pat1 ตุลา55 พร้อมเฉลย(2)

29
:j'- i. Yad todounflietfllflet5 (PAT 1) q61nil 55. I nfisr PAT 1 ma1nil 55 q 1. rirrauohi'u riluronnvrii'ufivrf uac'lri A, B uas c rflu#urryoaar u :iatqaiolildanoioo (PAT1 or.o.55) 1. A-(B uC):(A-B)u (A-C) 3. A-(B-C)=4n(B'nC') oOU ria rirrauo'lrip rar q rflu:Jfiflef :l:n^rofludalooiotldritu#ofiiuo{ (pAT1 q.n.s5) 1. (p=q)=(q=p), 3. [(pn-q)3-p]=(p=q) 1. nnRuaytnn g{ g. nfiousirnn { n. ,iru'luarrfnta":tggr ann rvirffu 7 u. A-grilulro'ir.l riatoeiot:JdqnoTau 1eRr1 0.o.55) 1. n {!n uas ? an g. nfiousisnn 4. ritauotrd I ryrl.ufiora+irururfiru lri' a ={xerll2x+:l<l; trng B={*. I ll*' -*-rl, r} fior:rxrfonerilsialild L tt t ) a I -, U ,J v{0'1Til11J 0n?''l il0 a L!1* n. ri'r p, q ttos r rilurJ:vlror.iToufi p = (q n r) frri'rorrruoitufluoi.o ua"'r r =[(p = q) ^ (- p = r11 fieirn'lT ruailriluo?t u €a I r J -a ?J. fl'llll.tot0nRilfl8JllYl1io0 {x e R I x' < 2x + 3} [eJ0 R n0LtoflA.:01U?1t01.] ud'r :x 1:' + 6 : 33-' I firirqrmaroir riluoS.s rialoei a't:Jdgnoioo 1eRr1 o.n.s5) 2. (A n B)-C=(A-C)n (B-C) 4. (AuB)-C=Av(B-C) 2. (-pv-q)=(p=q) 4. [(pnq)=-q]+(p=q) 2. n nn uoi:r fio q +. nfioravsfio 2. n nn uEil fio g +. n fi'q uns I ficr moil 1a oou 1Ja I oou ?a

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Page 1: Pat1 ตุลา55 พร้อมเฉลย(2)

:j'- i.Yadtodounflietfllflet5 (PAT 1) q61nil 55. I

nfisr PAT 1 ma1nil 55q

1. rirrauohi'u riluronnvrii'ufivrf uac'lri A, B uas c rflu#urryoaar u :iatqaiolildanoioo

(PAT1 or.o.55)

1. A-(B uC):(A-B)u (A-C)

3. A-(B-C)=4n(B'nC')

oOU ria

rirrauo'lrip rar q rflu:Jfiflef :l:n^rofludalooiotldritu#ofiiuo{ (pAT1 q.n.s5)

1. (p=q)=(q=p),3. [(pn-q)3-p]=(p=q)

1. nnRuaytnng{

g. nfiousirnn{

n. ,iru'luarrfnta":tggr ann rvirffu 7

u. A-grilulro'ir.l

riatoeiot:JdqnoTau 1eRr1 0.o.55)

1. n {!n uas ? an

g. nfiousisnn

4. ritauotrd I ryrl.ufiora+irururfiru lri' a ={xerll2x+:l<l;

trng B={*. I ll*' -*-rl, r} fior:rxrfonerilsialildL tt t )

a I -,

U ,Jv{0'1Til11J 0n?''l il0 a L!1*

n. ri'r p, q ttos r rilurJ:vlror.iToufi p = (q n r) frri'rorrruoitufluoi.o

ua"'r r =[(p = q) ^

(- p = r11 fieirn'lT ruailriluo?tu €a I r J -a?J. fl'llll.tot0nRilfl8JllYl1io0 {x e R

I x' < 2x + 3} [eJ0 R n0LtoflA.:01U?1t01.]

ud'r :x 1:' + 6 : 33-' I firirqrmaroir riluoS.s

rialoei a't:Jdgnoioo 1eRr1 o.n.s5)

2. (A n B)-C=(A-C)n (B-C)

4. (AuB)-C=Av(B-C)

2. (-pv-q)=(p=q)4. [(pnq)=-q]+(p=q)

2. n nn uoi:r fioq

+. nfioravsfio

2. n nn uEil fiog

+. n fi'q uns I ficr

moil 1a

oou 1Ja

Ioou ?a

Page 2: Pat1 ตุลา55 พร้อมเฉลย(2)

r'- . 2 {oaounfinnran{ (pAT 1) Earnilss.

s. d'r R rilurryorrirqaura{aailfl'rr (x-2)xz+2 q(x-212x+ro rfio x > 2

ru#r R rilu#u rsosar?ir{ludolosiolild (PAT1 sr.n.5s)

1. {2,3',) 2. (3.5,5) 3. (2.5,4) 4. (4,7)

oou ria

6. rirnuo'ld'R ttaurssrro,:*iru:uo?.: urnrilri'I rrflilrsnsa{,iru'rur6l ld'r rrns g rilufltfld'u

a1R R tllril n Tosii f(x + 5) = *' - *'+ Zx arui:.lt1n'iruruo?.: xq

uor g-'12*- 1) = x+ { ehuiurln'iruruo?.: x

fior:nnrioorrilsiotild

n. (f - gxo) < -169

fl. {x etl {s.rxx) + 5=o} rilulqfl'jrt

riotooiot:JdgnoYao 1eRr1 a.n.55)

1. R nn Lrn& 1 nn 2. n aR rroi:r fiosl|.u

s. nfiorsiran +. nfieruarrfioq

oou da

^ a- I7. fl1fi1.[o[14 r=j (x,y)eIxlt

'iru:uerur8nfl o.itssl Dr -1.2 2.4

8. fiar:a*rriaer:rilsialild

n. cosf+"or$*.orr=1

tt. ,*ff- t*+ = cosec*

eq , U,J Y{a LoCIa t!flonoa$ (PAT1 a.o.55)

1. n an o*r', un

g. nfioueirnn

,-2-cl ey= zx. -u I rfia t ururrnsot,iruruudru

x'+l J

R, rvirn-urioloeiahd (pAT1 o.n.ss)

3.5 4.7

2. n nn ursis fioq

+. nfiqunsrfio

oau l,a

Ioau 1Ja

Page 3: Pat1 ตุลา55 พร้อมเฉลย(2)

Yado[odouoolofnffetS (PAT 1) Ea"lnil 55. 3

e. riatoeiatJdqnoiao (PAT1 er.n.55)

1. cos75' : (2 - rE)cosl5"

2. cosl0' + sin40" = cos20"

e. fir R rflu,irurua3.:'loq uii': *31 - cos2A+cos4A' cotA cos2A-cos4A

+. ri'r R uar B tiluo"'ru?ua3{'[01 ttd'? sin2a+cos2B = 2sin(A-B)cos(A+B)

sou ?ia

10. rYi *.r..* = arcsinl- z,,,ccos-2 uii'r cot[4+arcr..*) rvirriurialosiot:JdJnJs(2)(PAT1 sr.fl.ss)

1_ _13 ^ 13 3._13 4. 13g .T 16 +'

16

oou tia

11. Ltnutanro{?tiriluthu:ra.:r#r.lsr:lfirdarJ:cfi'jlnqosl-olto{l.:nnil i * y'= 25 riurtnnnI, 2 r,s A a a

x- + y + 6y-7 = 0 Ltflsly{ftflooilflfl0.:x.:50Ei!ilLEfuqr{ x+2,13=0 fliln1T10':?.]T

m:rn-uriolosialild (PAT1 n.n.55)

t. i*4y2-}x=O 2. x2+4y"*24y+20=0

3.4x2 +y2+6y-7=A 4.4x2*y'-32x+48=0

eo! fa

12. ritauold'n urrursodlnauta{drJnr: 3(1+2x) *9(2-x):z++ ud'rtqfl R rflu#utrqrot

ri:rloEiatrJd (PAT1 sr.o.s5)

1. (-1,4) 2 (-2,0.5) 3. (0,5) 4. (-3,0)

oou ria

13. ritauot#n rilulelsr?ndfififiG :*: Lrou de(A)+o fiar:rurrian'lrrusiatild

n. (de(A)3 = de(adj(A)

s. d'r a2 = 2A uii': det(A) = 2

e q , U ,3 Idatooia L:Jilo.nooo (PAT1 q.n.55){1. nanLIEi?lan 2. nnnuei1fioqr{s

3. n fio uoi:r qn +. n fio uac I fio

6au ?ro

Page 4: Pat1 ตุลา55 พร้อมเฉลย(2)

, 4 doaounfinqran{ (PAT 1) Ealnilss.

14. ritauolri'P = 3x * +y rilufl,orifuno:.J:ratri-Ioufiasilnr:{odrn-q eird

2x+3y26

2x-y<10

0<y(x

fior:anrianrrueiotldn. p firirrurnqorvirriu zo

:r. firne (a, b) idfi1td'e frriroirqo uii'rqo (a, b) flaornd'0.:niraunr: x - y = 3

rialeoia'lrJdgndoo (PATI o.n.ss)

1. nqnras?Jnn 2. nqnueisfiog. nfiquoitqn +. nfiouncsfier

oau ria

1s. rirrauo'[r{ d,i rlflv t, rijurrntnofuu:yuru dt u*v-fr,=0, i'w=8 uae i'w=-2

rirrrntEraf w rirruru arcsinl n-uurntoof I unsl?ntqof * rirruru ,-*.rtr{ n-uq ---- Jl ' J,rrnrmaf't ud'rrirrot II12 +Iv12 rvirn-urialosiat:Jd (PAT1 er.fi.ss)

1.6 2.10 3.14 4.18

osu tio

16. ritauor'lrinec rilug:.Jarruru6uruto1 ri'r a, b [rns c rflunr1ilur']go.oqirufl:.:?iraJe1iJ A

rlil B raer{rJ c nrrua{roi:-r Ioufi --l-.#= r.}*. ua'r sioc rvirn-urialosiat:Jd

(PAT1 fl.n.55)

n J, 2. _!_ 3. Ji 4. 1t'22"'z

sto! 1io

17. riT rauold'2, ltau 22 rilu'l"rurur8tdaudooond'arn-uaernr: =' - g.+4 = 0

' t ' ,tr)f!.!'l rvirriudalosiat:Jd lenrr o.n.ss)n1?J0{ li ,, l' * rrr, ,rr, ,z )1.3 2.4 3.5 4.6

oau da

Page 5: Pat1 ตุลา55 พร้อมเฉลย(2)

lYad{oaounsrinnrcari (PAT 1) qatnil 55. 5

18. rirrauold' u, = rm(n,r-i)- *r* rhrair n=1,2,3,..

rLar bn = o.o, [2n,. - ]) ehrail n -- l, 2, 3, . .\ 3l

,.rn!?Rra{aun:ru fr .(t)'. [fr)' . . (#)'+... rvir#uriolosiat:Jd

(PAT1 et.n.55)

1.2 z.-? 2.2 4.-255

nou :ia

19. ritauotd't1x) = x'- 26x2 + r*-#rdo o riludruruoir d'r d1 , a2,a. tflu,iruruoi't

au,iru':u6utn-uuuuairo-r.,rr:Trnfio ttactfllurirqo]JlJo{flflJR.l: f(x) = 6 rr#rri'rto.: r1go,u,J

rvirnurialoda'L:Jfl (PAT1 o.n.55)

1. 211 2. 1A7 3. 101 4. 85

oou ria

20. ritauold't(x1 rflunrlurrudra-.:aot Iou;i (o) = 1 uos f(x + 1)= f(x- 1) + x + 1

shraf,i,irurua3.o x'lo 1 ui',r.t ] r1*y ax tvirn-uriatosi at:Jd (PAT1 ot.o.55)

-2

1. 3 2. 2 ^ 2 |3' i 4' ioou :ia

It+x-2x21 , e ,, , u21. rirra.: ri- [3------r rvirnu:l-olosio'L:Jd (pAT1 o.n.ss)

x+l+ {; +3 -21. -12 2. o 3. 12 +. rarrirhilei

oou fa

22. lunr:maqanrsr"roa{anilfarun-u nrurirasuilufirarironrsl.ronudtduuui'r a uasu#rontsirgsq{q

6nonra*durusi'ru o IoErfi 1 *l=* rvirri'rriatqrsia'l:Jd (PAr1 4.n.55){ab2

1.1 2.1 3. I 4. I" g 6 "' 18 " 12

oou ria

Page 6: Pat1 ตุลา55 พร้อมเฉลย(2)

9t^d6 {ofloilnoretfllfrer: (PAT l) Ea1nil55.

2g. ritauolrinru#rult'u:f'rfirfi,:rifu:vra'ir.:riaruafiritauol#giot:Ji$tflut#uo:.:q

, u ,l?\0'l:il11lan?1ila0 []J1*

n. rirarunr:ra{flx1sJfs.Jfiuf,rfitfl.orifu:!fl,j,1{?iaila 6o v= mx+ c rrii'r m + c Lyiln-ll2.6

:t. ti"t x = 15 ttti': y =26.4

rialodat:Jdqndao (PAT1 er.n.55)

1. n nn tt03 I aR 2. n nn uroi :r fio{.U'U

3. nfiotusirnn +. nfiouncsfiot

oou ria

24. ornnr:aautrrofiosraCIfto.:rinGuu#'otradt :J:rng'jrn;uuusouattinGuufinr:

ua n uo r:J n 6 un c dril uo du;nttti'r fuIA.r :l n fi :vwir.: o fi t z o-r qrr:r r oi ol:J d

z 0.5 1.0 1.5 2.O

xe1r.1l{Yl 0.192 0.341 0.433 o.477

,u,J?\la1TEU11J 0 0?1 il fl A L:J1{

s v a io o X ue e t , in. nlilnL:Ul,tnilfiU{ 1ilfiO.:UflA:J tOqlcLtUl*1AOUn?lO'l$'lUl[UilAHRA{tYl']fl0.1ff1l*tUU.:LllU

udX,-3.1'l OTg'l U LtaiX 01 eJ1 a:g'l Ut A { Os ttillAfl a U1 0'l un [T U 1.tO UUtml n U -2

r. #r n ; uuufl a uasl n fi o fi 1 fl o Sr o {#n 6s urio.: dfi rir eirs or urvir n-u 60 o c ruu un v frau d q e X v v e t a <r a -- - v ailnr:u1l[1114o{uflauleiflsuuuriosn'ir 54 flvr[1.[1* 60riiufouns 15.9rto.:fin6EJuo!ev,^{tuX,-?ia{il Lr6[i flxrilTsAm-iir a{n1:LrilTr.r1ar a{osttuuflaLutytlnu 0. 1

rialooiat:Jdqnoiao 1enr1 m.n.55)

1. n nn L[or fl nn{g

3. nfiouoiran{

2. n nn ruoi:r fioq

+. nfiounrqfiov

OAU ?JO

x 1 2 3 4 5

v 3 4 b 7 10

Page 7: Pat1 ตุลา55 พร้อมเฉลย(2)

tyad'[od0unoi9lfl1dst: (PAT 1) Ealnil 55. 7

25. 'h"'u6l,iru:u 0,1,2,3 n":luorr-r.i +*+ siotjd (ria.:ar t ,iruru;

r' i t u aoLO UI ttm At Ltn']A O.:3JO''11{?U[6'J O,

ugi nsn a-n d'or f irururdru o,

,U,Jv{alTil11 0 €r?'t rJ 0 a t:.lu

n. dha<crd'?b<dt. ri"r a *n ud'r c < O

€t. ci"'t b<dud'rc<d{, a+b=C+d

1,2 ua3 3

1, 2 lLfls 3

:iatooiat:Jdq:Jka"'qnoiao (PAT1 q.n.55)

asn - \: nnLY'IU.1 1 ?J0s

dun-{nnL?.lth:3flos

1.

3.

IAEDJ 1JA

nnl,r#e.nl-nrf'rra;1rf,n unr g rflu#rlsqta.] u

dt zoo/o ra.:aurfinturser A riJufimfrnlurqm e

2s% ta.rffxn8nturqo e uiluaurfinlursfl R

unr.iru':urrurfinso.:ugEr (A-B) u (B-A) rvirriu t t2 uit':dT u:uam6n:rotrtgr A u B

lvirriurvirto (PAT1 o.n.sb)

stou

27. td' R tflluttqriroouta{fliln1r l;i. *.[**ro*0./:**r =rn

ura;td' g tilutqor{rfl aura{ffiJfl1t zx2 - 5x * 11 * 2,,1 p a* * 5 = 25

i{ail?Rllo.rdlrfinvru.:fi eJq'[urser A u s uyirfiuryirto eATl o.€r.55)

28. rirsa.: r..'(2u,.t*] * *.*f) rvirn-urvirlq (PAT1 or.n.ss)

2. n -.: nnrfiEJ.s z lioql

4, n -.: anrnriagq

[-"ffi]rlrvuotri'u rilura26.

CIlu

gou

a b 2

3 0

c d 1

2 0 1 3

Page 8: Pat1 ตุลา55 พร้อมเฉลย(2)

9rA.!8 toflounorsrfllflslr (PAT l) Eo1nil55.

zg. t# e rilu'i'ruruo3.:1o1d'r a uns o uilurirrJ'rnqo?Jo\: .or4e-sina0 ltar 3sin0+4cos0

mudroi'u ud'r a * o rvirrirrvir'lo (PAT1 o.n.55)

oou

30. rirrauo'l#R ttvtuttflrlrflalta.]flaln1: *2loga1*2 +2x-I)+xlogr(x2+2x-l):2x-x2

uartd' B={r2 lxea} ,{au?nga\:6rur8nyr".:uruoturssr B ryirn-!,r1'r1, (ror, o.n.55)

oau

- A d t A t - X,31. d'rrrnnuufitfioogurinnr.:60 c1n, t1 oti:.lur#uor:.: x+ y +4 = 0 uava.:nalflr.iruQo" -. ,, ,

' a

' ^,

t

AGs, -2) Lrasoo B(-2, 5) uii'rdufigoq:Jarruuadur ABC rvirn-rrvir'lo lenrt o.fl.55)

32. vrr:rTuorg:Jradrfinoaaoaqjfi n1-a, 2) frunuaurl$:flu1rarlnil x uavIiln-a F a{rur#uor:r

I dtfieunr:rilu +x - 3y + 14 = o drl'nmIua'rd'qr-qn-:rr#l.{er:r r- fino B(a, b) Ioufi a " o

u#'lzuagruta{r?nLma{ Ar. FB rvirri'urvirlq (PAT1 a.o.55)

33. rirrauqld'n, B rai c rilurilsrindfifiG :": Ioufi aete +o dt4=[] ? ll[: -r o.]

rLnr det(BrCB-')=-o ud'r o.t(Qtec) uvirn-lrvir'lo (PAT1 el.fi.ss)

9-0u

34. thfAiU n = 1,2,g, ... fiff4Ufrt#an = 2 + 4 +6 + ... + 2n tldg bn = ?r + dz + ds* ... * on

rirro.: J3i[+ * o] * *.. .. #l ryirn-urvir'lo eArl a.n.ss)

3s. riruuqld'z rilu,iru':ur6tdaufiaoon6'orriusrunr: 2lz + 1l = lz + 4l

rirra.: 121 rvirn-urrirlo lrdo z rmu#{qn (conjugate) ro.: z) (PAT1 o.o.55)

oou

30. fireiro-uuo:rofiflrofid.ifrzun:r?n 1o nofrr:nryirn-u 20s u0rrl0:rrn6n to yrar[o-ol:Jq

rvirfi'r sos uai'rzuaurn 5s yrafu:nsotn'ro-::rnrnrflodryirriuryirto (pAT1 er.o.ss)

aou

tl

Page 9: Pat1 ตุลา55 พร้อมเฉลย(2)

rToaounfinsran{ (pAT t) qlarnil s5. 9'"

g7. ri'nauold'R rvr1.u{qsa+irurua3.: trdt:n J R uac g:R I n rilufi':ri'fi'uloafi

1. (fgxx) = 2x + s ahraiu4n'iluruait x

z. fitrifu f uff! g fior4n-urfr'r1no'uoiuihrirrln,iru:uo?t x

s. firf i'u t firira.oao#ln-r:f'rvirn-u 2 fi x = 1ql 9

4. s'(x) = z ihuiurln'ilruruo3.: x

q du a I ; @ v d t u r 0flrfifu g ilrirairqoaeJv,ryriryiln!tyi'r Lo (PAT1 o.n.55)

38. druuo'lu-p(x) rilun4urrufiaaood'a.:n-r P(x2 + 31= 3xo * 24x2 +40 [L6t rix;=ir6yor

limx-->2

tF(lr) - r(g rvirriurvirlo (PAT1 er.o.55)

39. rirrlimh+0

fl11I0'J

uold'e1xy uiiunuurru loufi e1o1 =

3hx + 2h

aou

1 uacsaonii'0.:n":J

=r rirrat P(12) rvirriurvirlo (PAT1 q.fl.55)

qau

oou

P(x + h + 2) + P(h + 2) - P(x + 2) - P(2)

CIllu

40. lri't-rilur#uo:tfihiruoo(0, 1) rua;ote.:arnn-:it#uo:.o x+2y=odufito.:u3t':rx

luoraoiud'(quadrant)frtd.:#aa.r:o:.tsi'rrunuxttn:![nuytfr'um:.:Luacu#uq:.i

x+ 2y = 6 rvirn-tifrqr:rtmilrtJ (PAT1 m.o.55)

oltu

41. ritauold'n = {1,2,3, ..., k} rfia t< riiudrururfituan

rraclfi B={(a,b)eAxAl0<b-a<7} ri'r?0.: r rvirn-rrvir'lofirir1ri',i"rurueilr8nra.:tqo B

mtivtlu (PAT1 sl.n.55)

oou

42. ld'x umu,iruruarrno'n abc uas y uvtu,fruauerilua-n coa Iosfi a, b, c e {1,2,3,...,g}

rar a, b, c urondrrniun'oru, fir s rilurror.o * ti.ru, IqEifr x - y firi, urnaor

ruii': zu aurns or ailr8nturso s ?f{r er o ryir n-u rvirlo (PAT1 er.n.55)

CIolJ

42. ri'rx,yrtn;ztilu,irurutdarlrnfimoond'0.:n-ux+y+ z=16, y*'=xtBt')uas3v=3(9')

urii'rruanam a.: xyz rrirri'r..r rvirto (PATI o.n.55)

Page 10: Pat1 ตุลา55 พร้อมเฉลย(2)

Yadtofloilniiletfllcrer: (PAT 1) qla1flil 55. 11

44. rin Guun 6i ilv dt fi r o eru d.: risi avnuril uam8nr o.rrilriletlnl: rtareJ:il fi wr utarru:n9

ouqri orirt#au 1 tlJilJ ttarvr:J'i1

fr a nu rilumrur8nsa.oser:ritrnr:

fr to ou riJuarur8nrarrr:rfiwr

fr to oru rfluarur8nra.:rer:ilousri

fi o eru uilusrur6nro.:rer:ilousr?runctilrsJfivn

ft s eru riluarrfrnro.:tru:ruitrnr:iunrtru:rufiwr

uarfr 3 ou tiiumrurBnta.:rr:ruit1n1:tLnEril:ruouo3

d'0,:nr:udanr'irr?lu 1 01* ra.:usiarrru:uloufirrsincnurlt"'a.:tflumrur8ntfiu"rteJ:ilrdurrvirrfu{o ^da u , a& , q

drururI.roano.tnfllzilyr,lfirJotyrln:JLvl't Lo (PAT1 o.n.55)

45.

aou

druuo A rnr B rilurnsrnr:nilo l luutruuilaar:-Jt rnsdrruold' P(E) uvrun']'rrilravrilu

tattuqnr:niE d'1 P(B) = 0.30, P(AnB)=0.06 unc P(AuB)-(Ane)=0.:sruri"lriruar P(A - B) rvirn-rrvirlo (PAT1 sr.o.55)

sE!-u 0.14

; ' v a rirn-r tgs d'rdoruarodfieireilsoru unrU1flAilfl 3A1U?UvlLtglnol':XJ1:lXJnUilrin5?ilt: ! I @

-,t^r,"vx,-#ru:J:sRvrGla.:fid'urvird'r o0 [LdE o.z orardroiu uit'ao':rruuil:il:euto.:riorunsofrrvirnu

rvirlo (PAT1 0.n.55)

CI_Et_lJ

0aa6uA47 . 'Lunr:aa::itrqrrflflaraofror{nl5suoo.:ri'a.: :-Jmng'jr eirtadutarotfiorrotflsrtuuflau

ryirn-:-r os orul*u rinu3uuli'0,:ur:nfr +o ou ri'a.:firorfirin6rJu go ou d'rnvul*ufla:Jra{u a e au t

^ { dt v a y ytv

unL:u1.rra\:u:nru#er:-l:vRmGra.:nr:uil:zuIuuvirn-:-r o.2u1?-r n riiuti.ntTuutiotu:naor'Lt;l"'

6s flrLr1r1.r 6ouilurimrrqr:orurvirn-:.r 1.5 nruuudorsorfnGsud'atfimo.ofirieuifiu.:r:ru

rurn:orurvirn-:.r 12 nvLruu uunvu'ru r rflurinGuuli'orfioa.:aartd'octtuudorilu rir4

e.rrm:qrutvirn-r -z rrii'a uru t mor'lsi'frflrLLu1* (PAT1 n.r].55)&

46.

oau

Page 11: Pat1 ตุลา55 พร้อมเฉลย(2)

lYad12 toflouootgtfl'rdgt: (PAT 1) 8a1nil55.

48. tunr:aauisr n fi osr aorSr a oin 6s u#uni s ru6n :*rflifi o fi nrtuon uo.: o-t dnsuldl,t o'ruru (ou1

5-910-14

15-1S

20 -24

40

50

30

20

50. a'1 a,b, ce{1,2,3,...,9} tta:aaend'arrYu lsf xa)+(7xb)+c=416

uf,'l a + b + c rvirn"uryir'lq (PATI q.n.55)

n'rnsuuurodurarnfimria.:nruuuarudrfiEJuluflJ t+9 rda k, a rn! o rflu'iru':ut6ruurn{b

lqgd u < b uoe u.i.il. fla{ a un; b lvirn-u 1 u#reima.r k + a + O rvirrirrvir'ler

(PAT1 fl.n.55)

ctou

49. rhrir n= 1,2,g, ... rirrauot# un=r**-{ rrar o" =t-+-#qtnthururdsJurn n drlrtf #ffi=rrr, (PAT1 0.n.55)

osu

qou

Page 12: Pat1 ตุลา55 พร้อมเฉลย(2)

rilau PAT t n.n. 5s n A

(A-B) U (A-C)

Ln-cl n Io-c)

n t B'n c')

{o L (-P't'(P

\\\

\

FTF/r-t/

T Y / 6,1 /\\ Y "4,t -t a,r:-;-?-'bu"fntlul 4lr,rlutr nt P= r, n=q;nrh; tl utl lii d uil r, rfi r

A - tBUC)

(ANB) _ C

IAUB).L

A -(Buct # (A-D) U [A-C)

rio I fin

(Aft s)-C = (fr-c) n (0-C)2.

A-(B-t)r'An(B'nc';"ris

(AUB)-C + A u to-t)Ya1J0 4

'.lfl

efin

+

dtrJ ioB nor-r

+

F

A - (B-c)

A u tB-t)

O fr^uioni filurl,,^qiufr ,,r,rro',Jrrrohruo frranr nl',e.,cit'lr,fro',trr q,n',1# U""-U",.* '.,

n""1' '1ur3*

rr ar nrqdo.r{ r ilr,*,rl\ru?lr.rfir iriudr raiol*,l,i ^al

6ul-or rjtrnlillv,nl ,',1,*,fi q riil ur nt mr *.illuq-:r

",,nol"o*,^.', cracr trA-1Aloir i r,?n do{nn 6r r,fir\ri fr rtin tr{n: i', dr,.^orid1oiln",ru"riu lfr,lui ,i*fi, irlu fila{u}''uotrl *nnrl iou sr or n:'o'ii { r fi Fl {o{et ti 6 r #o\ri fr

' t?

ds1 (P-q)-+(1-P)F_/ '\-\

TFAr '^\-FTTF. 't-cf J /

"iri{orr{r 4tr,,fixirfrr P -=F ,\=T

q rrrr\fr ,lnr^olrili fi urfl q

v ^x)

^ q)

Tt. I

tl -t ar)

(p--+n)

F

Page 13: Pat1 ตุลา55 พร้อมเฉลย(2)

$03 L(Pn^%) -+ - P 1 --+ (P-q, )

F ----TF

F- -, C-Bd-, "" i,,rtr*r/'fi,.-=-l=7

{s+ t(pnc1l - -,1,1 + (?-X)7-----\

TF

rinu6.r lri'ilrlnill ?tr,-umarfi{fi P=t ,%=Yt r nr'l fr rjr .

^ o,i Ii rilu lfi q

TTI

I

v j d, C ou ItoultltI dlulufli

Tti.kII

I

IE 1

1ts 2-

v"Uo-}

1ro +

.:- TTltlt) =- T

Vnn = F

(P+ cl,) - (1+ P ) !. i,rnld

TF(^pv-q,)-lpaau) i trnx

TF

t(pn-11 -+-Pl'-e \P'a q,) :tF

Lfpnl)+-q,l -+ (?*q,) :TF

, ,n JdIil'l)oil 6-101-l 3 *^4

fi,i,Jrrruqrl Yv//vz -+ lN rxAr01r1tf,ounr'rxniluflrf,Y"oi frrrlfr N:-r , W=frrloinr nirruqir.us,r]rrnririoz qrnnr:rlr Na r r,Lir lfiutntmrtrlaqtnila:H1r|uuu\r 11

-

tItJ unufu V/////A n 1

G dd " 1 v I I , dt dtiAnl it t nn nl6r4rlnl[u uI rr'r tllul* lrju [n c

LL6or{nio nrilfi rljuqilotiirfrua ( F + F

X=T, P=F nilrllu (Prq,l= F-+r; T

(- PV -%) = (-TV-F) = (FvTl = T

uhtr Ltpn-q,))^? J= ltrnr)-+r] = T*>F

(t+r=r):T)

t'lr,r,iluXrt*ir*Jr r

tJrlriuilrnixfi t

= r L ril.r*flrilludrl

tin{ LtpAX)-+^1i; L(-rnr)-+Tl: F+T: T tlu\uiludruir Al

n) 11n p, (XAr) - tprl) /t (P+r) i,'liuq't nd;1lii1 [P )\)= T , (P )Y)=r frrfl

rnrr*r4ou 6rcr A q,filr*q'i,16if,r,oifio nnoitfinnr3olfrl4 n riu t'r.lr*l'ur11nfil

Note: p+ (t^r I nri11s -+ rdrlfrtautratrounrJtttn$11 qlti q)1) A (P+r)

rrmfir (p^n)+r nt,.rurdtdrrrair,rilorru,o v uJiuHrilu n hrfi

A ulHuxliuV \'--) (p+r)YfP4r)

:d,fi",,irioudrroido f,',1#',lr,rqrjtfr'u.,^l*?.fiJun1lfro r ]'#,Jt,^q,ifidnrnntxflitt',]u,fl.4

lriui{r- TV m = f I -xvx zT d'oP

I I merkrraiudrill?rrn -Tv@ztT/X A = % I -Xnx = f II . i -T4@'-@F V m = Wh I X--x z *X i

rAW)z I lr-r-r=F i -XVX;T

urjnr^enra ( = I -t (- p -+ r) J 1A la = @

XeyE-XvI u ='wrv(-P+r) =-FV(Pv17= (-rV r) V P

= Tvl = O nluuR nn,frett

Page 14: Pat1 ตุลา55 พร้อมเฉลย(2)

1) l1n LL-- [xeK I x1-. Zltl] = [xeFl x'1-Lx-:l<o] = ixern l(x-:)m+r)-<o]- -, -f J 7 { r x 1-?tn?sfrlqniroxnlfin'inlt:rl-lrro: ]xIr'+ [= )3-x ] tilo x t w. { - r-< x-<3

q1n ox+b = 3i-'\d 3{=A

= {xetR [-t-<x<3]

, xe RI

i6i A+b: + --bIt

dt,-{

[1.X1J]1 1€ (.l fill]lL]

Y 110

''t "[ 6'l

t,t,fl

,lve'daillouotsu 1. x

fiqrtnn A : l1n lZx-t..tl<1

-1< Ix+'1 -<19-l .< 2-x < 1--l

-16 {ZX< L- g-<X-(1

tA A=t-r,-.l )-6,-s, ,0,1]

a- < 2n i:dtrlir rn <

ant < a' q:6rdir m 7

^ x'*2iiriaiu od:rnr: (x- z)" ' '

1) cr <I-2<"1 --+ 2<

l*ifrir rltz > zx+lo

xL-?-x-B >o

(x- +)u+2) )o16i ,,<-L u I>+ n

fi gr"fer nr fl6il1st o 6Nn1tflfr o

Iflfr (3,+) c (2.5,+)

An g = t -f,-I, -b,-s,-1 r-3,'LjA-0 = t-1,"0,1r2J / O

- l, Jd rilit0u010u 2-

x

+ h(AnB),y<

1r s X" sJfl

ldx

rtu

n" nn'!

2_< 5

-, 5>Z

n

n

ncrolio ?> 1

firrrfio o<a<1

zX+lO v <lX- 1- ) orotrlllt 0,[l

z)

5<35z). (*)

L3

lt\3

n r6B

L>1

dir

Z

x-qrI

x<3

l2 <X<3

--r x>3

xL+L< L/,+10*'- r-x - 5 <o[X- 4)r X+ t) < o

1vbn

l, e-)

-2<x<4 n X

11 <x<+1 "/

>3

3<X<3 " 13,4)

6rrj{0il n or 3

(-lto) - (-q)

-160 +1 = -1E1

f rn)= a

-Y'rftol 11nn1rt!n.,{ X= -5lu {rx+s) " x1-t'+zx

x

d*lrria riurnufllidu?urroi.(ir frr f -'( a, r = E r'l0iir

{1n g-'tzx-1)= x++ fJsiir $tx+rr)"2-X-1n) tf-grror = fro)-g(o)

= [t-s )3- t-s)"+ 2-(-5)] - [z(-+) -(-125 - 7E -10) - (-8-1)

11. - - 1r1 9 (o) ilnfh,rrnu X. - +

\-- q

l,u 3(x++)=Zx-1

-1/c., 110 n. ,J6-l

At+gA -L1 ,a ----+ tAt?)tA-3):0 --+ ff "3x=fi,1 .+ X"l

lx[:xt!'33-]l = t

Nq1:6r{r B

iiun [il1+

qrn ll'- x - r I

x'- x-1 z 1 u

x'-x-L 7a u()(-z)(x+1)70 U

d,rdr* {s l. nnolol

71

XL-x-1 < - 1

2-x -x <ox(x- 1) < o

3x7o lnreR

/ -111

Page 15: Pat1 ตุลา55 พร้อมเฉลย(2)

cU ) A0 t111 g'rr oror:rol dxnrt

t3"f ltxl + 5 = 0rg(t(x)l - -5

l,rnnitcrn gcx+r) = L\-1 titrrnu |=loi{r ftx: = | (ttn 39)=-sfiltna',it qrn f Ix+st " xl- x'+Lx #r,tnu1r, r '

[n21 T(x) = L tfio I. b

d:rlir gcftxrt- -s otrrlrinuq""i x:64a[oir txel l rg,frcxt+5 =o J / A

dtiJjrdo n, rrfi: fl, f;tu-r irBnuu + I

ulv- 2- 1;1,6-1 llL), Lr-L) -1 ,

IrA:. qrftx))" -5 )J

-

'1 ryX=1 t:[n fcb),1_1+z=

fr dil,i s{u nm l'r] uqil

,'. do rr" -2n

1O_-=-X'+ 1

-5

2L12x-s LX-+7-1A _ 2(Ii1)-10-:-=-

qin

{tn

)=

l-=

X"+ 1 Xt+ 1

lv=X,Y) e 1x I

-'1 ,d, .{\1 bn n fior[]B L -

Lt'- z I\

X'+1 J1o t-l

x'+ 1

X"+ 1

lfiuir x,Y e I

rfixir y

te ri"ilfio * € l

'ilwtnulu n1'reJi 1 1 0 ?rt dr il Xl+ 1 al oir

16i \'+1 = l)?-)s,10 ---+ \L=or1,4,9 ----' f,: o,t1,tZ. )13vrio xL+1: -'l ,-L,-5,-10 ----n x'=-zr-3,-1,-11 ---+ liflrirx'fru'r]uiruluflll

@

cir X=o '--) ) = z- 10 -- 2-- 1a - -YO+1

gir X=!1 ----. ): 2_-|0 = 2-5 = -3' 1+1

fli )(=12--+ ): 2__ 10 = L_?_ _- o, ++1

f,r X= jj--+ \ = Z- rc = t-1 . 1t 1+1

n.) cost *cos f + cosr = ;cosl +cc,slI = -1 -cos1 = l-(-1)= 35 -5 7 L -

L

tanP tan* - sinH sin9f,1b B cusry ;G_

firrnerir rcrsaal [rd: -,r <oos?.u lnuoernnrrrl/o{otur+ cas!. + co5 3tr * 9 lruuoub57

ti{lrlr'r Dr = 1o,1,-1, L,-L,t,^3}R. = {_q, _l .,o,x}

1; Dr-Br " \-t,L,-L,3)ilnxrTn a frtdrrJ riuderuu t-. x "

I

ve,'. 10 n, gJ6-l

,.o

sinacosts- CosAsinB = sln (a-B)fl.)

1bnr coso = six ({-e ) :inIIcot{-cosf

----* cos]{ cosf,

sr-\S = 1

'ilS sin {f,od "0, 3

{(

sin f; '" (H_ 3T\

zlsin ({ H)

cosl.I c sin ti-i51 -cos?! c ei6(i-?) *

cosuc {

o,in (i "#)

FJNda t,sin ID

dtrl{rio n fin rrd: 1,. 6ttn

Page 16: Pat1 ตุลา55 พร้อมเฉลย(2)

1)

9=

Tordl,.i

c05 15

c0:-1:"

cos 15"

(2-- G ) cCI515o

- sintto'- rE"t.cos 1so

_ tin 15' . tan 15'

oiolfrqr:n*l,lt !os'ts" = Z_fr raislr.cc,g 150

coeo. sin(lci- e)

r tane= Hco9 1E"

l::i:_;,'j.,)tancA-B),

,'_ g,3=

t tnR - tangt + tana trn B

E_ JT (3-Gl'- q-6J3+3t + tantE't anld

Coslcr'+ sin$" = oos2o"

oiosfieumii sin +ri = co,szd * costd +a1oIo

tr,or sin +r)' > O

------r 5thA =

---+ Cos B =

t + E s+il3

----+ cOS A =

-----+ >[nD =

1-3

t-)

.l)

+)

1; A=

Xrcsec x )

* s in LA -z{b)

i+lI

I

- -4 2- : --qdJ

8

=_

:_2t9z l3

- lc _ /13\tx\ 13! - V{)\8)= n12

d:r-liod oro.,1 x

ctnntrhlrrXuir rir ros {:floRrilouf rfio O *rrn?u ( 0< 6 < ttt"), qJri cc.rsto' > oostc, --+ Ccrslo'- custd < o

-, s in +o' r' c r,s Ld - fos 10'@ofld$ A = 0o cot d rarnilulo5 rilrlt*.ferdhir.turil hrralu A 1n1

dild A=B=3d- rin2-R+ LorLb = sin 6o'+ cos od = ! *i = ry- zsih(A -Bl crsrA+b) . ?-5in f f d-$l cos (irj+:rjt = Zsindcc,s6rj

a&*it :inzA + cosLh / zsin rA-B) cos tA + Dl &rrair n, B1ar1

drtl{o?r mou 1 x x+il2

4

.l trt

G

I

Jtr

E",1 5

ten tA- zB) =

rl+z

1A1 cot ([ +

. L_tantR_*r_ lann_tanB

r+tan+fins

rrcsin IJrr

?rccos IJ5

2rcsec X . trcs,n Jf - zor.ros

"o! = A - ?-B

Cosqd = osinqd . I

- tln Itn-s) - B I

y+,' 1ld "il, 0J6^l

Vo.'. $0 n. ,J6-l

r tor(j) . cr

,,'. do s fr16-l

= Z-fi.'- 1,o n" nn

,1

tanA= l

tanE "

= cosrqo"+(A-21)l \ I:l::'.l: :l;ffi;:;:lll:sin Lto+ (A-28)l tcosro" cos r n- zgl - sinro" Sin(A-lB)ninl;'c ) t

Ccrs (A -28)

tan rA-o) - bans

-

r + tan tA- b) tan g

1+q_ tg

q-11

,-qQ)

Page 17: Pat1 ตุลา55 พร้อมเฉลย(2)

@ ut16'roi","uolns'.r+l xt+ 1'= 25Y d t t -,

fo ,25i+ 6Y-'l = o ---+tr,

qfl fr 6-l::rair nat^ldo (+, - 3)

-vl= -2JaI

I

I

-fr +

-+,-3)(u,-,

(4)- 3

t-d- -z

a\l' Inu urf,unu?trhj rrn u'louosn 6untrilsY +6Y -Y = 02t'L

--f )(-' t6-) = 15-(-31-= 1b ----+ X= 1f

-3)

LiIA: T +

v - _al-

1t61". ( - *,

rrnlniilridoqtruunuion qJfr F Ix,-:1 .L[01 f oi3r.ru

rXuorl I+2Is=o --+x= -zJZ \6i F<-z|r,-a)qrnn:rr{ lsi c = Lfi , 3 = {, ---+ b'" :'- t2 = 15- 17= 4

lc.rrlutjnal (0, - 3 t --* film:tfr fro r- *-Jd -Zr{ oa X

=1

16i x'* tY+s1'1u+

?' b'= I --+ Xt+ +yt* z+y + zcr = 6

d rrJiofl orol L x,l

"LUI

E1n

38r = A(l+2x)3t

o ,2xJJ'1-

3.3" +

: 3A + 6l

qLi--x ) = z4T

3(+- zx) - L++

8t = L4+3'*

= 2?-+

?-A! v {Y

ril6txl1l tfrl1/

u1r fl4061 l,fi

3A2+ Bl = L't-* A

oAL- zz+A *il = o

()A - 1)(A - Et) = o -r A =

1; r'^.3-',3u + x,d,

l\^u11 t-;,2.} c (-t,+)

tL n) = Lt de+tA) =

,<

10 1. o,lfli

) rnrUu n'rnrncf

-q - 6

n 0 I cTuor ta mr n'f

y<1rs n. iJfl

mih

max

nqna1

rr,o1 I- ) f 3 10 1. hrl

irft1,6

I

=)JI-1

10

tl

)L

I 11nn

dtrl tt ou ora uI

A

1 x

,flor"\ifdsrifi r io no tdj A = det r*l R-' irfl: dettrnl= chdettnt

n,) qln adjn= dst(A)A-l

take dtl rl,rolirqloi de,ttadinr = deiIdeltnrn-']

dctrftlrtrn.,nrfi - = tde,ttnll?clettn-'l,_-__-i

,et CI

il,dt

= (det rRr)'

c

n

lJ, ) q1n A'=

teke dettl.rr delorlfi

lxn: dettrr# o + tor dei R

det

8

dr,lioil r',ru + x

t\rt/c$ailn1r10qlnfln0

'fl 1 q {'r 3r xJ fl 0 { il={ bx ru 1 n u n', r rr e el o{ or r ""v i t-l r'k uel a I

noruro"toi Atf , 9rr,'b(tct,to),$x+11 >rb ---+

Y

LX'l1to --1' Y

0()-.X -t X,)

>t -LxJ

>,' Lx' 10

>tA [r^? 1<X

i6'lNnfrl nllus P: 3k + SY

AtL 6r\1 '3 / I = a(!)++(9,)' r

B (10, 10 ) P 3(lo)+ +(lo) .'10

(5) o) P.3(S)++(o).15D (3,0) ?.9(z't#4(o)-9

y( ... r,rnr'lfinril'

\ >t ... trlut{un:}ld,. t€!

vnTil1 P alrnAnno

16rA ( 9r,9) dflfr

, lt "

JdlU11"uo1.[ fito1] 'L

I

10 'u0

F il nr drrAfiI

*

(Y+31

r deI tnr

Page 18: Pat1 ตุลา55 พร้อมเฉลย(2)

Al]n U +V - Y\ ,0\v.raj[r'r u+v = w

! ! . '1 'dot il nr {ot'irlrrotAHnii n"-[rtJJ

u.h,l + \' \^,1 = v\ -hl

,JJIJ

ilTlhnl ur,'H = 8 , V' Y'',1 "A?-g+t-Z) " lNt

JZlhl-= 6 ---+ lN.l

el J4 d r , J

tl fixilei'uor Iin1fi0511n1 I-)JJJJq';!114m1 X-y= lXll)l

dril{oioror + x

* Noto : Al'csin)t =

0Fccos X e

gin ( 0rcsin

cos(1I- 0)

q rnfi 1qn+r ir',rrr* nll;r q ?1 fr i 1

il m = til,rrilrcc,i(aresin*)8 = rd,rtfi)eos(Arccosg )

J ,-. J5g = ril.rtJT,(E) rdr=sQ ver y {l

IrA:n [fi An0un0JJI:

V. n = lvltNt crrs (lr -arcaiht )js. tittGl (- cos tarcctis-r ))

G= tY l(iu.r(- * ) -__f li I = jzr 13 /

--rLJritil. t-+ ti l' = *'+ [.lL lt = 1ts

8- LI

2-Z ll,fl:

=l;Tt1}.lil nU

1

CC'S Q

€ otrlr

JJ

T\'W =

v

J2lhl

_L

-L

,Jcll 1.{}+

tFcsinJI-x't lc cos

X):X ) cos

: -c059 )

( -l-<xs l)(-l-<x< r)

( arccos X) 3

sin [n-6) .x (-l<x<t,sine

@ qrn 11_+ _A+c b+c

btc + a+c

d+b+c1

1t

-+-=3*c b+c

=31* ?.r1

11nn{no31n\+ifr jr c'= ?',+ b'- zeb cosc

rur O-O', a- -tb*zabcosdabtt - 2cosd, ) = o

*.dr,i,u, etn a, b filufr',r-rtsl frruly*ar? t + o

{Jfr 1 -2cos d +-g ----' cos d = 1

nL6trl ioil nsu 3 ..{r

R,rnt ir rtndrnrr

qJd ''*A1+1 1+1

(a+c)tb+c) t+b+ C

Ltt+btc) + cl ta+b+t) = 3(i+c.)(b+c).z(E+b+c)'+ c (atb+c) - 3(ab+ ac+ bctcz)

?'+ bo+cr + zab+ 2ac+ zbc + ac+ bcr cz = 3tbt sic t 3bc + acz

a'+b'+zcz+ zab+ \*\c =3cx+ oab*\,+a\cct = lt+bt- ab -o

I (a+b+cte= a'+b'+ct+ z(eb+bc+ac)

slnC= sinod

fitnol[rn16 0=b= C = I

+ 1=1 dlnr:rilut'rt

-o

[[1t1,50 l-t

c=

8+b+c+ 1+l= Iz'z 3

.EL

60

,iura:rluneruil A rgc itl" a frruunr lunru\unnilr.r = 6d{'111

oilrrlu sinA = sihB : sind = sin6d = gzX,

| - xa

Page 19: Pat1 ตุลา55 พร้อมเฉลย(2)

32- +U)(+J.lq1n 7-gZ+$= 0 ,--+ Z

lfr lzn r" = lzrl'= (1r)'* (

i; rz,l'+ r2,r' = 4*4trn nrrlifrir 6untt o t('* bx *

q1n z'-szt4.o lrizuo

oiluur 1*1 - 7t+zz =21 z, zrz t

lsi (lz,lL+ tz,t, \i. L

3n= sin(nn-I.)-cosnr

Notc: Cos(2,nt-O)=

bn= Lco5(znr-{) =

'ir bn= r drraiunn n=

gtfii2

la+btl.la-bil. JEu-"

- ! tun flrB ntaror = !a a'- a

-!]= 3 , naqorntfl0ll = zlLz =1

3t _ 3t J_Y

2( l)

= 9*r - +++

O t{nUanntOrOU "

'lr1ou -- 7.+ 7, =

(n1i1 = L

o

z

)J;1

Z

I

11n

1- 2r=

{l- l, d !z

drillou6'10u 3 x

I z , I o fi rr otuu', siu li'rr n?urr fir}; 6o',r', i(ruiru ullu

t olrnnhJfirLb I ) {,16i l,, = * ( oirnourarirrarl r )

drr]{ofl ror'1

Sirulu fr =r,L,r,...

= t(1)=g , r'r =r'2''

r.,ro darjlo i r

1.r$ - z2

- <J.Sr 4uunn0 I- 3,

+x

- c05n1[ = - ZC05nT ;h= l)2,.

" (:l-

tril

n

) = (i)z3)" (:).

=)

YvIn

bxru

!J6i

titolrtn 2r )

r""loo ?u= 3F

tl61 1,1,r

r r,^tJ; a, = a

er rilu nrflguflordarnrt f rx I = o X-A x-lr)

r1l" ui rrjr'" n oil zuu r { tx l .q rloi Irrr = (I- + )(t-r)(x- ar)

1A { rx r = x}- z6,,t'+ bx - zru = (x - +)(x- a)tx- ?r)

x'- zsx'+bx -ztt = (x'- r, - + n 1'l(I-art

xt^ t-txr+b x - zrg = x3- lx'- ll'* & - arx'+ x'rx

X3- zbx'* bx -21r, = xu- ( ^ * gr+ tr ) xz+ ( 1j* arr +

fi uufiu.J,tfini {''rna:mr r 11fr

-t

-a

x> 7b . I + ! + efr 6+ |+ 6r

a(i+r)= lj' --+ F=3

3

,.. xL"L, b = 3+.a'k+ a'

Y

> z1L = a3 + X= 6

2_6 =

LUz

l*rr

- L1L

10'7

L63

=Cl

:5

a+{x

a') x

l1)(13) ,

+ b2t3) +

6 (j*r* r)

'(:) = (

16i f tx) =

t'1fi =

t't1) =

dtrl{oE *o,r

x3- ztxt+ lgrrx

axl- szx r 156

3- EL+ 156 --

L*

= (sin nnrf- cosnrs

)=+1

=$Q=

uln n

3+

t-

/ 3nt.-

\ bn

*(Z\3

23

-jf = t:f-z(-r)i -,rt'3 I - [3/

33L/ -2CosZT \ i( u )= \

/-Zcoslnf- t\s/\

lr =

b,L

/ 3r\(u.i =

3

r_fu] =l br/

- 2 CCrS lI _ -21-1)

cos g

EcosI3

1,L,3, ..

1-L-3

t

15b

Page 20: Pat1 ตุลา55 พร้อมเฉลย(2)

^el,-((9 Lqnilrirrar+n\'fi {cn,"riunru,orirfir6ol 1orrfi

fiilfr {txl = axt+ bx + c rror {tor = 1 ---r

q1n {tx+t)= ftx-r)+xt1

fco:=1

1'- 0ttl)+ btol+c ---+ c-- 1

Id a(xt1)zt btx+ll+\ - a(x-1)'+btx-r)"t\tx+trItxtri- tx-rit + bitxtl) -LX-1)] ' x+1

2txztzx+1 - xt+zx -1) + btxtl^xt1) ' X+1

4tX+ I-b = x+1 ----+ ,fiorXr,ril,7n-i4lrrlnsrtr'tdi s?=1r zb'-t

i; J'{rnd* " J' (lr'* 1x+t) dx = [frr'* *xix]', = (*rtt*+r)-(t;-L-z+L

6rrJ{odo'rsil 1X

li rn lr+ x- zx'\ =xrrt J-Xtt - 2

ne+cJ-xtg+L) -:-r = lirn ()t-1)(2x+{)(ll+3+2).l{ur{urrarharr xrl+ (Jxt}-zltJ-xt:+z)

loi htEl= o ----+ PcEt, nrEl

lln., lt-xl I t+zxl

--+ l=1,+

+1-z).i*

.lt-xl .I-1 faoxz.l. ll+zxl s t*2X ,da X rr -Llir l(1-xlt1+zxll

=r_i1t I-x* _ Z

nt5 )

x,1+ Jl* - z

3a = 15fi+5C -O10'1 = E\nn+ 15C -O10 = *51"fl + 15c -O

-+ C= 01

b=lL

frz=3

, ,t J6tr.lrrou eiotr 3X

lrun',r1'l0flantfrtdosnnh,ioaifiu flcs) = 6x6 = 3r

frrrr,fr:..dssrrfix{snniorril l*} = I 1frit E = lt+,+ ),(ttL),tb,a)ieb z

x+1t (x +3 - + )

dxnuritlrl ) = rflxtL

dzunit,\nfi Z)= mZx+ nc

ZxY = m 7x'+ cZx

[l'n%nl h,5r 1,t\= 15, 2y = 3o, ZX2=55, Zr) = 1o1

lirn (2X+tttfx+l +Z) " (ltt)+1)(It+l +z) " ())(tf ) = 17X-rtt

dtd{oanot + *

(""1*l=1*1-l+1 =lr'' r'4-7-1-1''7-L'3llb lL

['5

Z

b 6-)

rir $ xl

*t @ -O : 1o.l -10 -- ssrq - +5m

1'1 = 1otflrn = 1.'J

ttnunl fl-l " 1,f \m 0 '. bo = L5'5 + 5c --+ 9L= *'5

loinalnradilrJdo y = 1,'lX.+ o.qdtIuual ffl+[= 1,]*0.9 = L.b ,',"]o nqn

frt x" 15' Y' 1,'1(15)+ 0'n : ?'5'5t0'q'1-b'+,Y Y ,

eirru,rnnfi{ n ![611 1, fitr1doBorgu 1 X,

1J0 fl nn'v

X Y X2 xY

I 3 1 3

L + + g

1 6 q tg

+ '7 11, Lc6

5 10 L9 5O

15 3o 55 101

Page 21: Pat1 ตุลา55 พร้อมเฉลย(2)

n ) fxrfrlilrinfrrr?rnurlfrorurr*u,'r.lu x qtniuonir x ilosnir M, sadounrtot s

drnr:nfiauLiir Mo- X=r !r v dr

ncr rtrj ir n r ulu n1? rrqn rr,qr dnB

--z 11 =-2 =l.Slarat nn-'t

z5

x-r)

Mo= X

.'" ?o nI- )( = 25

A=0.5-o.15161, )

= O.341

fitR=0,3a1 ,Z=1

rr* s6 < bo c:Jfrir

-1 = 54- 60

s5- G

IJn'r: trd:el1*

s

xb = o,1

bo

f,d 6

a ..,')0 lJ nnI6o5+

etYiul{?110 n. llfl" 1, frrd{oioror I x

fi,lfiu,a, I

nnflgi

@-J,ulxlllu[8.io, 3 tra'.2,

-l'1 , :i *0'tr:tln [fl fl ouu no

dt,t

|1ru 2 ',l

01 I { S1 ',l tnnuX

Ia!,d0 uto s tnlhu

dtadrnlo d q!flotrilurA"t}

r .lad=3 + nrorh I

d=o -lnrdfiz

o, b, c

')

frr 3=3 * b"C =O

frr l=o + [=6=J

cl 6l1]nn:$n z

st_41n ntr).tT\ 1

-ri{1n n[6]bn 1

r'.r4qlnnl 2 nr6I+

?<d rrhr

a > b ulf;r

b < d. rtlra+t = c+d

,' t0 n.

.'" 1J0 'lt,v

.'" 'uo n,

v.".lJ0 $.

d,bu)+? 1

[1' ]+? 1

lli 1.r? 1

d,iuu?'t

",x

br d

c< d

c<d

0.J0^t

nn

nn

nn

vn1

n1

n1

drrl{oflmor1

x b 7

I 3 z U

C d 1

Z a 1 J

,i I b L

1 3 2 o

c L d 1

2 o 1 J

Jt6 1 b L

1 L o

c Z 4 1

2 0 1 J

Page 22: Pat1 ตุลา55 พร้อมเฉลย(2)

1i^ n(AnB) = x, t-o"l ltos n frs X -> loo1 1Jo3A fis 5x -?> 2s'/. 1J03 a 6o x I 1oo7" rrol g ''no +x -

11n n((A-B)U(0-A)) = 112-

Intnl- nrAnBl] + [ n(B) - n(AnB)]( 5x - X) + [ +x - x ) :- 112

YIX = 112- --t X = lt

p11n1 = EX

h(D)= 4x

= 117

6lt}{l+ hthU0). ntA) + n(6) -n(Anb) = 5X+tX- X = 8X = $(1b) = 1ZE *

oiorinsuit i n+s4zlAs ="r l ln*G

A . Jtu+1)+ (1) +z.lt3xi1)tt) + Jrnx+1)+(e)+zJtlx+zltq) = 1q

JTI = 1t({r;*JJ)*(Jrx+r+zGxtr : 1+-3-'-1 ='lo

5 3X+1=25 X=E A"

lr;1,"'i,

I x"{*s 1; A' =

Iz)t'-6x+10) +1+LL-AL+zh -L+ = O

(A+A)(A-3) =O

z = lx'-3x* 5

I = xt-3x+5 +

)1gx+s ---r 'l-A', zxl-(,

{g}

x r10

+ \" Qr-1

-rJ

I

31

'l

+b

* tan (Xr)) =

r - tanxtany

anLrzR+0)

tan zn + tan tanzA =

z tanR =

1 - tan'a

z(j )-(

,

.l-tanzAtan3* { 12+Yl1- (i)t+),}

12(f,xfl)=2

a

=_+

1+

1

1+

t+ x

Jaz'tr

A.

1"bfri A=

i'- llrr 4 'ct

rirriu AuE . { s,4, - 1 J arnurn6alr?nr"r]u u X

1* trclan l = ,1 -) tanA '1,; *ctan{=o - tans--

rioliir rec'o= 1+tan'o

1rrnl = secz(zA+ts) = 1

1

Jr-rx,r = Ls

nin^1L.(t-r-) A= 3

l- (rr)'

Page 23: Pat1 ตุลา55 พร้อมเฉลย(2)

nrruialilr+{oildo

{7[6-] CD

[o hB

! ng.co

trA ;

nA-

C,os'0

q6^r C th, kl oqrrulfruerm y =

*rJ6 c(h,-h-+)

Bstno+40050 ' -l?++'< 3sip10++cosb -<fi3+4;

- 5 s ssino + Aooso \< 5

-a<asinSl <a tta: -b*bco:S<b

= (oor'o 1 si nz o ) ( cos'o - sirlo I

= (lttcosZo)

. CoS Zb -+ - 1 < C0Sl0 -< 1 rirlrnfin b = 1

Rr sJlndot1

xe+b. t

x' [ogr, txizx - tt + x logr-, (x'-t zx - 1 )

)x'\ogr(xiz)-i) - x log, (x'+ zx-t),,u',

6'urrm,1l,*l-rl lfi slr* r.l,,frrt 0i,1, ui,?i,,il u

Lx -x'zzx-x

'1 vL o-r

l4xo

log,tx'+r-x-1)(ir'-r) r z(lx'- x)

(ir'-x)tlo9r(x1+Lx-1) + z) = s

1,*- zr t[o1rt]'+r.x-,r) + 1o9.4) = o

(})t, - L) (log, 4tx1zr-u) : e

-x-4

AC=lvln

:0

A(X', Y, ) -t AB:\. Btxr ry.l

Sotr)

C {-r,l )

B(-Z,s)

urArnr: tkurrr il u'.tr*1ri A ( -s,- z) tr'\" B t-t,s)

nsrrarnloidaLnrt 'lX -3Y + 21 . O

(-s -h)'+ (-z+hr+)' = j t-r-hl"+ [r+h++7'tr+hr'* th\.zr' = (N D'+ (h+t)'\'+roh+zs = \'+1$h+rrrh : - g6 -+ h' -t ) k= -t-.])-t =3

loirn c r -r,l)

Sol z ) \il def 1.on',,virfiri61frrArrrur

ldtur,zuninir axs firu?otn . ri.lld 1

t,srar dei ",ir., ,,irrr..,* z l:1frflufi n

rln: bc = r inuh Rr " 6-c

-5 -L 1

,',.(e't' * d.= lAa+Bb+cln)'-' J;ffi.Bt-z,s) 'Ax+BY*Cco

A(-5)-2-) - I rt-r) - 3(3) +21 | 21

-

i+1+ q J-st

1

1z

-1a

-z s rl -'lit,^o-r3u. J t-21s7'*l5lJl'. j,'tr',(ffi)=

= J;r-2s+1+ - L +35 ttS -+ I

L1) - 1a.5 X2\:z

x'* Y' \<

-:in+B

z---r rrnr*nrh;s lo3 tfr llt-r)* =X , ucrrair lo3 , o"

Iogr 4(x1rx-1) = O

4(XL+ t-x-1) = 1

4XL+ fX- 5 = g(LX - 1 )(Zx r 5) , 6

X = I . -!LzA - [ o I -t]" t ', Zi Z )

B = t r', (rrl', (-9.)' J = I n,:r,T\rntlnfiufin'lu B = 4+? = to.sx

(I,.Il ) t

-h-+l

A(-5,-1)

}t,n. AA0r . 1+, 5

w,n. A h0c =

Page 24: Pat1 ตุลา55 พร้อมเฉลย(2)

Y'z

x

e!76untens (y-zl =

ilnunt | = 3l:l-1+

()-2)z'+(!J:11 *''1\4tL

)'-+Y++ - 3Y-1++1L')-

) -'1)+t = O

(Y-1)()-b) = 0

Y = 1,6

iEo Icl n r y dolntu 4rut.qfrlfl61[6] n ororr\rr tr r 0 1 -+n1 y [rJnnurarnr x lufialnuhlilhuAr vrJs

v. ctl'v 'lY, - . ,

fi atnrlduorrln [fl 1i[1in] X nlntnvl

4 tX +3 ) llnilhtilccrolnrilAe.rnu 4x-3Y +,14 = o --+ y = 3) - t4

nr'luf,amrrrrrluarbfiourqfloinr +

nt ",ri,u^ -,i I t nufiurr mI 1 %11.b I rnu X q *fr rfl r',[u a "', olrffio.t

'.r1n1flfl061 A (- 3, z I qfl f cior\UUlUr r-oruari*rit qat n

l; F(x,z) lrm F otruuitxortr 4lt-3y+14=0

iinunt 4X- 3(t)+1T=o

4X. -B -------, l. -L ----+ F(-2,2)

6arnr:nurlualfi0 ty - hl'= 4c (x * b) I xrrror:rnr

Irnuritqnuofri A(-l,z) ---+ h. -1, k=2

rr'truro^rt C = r:tr:urt{flh0olfi!q6-lI = -L-(-3tr= 1

rilo )=1 |= -rn qneinfis,-1,,,

,fio )=6*x= 1 roolarHo (1,6)

qrnknduonilq6rrio D(a,b) 1., a>o

lrite'' Dfro B(1)6)

ror*Blni A(*3,2) F[-2,t) nf,r 8t1,6)

A'F = l-?-(-3)l = l1l * Lorfr,iorla''ooufruL 2_- z ) - LolJFil= [ ::';"] = ti]

r[fr -lAF

J

FB= l;] lil = (1)(i)r(o)(+)-- 3

@ r1n is1tatcan)= 4 )uunderlddr\*r clet ro d.\ts-') ='r tl'

il det tBt) =

det cD'r)=

detr glI

EGrdet tcl = +

u1 dettn; = o+6+o +1-t = 2o

1^j ds{tctRn = dslcclde,ttRldeltcl= (t)(20)(4)= 3zo*

Z'n11n ah

lui bn

\; lirn

=L+4+6+.. +Zn

= f?n = Z tnttnlt, e h+1 -rl:+-+ 4-l=Lb, br " bnJ

2(,1 +L+3+.- {h) = 2[lInr:tl = n'+nLz) i Zn= n(h+l)i=i Z

=

osfl

=

= Zn'r Zn

lim(itlt6ao6 \ i=r bn'

ti",.(i ' ).-^ \ i-r h tn+L) /

lirn l./'3 * 3

n_d I\ 1-3 2-+

h1fr*l)(zpa11 , n(nrt)q --

z=tim (i f:r- thJoo \ ,=r 1!flll!l! /

_ nin+1 )tn+z)2,

!+ -+3.5

g

+ 3-rlnrn+zt i J

613'

tI

n(n+ 2 )

_1)n+t/

,1(1- ,\ n

f,*1,

*

B(a,b)

= i Ig l(i-u.(1 -x)-' (\-\).'\,)\"(il!.#I*(-X*#)]a r,

-a 2 nJil_1

n+1_ 1l

n+zJ

1 = 2-.2-5+

= itl o-o)

Page 25: Pat1 ตุลา55 พร้อมเฉลย(2)

'4',t+rur1r46%,q:Afrrurh*ns,i\wftiuog , heu fruAr"f:r :

u'1, "i'1":,":ntn ( 1rn )

1nuinuftlfiu,urfi e [< nr",Aruiunrnrnfio rilufiouriu t t"darr]l"3r-'']ufir i )

!)A-l1 'r lz t lz,iofiunit"uurnlor z rrrz,tlfirtn I , R.l'- '{]rf 6i1h; z = E+bi

etllqnic'lfr zIa+bi +r\= Ia+br++lz l(a+tl+bi I = lta++l+!il

t-Rcr lm LBe-r lnr

2 .lTa* 1)'* b' = i cJ+ +F-i- ') ,nirxs dor

+(ta+t)2+ b') = (3++l'+bt {fi

4(il+21+r)+4b24?2+&+ o + 4b'

a a'+ sbz = 1z

22+ bl . 4

t,

uAilln to xl*rrln = S,o = LO\

i-20! t- 305 ------r#

i.r^il?n rc urid"Ll

q",[fil+t 1 fi4il?n 20

xt+ vl+ lt + b'atr fu+ 16 + b'

e-bi

m(+)'Ia\ b, ununr

G = Lx

tlnb 6-\

1fl1ifirf,o

2=r?l=

:

ar

q1n Sn =

1ri Sr, =

1,, 0,, aro

-Q tza,+(n-1)A)

frza.uqd) =20,

2n,+eJ, = 41 -Otqd- qd . Y1-41 ----+

J!tta,+s$d) = Xil++

5zo = T (zalrtqJ)= tto

23, + 19d = 'rl -@----+ d=g t'T'r+ntd'rarA ol0r= 1+

f rr+ 4 tbt-) = 55(BB) = 4t4o x

qrn @ tlTt% x. 1

1; g'rn , z+ c1 .2-1C

t'1,fl

tod = 3o

5+(3)) :

-* C = -1

@-o,lii Sss =

q1n f fin,,d,-,6nflutiniilnrfiuzfix=t dilfildli1 ftu=z u^: fltl=oq1n (f.gttxl = Zx +3 ---+ ftxl'9tx) - 9-X+3 - O

6?.1 frxrgixl* f'tr)g(x) . L -oi1n 1" tx) . 2- ------+ g'tx I = 2x + C -@trrnun"l f rtt,L,+'(1)=o 1u O

fttt g'ut r l'r1) g(1 ) = L

(2)9'(1) + g$tl = | ----+ }'rt)= 1

1ri 9'tx)- L/,-1 ------' g(x) = x2-x+D -oqrn O l,[Tlt,l X=1 f,ltgcrl. t-+3

2g(1) = 53(1) - 2.5

lrnunrt 9(1)=S'lu O : 3c1) " \-\+D =L'5 '-'-' D'1'srl"L\oi Jtxl= x--x+2.5

= (x - L)'- i+t.s= (x _ o,s )" + 2.zS

=Bgs i

l dahl*l,tlnnn0 5ro', 205+505 ='l1o

.5I tn n r trl nr r rh a r e cr or r{ or o it fi so aon 10. s, z.zo)

,'t1J')

oi,'ilr, nrr1116cr1a,rin6fro ?- Ls N

Page 26: Pat1 ตุลา55 พร้อมเฉลย(2)

(stz+rt-srdt = [t'+st'

't"Lu

t1n

t;

111

Irt1

[cxt+ a )

P (t r

P ( t)I crl

y' !e

Ctotx utnai otnl"'1

= ['F.rtrd.t = r*'o c)

,t, x1s X'= t-3= 3 (r')'+ z+(xz) + +D

= 3(t-a)'+ z+(t-3)+40 = 3t'- lgttzr+ l+t*'12++o

= 3t'+ tt - s

l,rn Jprr) Jrt ) = J r,r,lJiux)L

- tt]', = x3+:Xt-sX

= J (tr+1?.-5)- (r. +1L-1;t) = = J? = J*,

f 'crl = li,h+o

ahx+ zh

Ptx+h+z) + Prh+z) - f(x+zt -?ctlht,?x+zl

P t h+x+zl - Prx+z) + Pch+zr - Ptzl

li, tJX+L)h-ro

X+z) - Pcx+z) Prh+rr -?rtt+ lirnh+ tr

lor h sjroa,r',ra-,edr.A'rr

Itirn,,,',u limh-ao

Itr*ht - frxr

{rn li mh+ cr

limh-+ o

)lirn Bxrz)h-ro

= 3X+2I,Jtlhil:lallr n

'hlrrnr+11r

=1

Ltn%

41n

1aIla

1,tcl

a1n

lAt

=tP'rx+z) + P'tzl

x " 0 t" @ '. P'(L) + ?rt2-t = 3(t])+L ---+

O trrilF'(D,1 '" ?'(X+L)+1 = 3X+Z ----+

A = I+z 1 \, A-L ". ?' [A) = 3(A-z)+ 1 =

PtAt = J P',nldn = I(3A-s)dA = 2gL-

Prol =l : Piol ,2r*ct)L=E(ol+C =1

Prtzt = 2(1L)L* j(1r-)+1 = it1+$) - 60+1.LL

h

P'(x+z) r- P'[t ) " 3x+z

-!x+z

Lr, 7=2Xt1

-oLP'r.Lt = L ----+ P,(L) =

P'cx+t) .3X11

3A-5

sR+C

----+ C = 1

= 216 -5q = 1By *

L1

Lr

'" X+ZY=U fn4

: Y = firX+Cufl; r riu L1

16i rYl, ff, = - 1

(-l)r, = -,fn' = L

{: --L

rirul fi-t

(l\ *1

(0, 1)

6-Xz )

urrlo,sio'r L,, riu t, ba'l ). '\2I

Y1= )z * --IXt3. 2x+ 1

i.^., -- r= trr,m.rx=1, ,)z.yr=

E

a = I to.t l(1 +2. u)XL

- (O.+)(3.6) = 1,$t

lllttrn-- = j ta-o.t)(?.6)

: (?.6)(2.6); t,.'l!

1,+++ 6,-16 , f,,,X

r! Et\s, 6 /

la Lr, )= zx+cLrnr+ nr qoiiru ( c', 1)

I = Lt0)+C

C= I

Lr, ). zx+1

L1

6

I= -lx+r

11 - lcr

L

hn.?nfrs2 = l * llho**

n.n -rlrrior

Page 27: Pat1 ตุลา55 พร้อมเฉลย(2)

=k= k-t, k

= k-2, k-t,lr

" k-:, k-2,k-t,k= k- +, k-a, k-2, k-t, k= k-8, k-*, k-), k-2., k-t, k

= h-b, k-5,k-*, k-r, k-2, k-t, k

c, , "r)blrr+? 1n 1 L

? r'1,

flnlu )a

a

4d

d

a

d

I

FI{

k-a, k-2, k-i Ik-+,k-r,k-z I d k-

iack-I

)

b

b

d

a

B

d

1ln 0= {ra,bt 6AxAl

t,b e i1,2,t,...,k]frcr:odt o<b-t-<J

o< b-1('1 ! riufio

1o u der n n Islr.i u fi orrl'u

------+ cr < b- a n

, ,x+z( x')

1+LV.l

B rilul"um$ogFtdudu ( a,br

ocb-r-.1

b-a <-7

t-lSltr n

br,x'ri krutndn1uA trXl

l

>1 n b-<']+a#,0=k

= k-1 ,

= k-2 ,

= k-3 .,

= k-+ ,

= k-5.,= k-6,. k-y r

k-:., k-b,k-5,k-+,k-r, k-r, h-b, k-5,

3, +,5, b, J,8,12-,3,+r5rb,1)8

s dnilfrn r14 qdr+oirr

?-z + tk-tt[.1) " ] 1+ raf Y, ++k-c = loL

=obr = loporlob+c -O=cbc . looctlob+t -O

b 7 k rilu{r rJuil nr b froalrr A* Joi

l,ri fl,\,;'l .In

= h-r'

= h-"1

-9

Isl

b

b

b

b

b

b

b

b

b

x+z z(X+z) X+2

--* k= 106 4

r,'ilr X= 231 = 2clo + 30 + 1

. 1oo(L) + 4O(5) + 1

.{:lnl'nrn1+2+3+++5+btT

ld)

-- L$ flo}tou"v

r "do doln'- t't1

-llug) t=]) fl 0uouv

)?= 1+2-Z

1- jtx'-rl

l1n X

q1n Y

0-6'nr q:Iu

dtt[u1,6?1 b

L6i s

x-) = (100nnibk+c) - (100c ttlb+tr) = 100(a-c) -(a-c) = 19(?-c)

x-) : a1(a-c) dnrtrnfn oior\rl 2=9 trA: C.1 ( x-c=t l;?Jrndfi)

,11*rn'uo:\rfll6inlxilt t riu 1 rl^,rx',,,ar1orarIm*rrir,r

= {ltttqb1,q41,qg1,961,111, q81} rnrln'lug = Y(101)+ (u0+30+,..tro) = 665f4

1'l n --------f Y'_-+ y=

)=X----+Y=3Y = 3(qz) ------) 3Y =

L.Y= X nL

Lx

1+L7

L'L= )= 3

L

= -(X-1z

11n

11n

1;xr)+z = 16 ttr,filu,rrunr

X+ x'+ lcxt-11 = 16L

tz2-X+2-X, + X^l .5L.:X2+2X- 3i = Q

(3x+'tl)(x-3) = o

X = 3 ('." x liuirutulfirlrn)

z = ,cxt- r) )

Y

7

1{ln-l

6^l tx{xg

1

= 1 tt - t )Z

)(+) = 103

-lL-l

x

ldo'loi ] : 3

1vL5'l

16i

X)2. (3)(c

Page 28: Pat1 ตุลา55 พร้อมเฉลย(2)

@ @: r,=x,,{ J a tl

'1,1 fl t1 u uA u t* rA or_l [cr1

loo'r ,). s = b5- I,

*

[[h%Fi1111

q1n X:,, =N4 x' + NrNz I ilru = 65;

Na+N2

6i = t4otc sol+ r :o )t fr)4U+ 30

c)

C : druzu nufrli

-b 4550, Zoo0+ 3O-Y,2 ----n l,r'- 85

n(nUBUC) = 1t

n(AnBl: 5 , n(A0c)=3nr0nc) _ n(Anc) + n (nnBnc)

A : "(rln 'l {r n r:dd

rfl::r n r",l r

rrnlqnd n(A)= ?, hlb), Y1(c).10, h(Bnc). 6

11n n(AUgu c) = htn)+ n(B) + nrc) - n(An0)

1b - g+10+10-5- 6- 3 + n(An0nc)ntAn0nC) = 1b-14 =l

-,

0.56-x lrndi# F(s)= o,3o

r-t (B)= 0,a6+(0.38-X)0,3o = Cr. ++ - X

dr.,fl t,rro', = o.tqX -- o. l+

@ h+uunr'rlu a,b,L ca<b<c)

rfir-rir 2=CI.r rL61: c=6r t-.'

qrn IX - Gr + oo + Qu = 195 ----+

1ln dd.fr rruqfiiu G3 -G, = Gr-G1

; zx) A=,N

= flrl+t) =

?1

Qr+ G1 135

g* -_ fl(x-il' . (g4-6,gtz+ (60-6s)2+(gl-65)1NJ

l\,,= z1g

6S 1.1 Z=

_ 65-i,o,t^1,t

S7-

x4

1'5 l

+ir=50

,L:

X. = B5 c. ,.\) = lL

rouJdx

nr.+ff rtludrir?nfiros dlmrrBut lnifir,+il 3 * 2* 1 = 6 nrr

-1, e rlz C<JLR0nnuuLL3FI1.s1lnflU 6 nUffl 6 ?i x

Ir A- B) = PtRr - Ptnn sl=x -N= 0. l[ x

llmirniuon Me = bo = b

ol.1+ &r = f,ft*fi-- I ) 6.1.r+. Og

Q,r+&. = 135 -O

=0,L 5=O,lXt

X.6s ,\= lt

$,JX1 = b5-Xr -| 'l.3X.,.OS

= lS= [53

3)0+O: 2Qc = 1[2

Q3 ' {81

rrn @' er = 5J|

_ tlt x

= 0.2 -----r Gr - G t -- Ltl - O

121+25,+ 2,5$ = W33

6Ir uru r otrfior dsl roulai n: rruuEn ilu drmortiru , - 2 fi,rJfr n,l,rufit"urfouldl'r]u x'1 -.11x[o'tqrn 7=

_L

-2+

X

x-x

x - t51z

x -r5

61

1.s1 tJll c1 fr:t[l+u

Page 29: Pat1 ตุลา55 พร้อมเฉลย(2)

i= Zfx (I)t+0) + (12)tso) + ( 1't ) (30) + (LDtLo)

+0-t scl + bo + 2_O

Lr+60+s1+441+ = 183 -- 13+!1+ 1+

a+b+k= 1+14+1). LKX

nt-n-th2.

h+ 3 =b

m*l1+

4-d6 -

l,i (

1t[ln u

t+-!--h

An\-

l-

b"l-

I - nt+n-1 I

, on

Ll't+n- 1

nLn- t

,rllnn'n' rl"

nt+n- 1

.n=n2- n- 1

1bb1 =

15t1 i

Lh +h -(l"t+ari(

@ 11n 5t2 + rb

<$tlt0 t {1 n

n1[vl

,drc'10 i [fl0 n

tnr r

,do, rln x tiiuiru**1fir" drhi

fllrfisn b=3 1; r, 5q:s3.

cilrir* 2'-'1 , b= e, C =3

1; ?+b+c = 'r+3r3 = 10

r(8a+bC = 41b

= 41to - L

aa+b = 416-t7

2,b e Ir,L,... 1t trr'r]uiru:urfiu416-C e t* dta

'7

C=3 [nrl", +1b-1

,,,e+ b = 51

) = sg-bI

#rrlri te+b e t+ frtu/

J, dt- -. d"[c tilur']%tLi]01lt

n

(fr Xfi X+;)

9, 11, ll , .... ,t511thXL = A

I'l-16) = Q

(fl)nt+h - 1

n'-rt- r

1^t.:6 y

=413=511

sq-h e 1+8

56-v-t

x

dotr rrnh n 1

= ht+h-1

fri'lu

l'l = 2 ,9,$,)

+

)

x

n:rrlt1d aonl narr'(u )ti n14

5-710-1+

\s-11

ZCr - ?-t+

-?

a1

1"1

LL

+0

5o

36

Lo