odG~a"nmzqJu'u I%an~fl~ln~lf(mathematical induction) fiipod"$0fl31N#ldh I '1 4~ p(n) LLIIUCEIFI~IU .. .(? I-;) (~.~;)(117.;)::...k.~iJ .F. .% ........

w w w 1 - 1 mauu ~ ( . 2 . ) ;a. .. ..I z- 2....2.............................. - - ..........

4 1 " Jstf~uo'ia~wn: .... .I- - .f. -. .u.. ................................. 2 ,g

I A k ifluiiu~uduu~nln 1% k 2 ?.

2 -2<%<-1 .......................... , .......................... [ .......................... 4 - 7 7 ......................... -1 < 7 C + I f (x) = ,

x + sin s ~ d e x < o f ( 4 = x

12-41-2 idil o < x < 5

0-41-2 = 4-2 = 2 2r1 oam f ( ~ ) = . . I . . .................................................

Iim %+sir\ x = i~ I+- lim f (x) = ..3qb=. ...... .*.. .............. ~ ~ ~ 7 . ......... % .....................

I ( sifix) = l + l . 2 x+o-

lim f(x) = .iim., .(I. x.:~I .-. 2).= ... = 2 x+o+ x7cf

$0 5. (6 R:IIUU) O4MI lim I-+CO

x = cost + t s in t , y = sint - tcost

d23 d t = - - - *

d2 dt sec't - - sec3 t dx dx st cost - - dt "L