-
8. (.47)
, ,
, =
,
:
:http://www.operedidixe.gr/
-
7. (.47)
1 2
, =3
u= 2 + 4 v = -
: u / / ( +2)
2
60o
60o
60o
30o
30o
30o
30o
90o 30o
:
:http://www.operedidixe.gr/
-
.2 (2010)
5/49.
= (,) , = (, )
(-)2=1
u = (,-) = = u =1
u = - = 0 u u / /
(-)2=
2 222u = u (u,) =1 1 (u,) = (1) =1
:
:http://www.operedidixe.gr/
-
3. (2010)
.3 (2010)
3 65
(2,1)
y=x+1 y=-x+1
.
: x=2 .
1 (2,3) 2 (2,-1)
()
1 2
.
1 2
1
2
(2,1)
'
'
:
:http://www.operedidixe.gr/
-
. 70 5.
x y x y
+ =1 + =1
, ,0
x y x y
+ =1 + =1
y=x .
y=x
y=x
y=x.
:
:http://www.operedidixe.gr/
-
7 76
(,0) (0,) ,>0 .
P(p,0) Q(0,q)
i) q+p=2pq ii) p+q=0
i) q+p=2pq2E1-2E3=2(-2E2)E1-E3=-2E2E1+E2=E3-E2
(AQP)=(BPQ)
ii)
p+q= =0
=90
=90
(,0)
(0,)
Q(0,q)
P(p,0) O
E1
E3
E2
O(,0)
(0,)
MQ(0,q)
P(p,0)
(,)
(p,q)
X X
:
:http://www.operedidixe.gr/
-
6. 2012
6. 2012
5 . 100
y2=2px (x1,y1) . , //.
1(x1,y1) . (-x1,0).
1
=
1 1
G p OE=
A x O
( GB//yy//1)
:
:http://www.operedidixe.gr/
-
7 y2=2px (x1,y1). , . ... yy
= ( ) =x1+p/2=A // //= = // . yy
(p/2,0)O
(x1,y1)(-p/2,y1)
'(x1,0)B(-x1,0)
K
:
:http://www.operedidixe.gr/
-
6 y2=2px yy ... i) AEB=90o
ii) EKAB
iii) 2= i) 7 = ( ) = ( ) ==90 ii) iii)
(p/2,0)
A(x1,y1)(-p/2,y1)
(-x1,0)
K
B
:
:http://www.operedidixe.gr/
A8-sel 47 - B Lukeiou KateA5 - sel 49 - B Lukeiou KateB3-sel 65 - B Lukeiou KateB5-sel 70-B Lukeiou KateB7-sel 76 - B Lukeiou KateB5-sel 100- B Lukeiou KateB6-B7-sel 100-B Lukeiou Kate