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7/31/2019 Oi Apodeixeis b Lykeiou
1/48
B
30
4328920 - 4311211
w w w . s t o x o s o m i l o s . g r
7/31/2019 Oi Apodeixeis b Lykeiou
2/48
.
22
25 .
1 .
14 .
.
.
. 3 .
.
7/31/2019 Oi Apodeixeis b Lykeiou
3/48
x
, , .
, .
.
.
, .
, .
, . .
:
.
6
4
2
2
14
. 2
1
6
4
- 2
2
14
6
3
2
3
14
2
6
4
. & 2
. - . 2
14
2
3 5
:
x = 100%
7/31/2019 Oi Apodeixeis b Lykeiou
4/48
30
.: 210 4328920
Fax: 210 4311211
30
210 - 4328920
www.stoxosomilos.gr
. 62
210 - 4314727
www.stoxosnet.gr
. 62
210 - 4314727www.alexander.edu.gr
30
210 - 4328920
www.stoxosnet.gr
. 62
210 - 4314727
210 - 4007938
ww ww ww .. ss tt oo xx oo ss oo mm ii ll oo ss .. gg rr
7/31/2019 Oi Apodeixeis b Lykeiou
5/48
1 1 1 1
----
1 1 1 1 2222
2 2 2 2 8888
3 3 3 3 ---- 11111111
4 4 4 4
---- . . . . 14141414
2222
----
1 1 1 1 18181818
2 2 2 2 27272727
3 3 3 3 33331111
4 4 4 4 38383838
3333
44441111
7/31/2019 Oi Apodeixeis b Lykeiou
6/48
~ 2 ~
- x
xo= 100%
;;;
7/31/2019 Oi Apodeixeis b Lykeiou
7/48
~ 3 ~
- x
----
1 1 1 1
I II III IV
+ + - -
+ - - +
+ - + -
+ - + -
x 2
x
2
+ x x +
3
2x
3
2x
+ 2 x 2 +
90 90 x+ 180 180 x+ 270 270 x+ 360 x 360 +
x x x x x x x
x x x x
x x x x x x
x x x x x x
() 0
30
45
60
90
180
270
360
(rad) 0
6
4
3
2
3
2
2
0 1
2 2
2
3
2
1 0 -1 0
1 3
2
2
2
1
2
0 -1 0 1
0 3
3
1 3 - 0 - 0
- 3 1 3
3
0 - 0 -
2 2 1 + = R
= , 0 R
= , 0 R
1 = , 0 R
2
2
21
=
+ , 0 R
2
2
1
1
=
+ , 0 R
1
-
7/31/2019 Oi Apodeixeis b Lykeiou
8/48
~ 4 ~
- x
f , *+T R
A :i. , , x T A x T A+
ii. ( ) ( ) ( )f x T f x T f x+ = = f .
x ( )rad
: ( )x x rad =
2 : ( )2x x = , R
0
2
3
2
2
x
0 1 0 -1 0
= 1 = 2
= -1 =
3
2
2.
[ ]0,2 .
x ( )x rad
: ( )x rad = 2, : ( )2 x = R
y
( )y f x x= = 1
0
1
2 x
7/31/2019 Oi Apodeixeis b Lykeiou
9/48
~ 5 ~
- x
2.
[ ]0,2 :
0
2
3
2
2
1 0 -1 0 1
=1
=0
=-1
=
=1
=2
.: ( )f x x
x
= = { }: 0= A x R x
x : ( ) x = , A . .
x () 2
2x
< x + ,
2x
=
f ( )f x x=
y
( )y f x x= = 1
0
1
2
2
y
( )y f x x= =
0
2
2
3
2
3
2
7/31/2019 Oi Apodeixeis b Lykeiou
10/48
~ 6 ~
- x
( ) ( ),f x x = , 0 > ( ) ( ),g x x = , 0 >
1 1x 1 ( ) 1x 0 > :
( ) ( )x f x
f .
< 0 .
f :2
T
=
2x x = = + 2 ,x = +
2 ,x x = =
,x x = = + ,x x = = +
( ) + = ( ) = +
( ) + = + ( ) =
( )1
++ =
( )
1
=
+
1( )
+ =
+
1( )
+ =
2
1. 2 2 =
2. 2 22 = 2. 22 2 1 = 2. 22 1 2 =
3. 22
2 1
=
4.
2 1
2 2
= 5.2
2
2 1
=
+
6.2
2
12
1
=
+ 7. 2
1 2
1 2
=
+8. 2
1 2
2
=
9. 21 2
2
+= 10. 33 3 4 = 11. 33 4 3 =
1 ( ) = +
7/31/2019 Oi Apodeixeis b Lykeiou
11/48
~ 7 ~
- x
2 ( ) + =
( ) = + :
( ) ( )
( ) ( ) ( )
= +
= + =
3 ( ) + = +
2
x x
=
2
x
=
:
( )( )2 2
2 2
+ = + = =
= + =
4 ( ) =
( ) + = + :
[ ]
[ ]
( ) ( )
( ) ( ) ( )
+ =
+ = + =
5 ( ) , ( ) 01
++ = +
0 .
( )( )
( )
+ ++ = = =
+ ( 0 )
1
++
= =
6 ( )1
=
( ) ,1
++ =
:
[ ]
[ ]
( ) ( )
( )
( ) 1 ( ) 1
= +
+
+ = = +
7/31/2019 Oi Apodeixeis b Lykeiou
12/48
~ 8 ~
- x
7 2 2 =
2 ( ) 2 = + = + =
8 2 2 2 22 2 1 1 2 = = =
2 2
2 2 2 2 2 2 2
2 ( )
(1 ) 1 2 1
= + = =
= = + =
2 2 2 2 21 1 2 = =
92
22
1
=
2
22 ( )
1 1
+= + = =
10 21 2
2
+=
:
2 2 2 1 22 2 1 2 1 22
+
= + = =
11 21 2
2
=
2 2 2 1 22 1 2 2 1 22
= = =
12 2 1 21 2
=+
22
2
1 21 22
1 2 1 2
2
= = =+ +
.. ,, 11556611--11662266,,
7/31/2019 Oi Apodeixeis b Lykeiou
13/48
~ 9 ~
- x
2222
x vax a R , *v N
R . .
, .. 3 50 ,0x .
, ..0 07 7 , 9 9x x= = .
x 11 1 0... ,
v v
v va x a x a x a
+ + + +
0 1 1, ,..., ,
v va a a a R , x
R .
( ), ( ), ( ), ( )P x Q x f x x ..
: 11 1 0( ) ...
v v
v vP x a x a x a x a
= + + + +
:
3 2( ) 4 5Q x x x x= + + .
00( )P x a x=
: 0.
11 1 0( ) ... , 0
v v
v v vP x a x a x a x a a
= + + + +
: 0,...,v
va x a
: 0
a
: 1 1 0
, ,..., ,v v
a a a a
:
x = : 1 0( ) ...P
= + + +
( )P x .
: R ( )P x , , ( ) 0P p =
.
x :vx
v
vx
-
7/31/2019 Oi Apodeixeis b Lykeiou
14/48
~ 10 ~
- x
x , .
11 1 0( ) ...P x a x a x a x a
= + + + +
1
1 1 0( ) ...v v
v vQ x x x x
= + + + +
, :
0 0 1 1
1 2
, ,...,( ) ( )
... 0
aP x Q x
+ +
= = ==
= = = =
1 ( )
( ) ( )x ( ) 0x ( )
( ) : ( ) ( ) ( ) ( )x x x x = + ( )
( ) .
( ) ( ) ( ) ( )x x x x = + :
( ) : ( )x ( ) 0x = .
: ( ) ( ) ( )x x x =
( ) ( )
. :
- ( )x ( ) , ( )x ( )x , ( ) : ( )x x ,
( )x : ( ) ( ) ( )x x x = .
2
( )P x x p ( )P p .
:
: ( ) ( ) ( ) ( )P x x p x P p= +
( )P x x p ( )( ) ( )P x x p x = + , ( )x
x p . p= , ( )( ) ( ) 0 ( )P p p p p p = + = + , ( )P p = .
( ) ( )
( )x
( )x
( )P x x p
( )
( )P p =
( )
( )x
( )
( )x
( )x , ( ) 0x = .
7/31/2019 Oi Apodeixeis b Lykeiou
15/48
~ 11 ~
- x
3
( )P x p , , p ( )P x .
x p ( )P x ( )( ) ( )P x x p x= . p= ,
( )( ) ( ) 0P p p p p= = , p ( )P x .
:
p ( )P x ( ) 0P p = , ( )P x p
: ( ) 0P p = =
:
( ) ( ) ( )( ) ( ) ( ) ( ) ( ) 0 ( ) ( )P x x p x P p P x x p x P x x p x = + = + = , x p ( )P x .
4
:1
1 1 0... 0v v
v va x a x a x a
+ + + + = ,
. 0p p
.
0p , : 11 1 0... 0v v
v va p a p a p a
+ + + + =
( ) ( )1 2 1 21 1 0 0 1 1... 0 ...v v v vv v v vp a p a p a a a p a p a p a + + + + = = + + + .
Z
Z p 0a .
0
a
7/31/2019 Oi Apodeixeis b Lykeiou
16/48
~ 12 ~
- x
3333
* .
.
1 2 3, , ... , , ...
.
.
.
:
i.
.. 2 1 = , 1 1 = , 2 3 = , 3 5 = ,
ii.
.. 1
1 = , 2 3 = 2 1 + += +
:3 2 1
1 1 2 = + = + =
4 3 22 1 3 = + = + =
5 4 33 2 5 = + = + =
.. 100 99 .
(..)
(..)
.
.
, , :
1 1, *
+ += + =
.
i.
1
: ( )1 1 = +
ii. , , ,2
+=
iii. , , , .. , ,2
+=
iv. .. :
1 2...
v vS a a a= + + + : ( )1
2v v
vS a a= + ( )12 1
2v
vS a v = +
-
7/31/2019 Oi Apodeixeis b Lykeiou
17/48
~ 13 ~
- x
(..)
.
.
1
0 0
0
, *
( )
11
++ = = , .
i. 1
:
1
1
=
ii. , 0 , , =
iii. , , , .. , , 2 =
iv. .. , 1 2
...v v
S a a a= + + +
11
1v
S a
=
1
1vS v a= 1= .
1
1
: ( )1 1 = +
:
1 1
2 1
3 2
4 3
1 2
1
..................
= = + = +
= +
= +
= +
: ( )1 1 = +
2
( ). , ,
: 2 = + 2
+=
, , . :
= 22
+ = = + = + = + =
7/31/2019 Oi Apodeixeis b Lykeiou
18/48
~ 14 ~
- x
3
1
: 11
=
:
1 1
2 1
3 2
4 3
1 2
1
..................
=
= =
=
=
=
: 11
=
4
( ). , ,
:2 =
, , 0 . :
= 2
= = =
5
.
1 : 11
1v
S a
=
.
: 2 2 11 1 1 1 1...vS a a
= + + + + + (1)
(1) : 2 3 11 1 1 1 1...vS a a
= + + + + + (2)
1,2 :1 1
v
v vS S a a = ( )1vS
1 :1
1
1v
S a
=
:
1= 1 1vS va= .
(( 11996688))
7/31/2019 Oi Apodeixeis b Lykeiou
19/48
~ 15 ~
- x
4444
, 0 > 1 2, ,x x R , :i. 1 2 1 2x x x xa a a + =
ii.1
1 2
2
xx x
x
aa
a
= iii. ( )2
1 1 2x
x x xa a =
iv. ( )x x xa a =
v.
x x
x
a a
=
:
0 *1,a a R=
*
, , N
=
*1
, , R
=
0x > : 0 0x = .
: :f R R ( ) xf x a= , 0 1a< .
: 1a = , ( ) 1f x =
: A R=
: ( )0, +
i. 1a > R
1 2,x x R
:
1 2
x< 1 2x xa a< .
f 'Ox
ii. 0 1a< < R
1 2,x x R
:
1 2
x< 1 2x xa a>
f
+ Ox
( ) xf x a= 0 1a< x R 1 2 1 2x xa a x x= = 1 2,x R .
'x
'y
y
O
( )0,1A
xy a=
1a >
'x
y
O
( )0,1A
xy a=
'y
0 1a< <
-
7/31/2019 Oi Apodeixeis b Lykeiou
20/48
~ 16 ~
- x
'y y ( )0,1
'x 0xa > x R .
( ) xf x a= 1
( )
x
g xa
=
x R :
1 1( ) ( )
x
x
xg x a f x
a a
= = = =
'y y 1a > .
e
, 1
1
v
va
v
= +
e 2,718e .
1
lim 1
v
ve
v
= +
.
( ) xf x e=
( ) , 1xf x a a= > ( 2, 718... 1a e= = > ) .
e 0( )
ctQ t Q e=
, .
0
Q Q 0t= . 0c >
Q . 0c < Q
.
, 1 0, 0xa = > > .
( ) xf x a= .
loga
.
: log , 1 0, 0xa x = = > >
:
loga
.
1 0 > , R 0 >
log xa a x= logaa =
1 = log 1a a =
0
1 = log 1 0a
=
y
x O
( )0,1A
( ) xg x a=
'
'y
( ) xf x a=
x = 100%
7/31/2019 Oi Apodeixeis b Lykeiou
21/48
~ 17 ~
- x
1 0 > 1 2, , 0 > R :
1. ( )1 2 1 2log log loga a a = +
2. 1 1 22
log log loga a a
=
3. log loga a
=
1
0 > 1
= :1
1log log log
a a a
= = .
2
1 1 2, ,...,
.
: ( )1 2 1 2log ... log log ... loga a a a = + + + .
3
2 :1
log loga a
= .
10 .
10 log , 0x x = = > .
:
1. log10x = log10 =
2. log10 1= log1 0=
3.
( )1 2 1 2log log log = +
4. 1 1 22
log log log
=
5. log log =
6.1
1log log log
= =
1 2, , 0 > R
e.
.
, ln loge .
: ln , 0xe x = = >
:
1. ln xe x= lne = 2. ln 1e = ln1 0=
3. ( )1 2 1 2ln ln ln = +
4. 1 1 22
ln ln ln
=
5. ln ln =
7.1
1ln ln ln
= = 1 2, , 0 > R
7/31/2019 Oi Apodeixeis b Lykeiou
22/48
~ 18 ~
- x
6.
1 0 > 1 0 > 0 > :log
loglog
=
4
ln
logln10
=
logln
log e
=
0a > 1a 1 2, , 0 > R :
1
( )1 2 1 2log log loga a a = +
1 1loga x = 2 2loga = . :1
1
xa =
22
xa =
: 1 21 2
x xa = 1 2 1 2
x x + =
: ( )1 2 1 2 1 2log log loga a ax x = + = +
2
11 2
2
log log loga a a
=
1 1
loga
x = 2 2loga = :
1
1
xa = 2 2
xa =
:1
2
1
2
x
x
a
a
= 1 2 1
2
x x
=
: 1 1 2 1 22
log log loga a ax x
= =
3
log loga a =
loga
= xa =
: ( )xa
= kx =
: log loga ax = =
:
0 >
1
= :
11
log log loga a a = =
7/31/2019 Oi Apodeixeis b Lykeiou
23/48
~ 19 ~
- x
----
1111
= uuur uuur
.
= = = = uuur uuur uuur uuur uuur uuur uuur uuur
ur
, ur
, r
, R :
1. + = +
ur ur ur ur
2. ( ) ( ) + + = + +ur ur r ur ur r
3. 0 + =ur r ur
4. ( ) 0 + =ur ur r
5. + = + =ur r ur r ur ur
6. 0x x + = =ur r ur r r
7. 0x x + = = ur r r r ur
8. ( ) ( ) ( ) + = + ur ur ur ur
9. uuur uuur uuur
10. + +ur ur ur ur ur ur
: + = +ur ur ur ur ur ur
= = +ur ur ur ur ur ur
11.0 0 =ur r
, 0 0 =r r
12. ( ) + = +ur ur ur ur
13.( ) + = +ur ur ur
14. ( ) ( ) =ur ur
15.1 =ur ur
16. 0 0 = =ur r
0 =ur r
17.( ) ( ) ( ) = = ur ur ur ur
18. ( ) = ur ur ur ur
19.( ) = ur ur ur
20. =ur ur
0
=ur ur
21. =ur ur
0 ur r
=
:
/ / =ur ur ur ur
R , 0 ur r
|| ur ur
r
ur
, ur
, R = +
r ur ur
. r
ur
ur
.
:2
+ =
uuur uuur
uuuur
( ).
-
7/31/2019 Oi Apodeixeis b Lykeiou
24/48
~ 20 ~
- x
y ur
,
( )1 1,x y =ur
, 1,
1y
1 1a x i y j= + r r r
. :
1. ( )1 1,x y =ur
, ( )2 2,x y =ur
1 2x = =ur ur
1 2
y y=
2. ( )1 1,x y =ur
, ( )2 2,x y =ur
( )1 2 1 2,x y y + = + +ur ur
3. R ( )1 1,x y =ur
( )1 1,x y =ur
4. 1 1
( , )A x y , ( )2 2,B x y :
( )2 1 2 1,AB x x y y= uuur
( ) ( )2 2
2 1 2 1AB x x y y= +
uuur
( , )M x y : 1 22
x xx
+= , 1 2
2
y yy
+=
5. ( )1 1,x y =ur
, ( )2 2,x y =ur
:
1 1
1 2 2 1
2 2
|| 0 0x y
x y x yx y
= =ur ur
1
1
y
x =ur , 2
2
y
x =ur 1 0x , 2 0x
||
=ur ur ur ur
, ,
ur ,
ur
( ) ( ), , , 0 .a a a a = r ur r ur r ur r ur
0a =r r
0 =ur r
, 0a =r ur r
( ) ( )1 1 2 2, , ,a x y x y= =r ur
:( )
1 2 1 2
1 2 1 2
2 2 2 2
1 1 2 2
,
a x x y y
x x y yaa
a x y x y
= +
+ = = + +
r ur
r ur
r ur
r ur
1. a a = r ur ur r
2. ( ) ( ) ( )a a a = =r ur r r ur
3. ( )a a a + = + r ur r r ur r r
4.22
a a a = =r r r ur
. .
5. = ur ur ur ur ur ur
6. = ur ur ur ur ur ur
7. 0 =ur ur ur ur
8. 1 2 1 2 0x x y y + =ur ur
9. 1
= ur ur ur ur
,
ur ur
10. 1 = ur r ur ur
( 1 =ur
ur r
) 1ur
r
1ur
ur
7/31/2019 Oi Apodeixeis b Lykeiou
25/48
~ 21 ~
- x
1
ar
ur
. ar
ur
. .
=ur ur
=ur ur
.
' ' ' =uuuuur ur
' =uuuuur ur
.
' ' = =uuur uuuuur ur
' ' = =uuuur uuuuuur ur
, ' ' = uuuur uuuur
' ' = uuuur uuuuur
. , ' ' =uuuur uuuuur
,
' ' = uuuur uuuuuur
.
,
:
=uuur ur
=uuur ur
,
+ur ur
.
2
.
1. + = +ur ur ur ur
( )
2. ( ) ( ) + + = + +ur ur r ur ur r
( )
1. :
+ = + = ur ur uuur uuuur uuuur
+ = + =
ur ur uuur uuuur uuuur
.
+ = +ur ur ur ur
.
ur
ur
ur
ar
A M
'M
O
'O
a +r ur
a +r ur
ur
ar
'A
ur
ur
ur
ur
ur
ur
+
ur ur
ur
ur
ur
ur
+
ur ur
ur
ur
7/31/2019 Oi Apodeixeis b Lykeiou
26/48
~ 22 ~
- x
2. :
( ) ( ) + + = + + = + = ur ur r uuur uuur uuur uuur uuur uuur
( ) ( ) + + = + + = + = ur ur r uuur uuur uuur uuur uuur uuur
( ) ( ) + + = + +ur ur r ur ur r
.
3
) .) :
.
) .
uuur
,
.
) .
uuur
+=uuur uuur uuur
=uuur uuur uuur
.
4
ur
ur
+ +ur ur ur ur ur ur
,
:
( ) ( ) ( ) ( ) ( ) +
+ +ur ur ur ur ur ur
5
, ur ur
, 0 ur r
, // , .R = ur ur ur ur
ur
ur
, 0 ur r
, =ur ur
,
. ( ). .
, ur
ur
0 ur r
,
:
=
ur
ur , =ur ur
:
, ur ur
=ur ur
, ur ur
= ur ur
0 =ur r
, 0 = ur ur
= ur ur
ur
ur
r
+ +ur ur r
+ur r
+ur ur
ur
ur
ur
ur
+
ur ur
=ur ur
ur
7/31/2019 Oi Apodeixeis b Lykeiou
27/48
~ 23 ~
- x
6
uuuur
:
2
+ =
uuur uuur
uuuur
uuur
.
uuuur
:
= + uuuur uuur uuuur
(1) = + uuuur uuur uuuur
(2)
, (1) (2)
:
2 = + + + = + uuuur uuur uuuur uuur uuuur uuur uuur
. 2
+ =
uuur uuur
uuuur
7
, ur
,
ir
jr
.
Oxy ur
.
OA a=uuur r
.
1
A 2
A 'x
'y y , : 1 2OA OA OA= +uuur uuur uuuur
(1)
,y ,
: 1OA xi=uuur r
2OA y j=uuuur r
.
(1)
a xi y j= +r r r
(2)
ur
ir
jr
.
y .
ur
ir
jr
.
, ur
: ' 'a x i y j= +r r r
(3)
(2) (3) : ' 'xi y j x i y j+ = +r r r r
( ) ( )' 'x x i y y j = r r
'x , ' 0x x , '
'
y yi j
x x
=
r r
, , / /i jr r
, , ir
jr
.
'x x= , 'y y= .
//
//
ar
ar
A
x
y
O ir
jr
1A
2A
xo= 100%
7/31/2019 Oi Apodeixeis b Lykeiou
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~ 24 ~
- x
8
ur
ur
,
+ur ur
, ur
, R
ur
ur
ur
ur
.
1 1( , )y =ur
( )2 2,y =ur
, :
( ) ( ) ( ) ( )1 1 2 2 1 2 1 2x i y j x i y j x x i y y j + = + + + = + + +ur ur r r r r r r
( ) ( ) ( )1 1 1 1x i y j x i y j = + = +ur r r r r
( )1 2 1 2,x x y y + = + +ur ur
( )1 1,x y =ur
( ) ( ) ( )1 1 2 2 1 2 1 2, , ,y x y x x y y+ = + + ( ) ( )1 1 1 1, ,y x y =
, +ur ur
:
( ) ( ) ( )1 1 2 2 1 2 1 2, , ,y x y x x y y + = + = + +ur ur
9
( )1 1,A x y ( )2 2,B x y
( ),y . 1 22
x xx
+=
1 2
2
y yy
+= .
1 1
( , )A x y ( )2 2,B x y
( ),y . :
( )12
OM OA OB= +uuuur uuur uuur
, ( ),OM x y=ur
, ( )1 1,OA x y=uuur
, ( )2 2,OB x y=uuur
( ) ( ) ( ) 1 2 1 21 1 2 21
, , , ,2 2 2
x y yx y x y x y
+ + = + =
1 2
2
x xx
+= 1 2
2
y yy
+= .
10
( ),x y 1 1( , )A x y ( )2 2,B x y
:2 1
x x x= 2 1y y y= .
1 1
( , )A x y ( )2 2,B x y
( ),x y
Buuur
.
, , = uuur uuur uuur
( ), ,y =uuur
( )2 2, ,x y =uuur
( )1 1, ,y =uuur
: ( ) ( ) ( ) ( )2 2 1 1 2 1 2 1, , , ,y x y x y x x y y= = : 2 1x x x= 2 1y y y= .
y
O
( )2 2,B x y
( ),M x y
( )1 1,A x y
( )2 2,B x y
( )1 1,A x y
y
x O
7/31/2019 Oi Apodeixeis b Lykeiou
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~ 25 ~
- x
11
( ),a x y=r
.
: 2 2a x y= +r
.
( ),a x y=r
OA a=ur r
.
1
A 2
A
'x x 'y y .
y ,
( )1OA x= ( )2OA y= .
1
OA A :
( ) ( ) ( ) ( ) ( )2 2 22 2 2 2 2 2 2
1 1 1 2a OA OA A A OA OA x y x y= = + = + = + = +r
.
: 2 2a x y= +r
12
1 1
( , )A x y ( )2 2,B x y
( ) ( ) ( )2 2
2 1 2 1AB x x y y= + .
1 1
( , )A x y ( )2 2,B x y . ( )AB
( )2 1 2 1,AB x x y y= ur
,
:
( ) ( ) ( )2 2
2 1 2 1AB AB x x y y= = +
uuur
:
1 1
( , )A x y ( )2 2,B x y
( ) ( ) ( )2 2
2 1 2 1AB x x y y= +
13
ar
, ur
, ( )1 1,x y =ur
, ( )2 2,x y =ur
, 1, 2 0
1
2
: 1 2/ / =ur ur
( )1 1,x y =ur
( )2 2,x y =ur
1
2
,
:1 1 1 2
1 2 2 1 1 2 2 1 1 2
2 2 1 2
// 0 0x y y y
x y x y x y x yx y x x
= = = = =ur ur
.
ar
( ),A x y
x
y
1A O
2A
1 1,A x y
2 2,B x y
y
O
x = 100%
7/31/2019 Oi Apodeixeis b Lykeiou
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~ 26 ~
- x
14
( )1 1,y =ur
( )2 2,y =ur
.
=uuur ur
=uuur ur
.
:
( ) ( ) ( ) ( ) ( )2 2 2
2 AOB = +
, , .
: ( ) ( ) ( )2 2 2
2 1 2 1AB x x y y= + , ( )
2 2 2
1 1OA x y= + ( )
2 2 2
2 2OB x y= + .
, :
( ) ( ) ( ) ( )2 2 2 2 2 2
2 1 2 1 1 1 2 2 2x y y x y x y OA OB AOB + = + + +
( ) ( )2 2 2 2 2 2 2 21 2 1 2 1 2 1 2 1 1 2 22 2 2x x x y y y y x y x y OA OB AOB+ + + = + + +
( ) ( )OA OB AOB a = r ur
, : 1 2 1 2x y y = +ur ur
15
:
( ) ( ) , R = = ur ur ur ur ur ur
( ) + = + ur ur r ur ur ur r
1 2 1 = ur ur
, 1
= ur 2 =ur, , // /
ur ur
( )'y y
( )1 1 ,a x y= r
( )2 2,y =ur
( )3 3,y =r
, :
( ) ( ) ( ) ( ) ( ) ( ) ( )1 1 2 2 1 2 1 2 1 2 1 2, ,x y x y x x y y x x y y = = + = + = ur ur ur ur
( ) ( ) ( ) ( ) ( ) ( ) ( )1 1 2 2 1 2 1 2 1 2 1 2, ,x y x y x x y y x x y y a = = + = + = ur ur r ur
.
: ( ) ( ) ( ) = = ur ur ur ur ur ur
( ) ( )( ) ( ) ( )1 1 2 3 2 3 1 2 3 1 2 3, ,x y x x y y x x x y y y + = + + = + + +ur ur r
( ) ( ) ( ) ( )1 2 1 3 1 2 1 3 1 2 1 2 1 3 1 3x x x x y y y y x x y y x x y y= + + + = + + +
a a = + r ur r r
.
1 21 2 1 2 1 2 1 2 1 2
1 2
0 0 1 1y y
x x y y y y x xx x
= + = = = = ur ur ur ur
y
x O
ar
ur
( )2 2,B x y
( )1 1,A x y
7/31/2019 Oi Apodeixeis b Lykeiou
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~ 27 ~
- x
16
( )1 1,y =ur
( )2 2,y =ur
.
: 1 2 1 22 2 2 2
1 1 2 2
x x y y
y x y
+=
+ +.
a a =r ur r ur
=
ur ur
ur ur .
1 2 1 2a x x y y = +r ur
, 2 21 1a x y= +
r
2 22 2y = +
ur
.
,
1 2 1 2
2 2 2 2
1 1 2 2
x x y y
x y x y
+=
+ +
17
,a vr r
0a r r
. a v a v
= urr r r r
.
=uuur ur
=uuuur r
.
uuur
1
.
1uuuuur
r
ur
v
urr
:
1v
= ur
uuuuur r
( r
ur
).
ur
r
:
( )1 1 1 1 1 = + = + = = urur ur uuuuur uuuuur ur uuuuur ur uuuuur ur uuuuur r
: v
= urur r ur r
vr
1
ur
;;;
7/31/2019 Oi Apodeixeis b Lykeiou
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~ 28 ~
- x
1111
1. () 0 0
( , )A x y
:0 0
: ( )y y x x =
2. () 1 1
( , )A x y 2 2
( , )B x y 1 2
x x :
( )2 11 12 1
:y y
y y x xx x
=
, 2 1
2 1
AB
y y
x x
= =
uuur 2 1
x x
1
x= 2 1
x x=
3. () 'y y ( )0, :y x = + , ()
4. () ( )0,0 'y y ::y x =
5. () 0 0
( , )A x y
'x x :0
:y y =
6. () 0 0
( , )A x y
'y y : 0: x =
7. 0Ax By+ + = , 0A 0B
: 0Ax By+ + = , 0A 0B (1)
(1) .
: 0B :
1. (1) :A
B = .
2. (1) ( )1 , = uur
( )2 , = uur
.
3. (1) ( ) ( )1 2, , = =
uur uur
1. d ( )0 0 0,x y :
() 0, 0Ax By A B+ + = +
:
( ) 0 002 2
,Ax By
d d M + +
= = +
-
d
( )0 0 0,x y
x
y
O
7/31/2019 Oi Apodeixeis b Lykeiou
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~ 29 ~
- x
2. , :
( ) ( )1
det ,2
AB A = uuur uuur
( )det ,AB A
uuur uuur
ABuuur
Auuur
.
: ( ) ( ) ( )1 1
det , det ,2 2
= = uuur uuur uuur uuur
1
, .
ur
.
ur
'x , = = + .
= . :
, .
2
: ( )1 1,x y
( )2 2,B x y , 1 2x 2 1
2 1
y y
x
=
.
( )1 1,y ( )2 2,B x y .
( )2 1 2 1,AB x x y y= uuur
, 2 1
2 1
y y
x x
.
y
x
ur
=
y
ur
= +
7/31/2019 Oi Apodeixeis b Lykeiou
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~ 30 ~
- x
3
Oxy ( )0 0,x y . A .
Oxy
( )0 0,y .
. ( , )M x y
( )0 0,x y ,
, AMuuuur
,
, AMuuuur
.
( )0 0,AM x x y y= uuuur
, 0
0
A
y y
x x
=
uuuur .
( , )M x y , , : 0
0
y y
x x
=
( )0 0y y x x = .
( )0 0,y .
: ( )0 0y y x x =
4
Oxy ( )1 1,x y ( )2 2,B x y
. ( )1 1,y ( )2 2,B x y .
( )1 1,y ( )2 2,B x y .
1 2
x ,
2 1
2 1
y y
x
=
( )0 0y y x x =
: 2 11 1
2 1
( )y y
y y x x
x x
=
1 2 0
x x x= =
,
.
( )0 0,x y : 0x x=
0.
y
( , )M x y
0 0( , )A x y
y
x
2 2( , )B x y
1 1( , )A x y
. .
7/31/2019 Oi Apodeixeis b Lykeiou
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~ 31 ~
- x
5
:
0Ax By+ + = 0A 0B (1)
, (1) .
.
'yy ( )0, , y x = + , :
( 1) 0x y + + =
0 0
( , )P x y , 0
x= ,
:
00 ( ) 0x y x+ + = .
, ,
0Ax By+ + = 0A 0B
, :
0Ax By+ + = 0A 0B
0B , A
y xB B
= ,
=
'yy 0,
.
0 = , , , 0A x
=
,
'x ,0P
.
0Ax By+ + = 0A 0B .
y
0 0
( , )P x y
-
xo = 100%
7/31/2019 Oi Apodeixeis b Lykeiou
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~ 32 ~
- x
1111
.
.
.
(0,0)
2 2 2:x y + = (0,0)
1 1
( , )x y : 21 1xx yy+ =
0 0
( , )y
: ( ) ( )2 2 2
0 0x x y y + =
2 2 0x y Ax By+ + + + = (1), , ,A B R
2 2 4 0 : + > (1) :
,2 2
2 2 4
2 + =
2 2 4 0 : + = (1) ,2 2
.
2 2 4 0 : + < (1) .
.
()
.
.
y
x ( )0,0
y
x ( )0,0
( )1 1,y
( )0 0,x y
y
-
7/31/2019 Oi Apodeixeis b Lykeiou
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~ 33 ~
- x
1. (0,0) , ,02
p
, :
2
px = 2 2y px=
: y2 = 2x ( > 0 x 0) ( 0 0) (
7/31/2019 Oi Apodeixeis b Lykeiou
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~ 34 ~
- x
2 = 2 2 > > : 1
=
: 1
xx2
1
2
1 =
: 1
x
2
2
2
2
= , 2 = 2 + 2
: (-,0) (,0)
: (0,-) (0,)
: x
-yx,
y ==
: 1
>=
: 1
x
2
1
2
1 =x
x2 y2 = 2 y2 x2 = 2( = )
7/31/2019 Oi Apodeixeis b Lykeiou
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~ 35 ~
- x
1
(0,0) : 2 2 2x y+ = .
Oxy
C (0,0)O .
( , )M x y C, ,
, , : ( )OM = (1)
( ) 2 2x y = + (1) :2 2
x y+ = , 2 2 2x y + = .
2
, 2 2 2x y+ = 1 1( , )x y 2
1 1xx yy+ = .
C: 2 2 2x y+ =
1 1
( , )x y .
( , )M x y ,
OA AM , ,
: 0OA AM =uuur uuuur
. (1)
1 1( , )OA x y=uuur
( )1 1,AM x x y y= uuuur
.
(1) :1 1 1 1( ) ( ) 0x x x y y y + =
2 2
1 1 1 1x yy x y+ = + 2
1 1 ,xx yy+ = 2 2 2
1 1x y + = .
3
, 0 0
( , )x y : ( ) ( )2 2 20 0x x y y + =
xy C
0 0
( , )x y .
( , )M x y C,
,
, , :
( )KM = (1)
, ( ) ( ) ( )2 20 0x x y y = + . (1) :
( ) ( )2 2
0 0x x y y + = , , ( ) ( )2 2 2
0 0x x y y + = .
y
O
( ),y
( )1 1,A x y
y
x ( )0,0
( ),y
C
y
x
( )0 0,y
( ),y
7/31/2019 Oi Apodeixeis b Lykeiou
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~ 36 ~
- x
4
, ( ) ( )2 2 2
0 0x x y y + = (1) : 2 2 0x y Ax By+ + + + =
(2) (2) ;
(1) :
( )
2 2 2 2 2
0 0 0 02 2 0x y x x y y x y + + + =
2 2 0x y Ax By+ + + + = ,
:0 0
2 , 2x B y = = 2 2 20 0x y = + .
, (2) : ( ) ( )2 2x Ax y By+ + + = 2 2 2 2
2 22 22 4 2 4 4 4
A A B B A Bx x y y
+ + + + + = + +
2 2 2 2 4.
2 2 4
A B A Bx y
+ + + + =
:
2 2 4 0A B+ > , (2) ,2 2
2 2 2 24 4
4 2
A B A B
+ + = = .
2 2 4 0A B+ = , (2) , ,2 2
.
2 2 4 0A B+ < , (2) , ( , )x y
.
:
2 2 0x y Ax By+ + + + = , 2 2 4 0A B+ > ()
() .
1
'x
.
'x : 2 2y px= p x ( 0x ) . ,
'y y .
.
2
.
1 1 1( , )M x y 2 2y px= , , 21 12y px= ,
2 1 1( , )M x y , : ( )
2 2
1 1 12y y px = = .
'x . , ( ).
7/31/2019 Oi Apodeixeis b Lykeiou
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~ 37 ~
- x
1
,a x a= = ,y y = = .
2 2
2 21
x y
a + = . ,
2 2
2 21 1
x y
a =
2 2 0x a a x a . y .
, ,x a x a= = ,y y = = .
2
) ;
) 21
= . ;
) .
2 2
2 21
x y
a + = , 1
= < .
) 2 2 = , 2 2
= ,
22 22
21
= =
21
= .
,
.
,
1
. , , ,
0
.
,
.
1
'x .
2 2
2 21
x y
a = . , :
2 2
2 21 1
x y
a = + ,
2 2 0x a a x a .
, a= a= ,
.
7/31/2019 Oi Apodeixeis b Lykeiou
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~ 38 ~
- x
2
i) ;
ii) 2 1
= .
iii) ;
iv) ;
i) .
2 2
2 21
x y
a = , , 1
= > .
ii) 2 2 = + , 2 2
+= ,
2
2 1
= +
, 2 1
= .
iii) , ,
. .
1,
, ,
0. ,
.
iv) = , : 2 21 1 2 2 = = = .
;;;
7/31/2019 Oi Apodeixeis b Lykeiou
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~ 39 ~
- x
3333
( )P v .
) 1 (1)P
) ( )P v ( 1)P v + .
( )P v .
, 0 ,
: 0 , :
, 0 = + <
, .
, 0 = + < ,
.
, . 0.
.
.
,
.
.
.
.
.
.
*
,
. *, .
.
.
.
, ,
.
, ,
.
-
7/31/2019 Oi Apodeixeis b Lykeiou
44/48
~ 40 ~
- x
, 0 . |
. = .
:
: | ,
0 , .
| |
*1| , , | ,
| 0 *
| *| ,
, , . :
| | : =
| | : |
| |
| | : ( )| +
| 0 :
:
/ / / ( ) + , ,
.
1
.i. x .
ii. x .
2
, , x, y . | ( )| a y |y .
\/ a
7/31/2019 Oi Apodeixeis b Lykeiou
45/48
~ 41 ~
- x
1
, , . :
i. | | , = = .
ii. | | , | .iii. | , | .
iv. | , | , ( )| + .
v. | 0 , .
i. | | , , , , = = ,
= , 1= 1 = = , = = .
ii. | | , , , , = = ,
= | .
iii. | , , = , = | .
iv. | | , , , = = ,
( ) + = + ( )| +
v. | 0 , 0 = . , = ,
1 .
;;;
7/31/2019 Oi Apodeixeis b Lykeiou
46/48
~ 42 ~
- x
. . . .
7/31/2019 Oi Apodeixeis b Lykeiou
47/48
~ 43 ~
- x
, ,
, ,
, ,
, ,
, .
xo
, x
e,
.
e.
, ,
. :
,
.
,
.
x = 100%
7/31/2019 Oi Apodeixeis b Lykeiou
48/48
- x
5
3
2
3
2
15
:
. ,
. , ,
.
, ,
4
4
8
3
4
7
4
2
6
3
4
7
:
:
.
A