9. (8.16 [1]) 
.
. , 
.
, 
.
, 
, 0,5, 600.
. cos = 9/19.
10. :
.
. 
.
.
= 
= 
.
. : 16, : (-13, -1, -8).
11. : 
, 
, 
, 
, 
45 . 
.
. 
= 
= 
.
. , , . , 
, (1,1) (2,1) .
. .
6 (23 ).
45 - , , . .
1,2,3.
a,b p,r: 
, 
. 
, 45 .
1. . 2. | [a,b] |.
3. 
1.
= 
= 
.
, . , 
, 
.
:
. . 29.
2.
= 
= 
, , , .. , . , 
, 
. , 
, .
= 
=
= 
. 
, , :
= 
= 
= 50. . 50.
3.
= 
= 
= 
=
= 
=
= 
= 257. . 257.
4. (8.19 [1]) , , 
, 
, p,q 
.
. . = 
= 
=
= 
= 
= 92. 92.
5. 
.
-, 
.
( )
-, , 
, 
. , 
, 
, 
.
6. (8.18 [1]) 
.
. = 
= 
. . 2.
7. :
.
. :
= 
= 
. . .
. a,b p,q: 
, 
. 
, 600.
1. . 2. | [a,b] |.
45 - . :
1.
2. (3- ).
3. (3- ).
4. .
7
).
1. a,b p,q: , . , 600. .
. = 
= 
= 
=
= 
=
= 1227.
|
|
|
. 1227.
2. a,b p,q: , . , 600. | [a,b] |.
. | [a,b] | = 
=
= 
=
= 
= 
= 
.
. .
