110. ( ) :
1. )
2 ¢ + 2 = 1;
æ y ö
) ¢ = ln ç ÷;
è x ø
) ¢ = x - + 1.
2. )
y 2 ¢ + 2 x = 1 + x 2;
) ¢ - =
2 + 2;
) (1 - 2) ¢ - 2 x = 1 + x 2.
3. )
)
)
¢ + x = x 2;
2 - 4 + 4 2 ¢ = 0;
( - 1) ¢ + 2 x = 1.
4. )
2 ¢ + 2 = 1;
) ¢ =
2
+ 6;
)
5. )
¢ - 3 = .
¢ + = 2;
) ¢ =
- 2 ;
+
) ¢ -
+ 1
= .
6. )
)
¢ - 2 = 2 ;
¢ = + ;
) ¢ - = (2 - 3) .
7. )
¢ + - 3 = 0;
) ¢ =
- 3 ;
+ 3
) 2 ¢ - = 3 2.
8. )
)
)
9. )
)
¢ = 3 2 - 2;
¢ + - = 0;
2 ¢ - 2 = 3.
¢ = 1 - 2 ;
2 ¢ + 2 - 2 = 0;
) ¢ - tg x =
1.
cos
10. )
)
(1 + 2) ¢ = + xy 2;
2 ¢ = 2 + ;
) ¢ + 2
= 2 + 2 .
1120. - , - :
11.
¢ - 2
= ,
4
(1) = 1.
12.
13.
¢ + 4 3 = 3 - × 2,
¢ + 2ctg x = cos x,
(0) = 8.
ç π ÷ = 1.
æ ö
14.
2 ¢ - =
3 x 2
,
y
è 2 ø
(1) = 2.
15.
2 ¢ - 2 xy = 2,
(1) = -1.
16.
¢ - 4 = 2 ,
(1) = 1.
17.
2 ¢ - 3 = -(20 2 + 12) 3,
(1) = 1.
2 2
18.
¢ - tg x + 2 cos x = 0,
(0) = 1.
19.
2 ¢ - = - 1,
y
2
(2) = 1.
2
20.
¢ + = 2 x- 2
2,
(0) = 1.
21 23. - :
21.
22.
23.
24.
25.
26.
(1 + ) ¢ - 5 × ( ¢)2 = 0.
(1 - 2) ¢ = ¢.
¢ × tg y = 2( ¢)2.
¢ + y ¢ = + 1.
( ¢)2 + 2 × y ¢ = 0.
¢ - y ¢ + 1 = 0.
27.
¢ = -2
¢ + 2.
|
|
28.
29.
30.
1 + ( ¢)2 + × y ¢ = 0.
4 ¢ + 3 y ¢ = 4.
( 2 + 1 ) ¢ + 2 y ¢ = 3.
31-40. - - , - :
31.
32.
33.
34.
35.
36.
37.
¢ - 4 ¢ + 13 = 26 2 - 3 ,
¢ + 2 ¢ = -2 (sin x + cos x),
¢ + 5 ¢ + 6 = 12 cos 2 ,
¢ + 4 ¢ - 12 = 8 sin 2 ,
¢ + ¢ - 2 = ex (2 + 2),
¢ - 5 ¢ = 15 2 + 4 ,
¢ - 4 ¢ + 5 = ex × ,
(0) = 1,
(0) = 0,
(0) = 1,
(0) = 0,
(0) = 2,
(0) = 1,
(0) = 1,
¢(0) = 0.
¢(0) = 0.
¢(0) = 3.
¢(0) = 0.
¢(0) = -1.
¢(0) = - 2.
¢(0) = 0.
38.
39.
40.
¢ - 2 ¢ + = e 2 x ( - 1),
¢ + 2 ¢ + 5 = 10 2 - 7 + 8,
¢ - 4 ¢ + 3 = 2 ex,
(0) = -2,
(0) = 0,
(0) = 2,
¢(0) = 0.
¢(0) = 0.
¢(0) = 1.
4150. - :
41.
ì dx = 4 x + 6 y,
ï dt
í dy
42.
ì dx = -5 x - 4 y,
ï dt
í dy
ï
î dt
= 4 x + 2 y.
ï
î dt
= -2 x - 3 y.
43.
ì dx = 3 x + y,
ï dt
í dy
44.
ì dx = 6 x + 3 y,
ï dt
í dy
ï
î dt
= 8 x + y.
ï
î dt
= -8 x - 5 y.
45.
ì dx = - x + 5 y,
ï dt
í dy
46.
ì dx = 3 x - 2 y,
ï dt
í dy
ï
î dt
= x + 3 y.
ï
î dt
= 2 x + 8 y.
47.
ì dx = -4 x - 6 y,
ï dt
í dy
48.
ì dx = -5 x - 8 y,
ï dt
í dy
ï
î dt
= -4 x - 2 y.
ï
î dt
= -3 x - 3 y.
49.
ì dx = - x - 5 y,
ï dt
í dy
50.
ì dx = -7 x + 5 y,
ï dt
í dy
ï
î dt
= -7 x - 3 y.
ï
î dt
= 4 x - 8 y.