4
For each of the differential equations in Exercises 1 to 10, find the general solution:
1 1
cos
1
cos
dy
x
dx
x
= +−
2 2
4
( 2
2)
dy
y
y
dx =
−
− <
<
© NCERT
not to be republished
MATHEMATICS
396
3 1(
1)
dy
y
y
dx +
=
≠
4