1. Find the general solution of (general integral) of the differential equation.
1.29 cos3y ∙ y - cos (2x + y) = cos (2x - y)

2. Find the general solution of (general integral) of the differential equation.
2.29 (x2y - y) 2y = x2y - y + x2 - 1

3. Find the general solution of (general integral) of the differential equation.
3.29 x2y = y (x + y)

4. Find a particular solution of (partial integral) of the differential equation.
4.29 y - 3x2y - x2ex3 = 0, y (0) = 0.

5. Find the general solution of the differential equation.
5.29 y - y + y2cosx = 0

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