1. Find the general solution of (general integral) of the differential equation.
1.1 ex + 3ydy = xdx

2. Find the general solution of (general integral) of the differential equation.
2.1 (xy + x3y) y = 1 + y2

3. Find the general solution of (general integral) of the differential equation.
3.1 y - xy = xsecy / x

4. Find a particular solution of (partial integral) of the differential equation.
4.1 (x2 + 1) y + 4xy = 3, y (0) = 0.

5. Find the general solution of the differential equation.
5.1 y + y = x√y

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