ИДЗ 11.1 – Вариант 21. Решения Рябушко А.П.

1. Find the general solution of (general integral) of the differential equation.
1.21 e-x2dy / x + dx / cos2y = 0

2. Find the general solution of (general integral) of the differential equation.
2.21 y - xy2 = 2xy

3. Find the general solution of (general integral) of the differential equation.
3.21 (x2 - 2xy) y = xy - y2

4. Find a particular solution of (partial integral) of the differential equation.
4.21 (x + 1) y + y = x3 + x2, y (0) = 0.

5. Find the general solution of the differential equation.
5.21 dx / x = (1 / y - 2x) dy

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