ИДЗ 11.1 – Вариант 4. Решения Рябушко А.П.

1. Find the general solution of (general integral) of the differential equation.
1.4 sec2xtgydx + sec2ytgxdy = 0

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

3. Find the general solution of (general integral) of the differential equation.
3.4 (x - y) dx + (x + y) dy = 0

4. Find a particular solution of (partial integral) of the differential equation.
4.4 xy - 2y = 2x4, y (1) = 0.

5. Find the general solution of the differential equation.
5.4 y = y4cosx + ytgx

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