ИДЗ 11.1 – Вариант 15. Решения Рябушко А.П.

1. Find the general solution of (general integral) of the differential equation.

1.15 (cos (x - 2y) + cos (x + 2y)) y ´= secx

2. Find the general solution of (general integral) of the differential equation.

2.15 2xyy = 1 - x2

3. Find the general solution of (general integral) of the differential equation.

3.15 yx + x + y = 0

4. Find a particular solution of (partial integral) of the differential equation.

4.15 y = x (y - xcosx), y (? / 2) = 0.

5. Find the general solution of the differential equation.

5.15 xy - 2vx3y = y

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