IDZ Ryabushko Option 3 KR "Differential Equations"

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Test "Differential Equations" (2 hours). 345 p.

Solve these differential equations.
1.3 x2y′ = xy + y2

2.3 lncosydx + xtgydy = 0

3.3 y′′xlnx = y′

4.3 y′′ + 6y′ + 13y = 26x – 1, y(0) = 0, y′(0) = 1

5.3 y′′ + 4y = 1/sin2x

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