IDZ Ryabushko Option 14 KR "Differential Equations"

IDZ Ryabushko Option 14 KR "Differential Equations"

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

Solve these differential equations.

1.14 y′ + 2xy = xe−x2

2.14 xcosy/x(ydx + xdy) = x2sin(y/x)dx

3.14 y′2 + 2yy′′ = 0

4.14 y′′ − 4y = 3xe−x, y(0) = 0, y′(0) = 0

5.14 y′′ + 4y = 1/cos2x

Additional information:

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