IDZ Ryabushko Option 18 KR "Differential Equations"

IDZ Ryabushko Option 18 KR "Differential Equations"

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

Solve these differential equations.

1.18 y′ − y/x = ey/x

2.18 y′ + 4xy/(x2 + 1) = 1/(x2 + 1)

3.18 y′′2 = y′2 + 1

4.18 y′′ − 4y′ + 3y = e5x, y(0) = 3, y′(0) = 9

5.18 y′′ + 4y = 2tgx

Additional information:

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