IDZ Ryabushko Option 9 KR "Differential Equations"

IDZ Ryabushko Option 9 KR "Differential Equations"

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

Solve these differential equations.

1.9 xy′ − y = x2cosx

2.9 3extgydx = (1 + ex)sec2ydy

3.9 x3y′′ + x2y′ = 1

4.9 y′′ – 2y′ = ex(x2 + x – 3), y(0) = 2, y′(0) = 2

5.9 y′′ − 4y′ + 5y = e2x/cosx

Additional information:

Detailed solution. Designed in PDF format for easy viewing of IDZ solutions on smartphones. In MS Word (doc format) sent additionally.