Mathematics, 31.08.2019 03:30, heavenwagner

Solve by the method of variation of parameters
1 .(x+2y)²y"-(x+2)y'=2x+4
2. x²y"+2xy'-2y=x²lnx+3x

Answers: 1

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Solve by the method of variation of parameters
1 .(x+2y)²y"-(x+2)y'=2x+4
2. x²y"+2xy'-2y=x...