Solve the following 1st order differential equations using the method of integrating factors. A) y'+2y=50e-10t ;  y(0)=40

Advanced Engineering Mathematics
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ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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Solve the following 1st order differential equations using the method of integrating factors.

A) y'+2y=50e-10t ;  y(0)=40                                                                  B) (1/x)dy/dx-(2/x^2)y=xcos⁡(x) ; x>0                                                      C) (x^2+1)dy/dx+xy=x                                                                          D) dQ/dt+(2/(10+t))Q=4 ;  t>-5 ; Q(0)=100

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