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Use variation of parameters to find a general solution to the differential equation given that the...

Use variation of parameters to find a general solution to the differential equation given that the functions y 1 and y 2 are linearly independent solutions to the corresponding homogeneous equation for t>0.

ty"-(t+1)y'+y=30t^2 ; y1=e^t , y2=t+1

The general solution is y(t)= ?

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