If y=e^(ex) (ax+b), show that y^2-4y1+...

If `y=e^(ex) (ax+b)`, show that `y^2-4y_1+4y=0`

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If x=asint-bcost ,y=acost+bsint ,"p r o v et h a t" (d^2y)/(dx^2)=-...
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If y=e^(ex) (ax+b), show that y^2-4y1+4y=0
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