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यदि int x^(2) .e ^(-2x) dx = e^(-2x) ...

यदि ` int x^(2) .e ^(-2x) dx = e^(-2x) (ax^(2) + bx+ c)+d` है , तो -

A

` a= -(1)/(2) , b = -(1)/(2) , c=- (1)/(4)`

B

` a= -(1)/(2) , b= -(1)/(2) , c= (1)/(4)`

C

` a = - (1)/(2) , b= -1, c = - (1)/(2)`

D

` a=1 , b=1 , c= - (1)/(2)`

लिखित उत्तर

Verified by Experts

The correct Answer is:
A
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