If I(n)=int x^(n)e^(x)dx, then I(5)+5I(4...

If `I_(n)=int x^(n)e^(x)dx,` then `I_(5)+5I_(4)=`

A

(a) `4x^(4)+e^(x)+c`

B

(b) `5x^(4)e^(x)+c`

C

(c) `x^(5)e^(x)+c`

D

(d) `x^(3)e^(x)+c`

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The correct Answer is:

C

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