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Ifint0^1(e^t dt)/(t+1)=a ,t h e ne v a l...

`Ifint_0^1(e^t dt)/(t+1)=a ,t h e ne v a l u a t eint_(b-1)^b(e^(-t)dt)/(t-b-1)`

A

`ae^(-b)`

B

`-ae^(-b)`

C

`-be^(-a)`

D

`ae^(b)`

Text Solution

Verified by Experts

The correct Answer is:
B
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