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int(-pi//4)^(pi//2) e^(-x) sin x dx is ...

`int_(-pi//4)^(pi//2) e^(-x) ` sin x dx is equal to

A

`-1/2e^((-x)/2)`

B

`-(sqrt(2))/2e^((-pi)/4)`

C

`-sqrt(2)(e^((pi)/4)+e^((-pi)/4))`

D

`0`

Text Solution

Verified by Experts

The correct Answer is:
A
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