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Evaluate: int0^(pi//2)sqrt(costheta)sin^...

Evaluate: `int_0^(pi//2)sqrt(costheta)sin^3thetadtheta`

A

`20/21`

B

`8/21`

C

`(-20)/21`

D

`(-8)/21`

Text Solution

Verified by Experts

The correct Answer is:
B
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