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Evaluate the following : int(0)^((pi)...

Evaluate the following `:`
`int_(0)^((pi)/(2)) cos^(7) x dx `

A

`(n)/(n-1)*(n-2)/(n-3)*(n-4)/(n-5) … (pi)/(2)`

B

`(n-1)/(n)*(n-3)/(n-2)*(n-5)/(n-4)…(1)/(2) (pi)/(2)`

C

`(n)/(n-1)*(n-2)/(n-3)*(n-4)/(n-5) … (3)/(2).1`

D

`(n-1)/(n)*(n-3)/(n-2)*(n-5)/(n-4)…(2)/(3)*1`

Text Solution

Verified by Experts

The correct Answer is:
d
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