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We can derive different reduction formul...

We can derive different reduction formulas by using integration by parts.
If `int cosec^(n)x dx=(-cosec^(n-2)x cotx)/(n-1)+A int cosec^(n-2)x dx`, then A is equal to-

A

`(1)/(n-2)`

B

`(n)/(n-2)`

C

`(n-1)/(n-2)`

D

`(n-2)/(n-1)`

Text Solution

Verified by Experts

The correct Answer is:
D
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