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int sec^(2) " x cosec"^(4) x dx = - (1...

`int sec^(2) " x cosec"^(4) `x dx =
`- (1)/(3) cot^(3)` x + k tan x - 2 cot x + c `rArr` k =

A

4

B

3

C

2

D

1

Text Solution

Verified by Experts

The correct Answer is:
D
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