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If y="cosec"^(-1)((x^(2)+1)/(x^(2)-1))+c...

If `y="cosec"^(-1)((x^(2)+1)/(x^(2)-1))+cos^(-1) ((x^(2)-1)/(x^(2)+1)),"then " (dy)/(dx)=`

A

`-2/sqrt(x^(4)-1)`

B

0

C

`2/sqrt(x^(4)-1) + 2/sqrt(x^(4) +1)`

D

`2/sqrt(x^(4) +1)`

Text Solution

Verified by Experts

The correct Answer is:
B
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