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If "cosech"^(-1) ((sqrt(1-x^(2)))/(x))=k...

If `"cosech"^(-1) ((sqrt(1-x^(2)))/(x))=ktanh^(-1)(x)` then k =

A

1)2

B

2)`(1)/(2)`

C

3)1

D

`4)-1`

Text Solution

Verified by Experts

The correct Answer is:
C
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