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log (x - 1 + sqrt(x^2 - 2x)) (x ge 2) is...

log `(x - 1 + sqrt(x^2 - 2x)) (x ge 2)` is equal to

A

`"Sinh"^(-1)( x-1)`

B

`"Sinh"^(-1)(x+1)`

C

`"Cosh"^(-1)(x-1)`

D

`"Cosh"^(-1) (x+1)`

Text Solution

Verified by Experts

The correct Answer is:
C
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