If cosh 2x = 199, then coth x =...

If cosh 2x = 199, then coth x =

A

`(5)/(3sqrt(11))`

B

`(5)/(6sqrt(11))`

C

`(7)/(3sqrt(11))`

D

`(10)/(3sqrt(11))`

Text Solution

Verified by Experts

The correct Answer is:

D

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