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If tanh(x)=(3)/(5) then cosh(2x)=...

If `tanh(x)=(3)/(5)` then `cosh(2x)=`

A

`(15)/(8)`

B

`(15)/(17)`

C

`(8)/(17)`

D

`(17)/(8)`

Text Solution

Verified by Experts

The correct Answer is:
D
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