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If y =(e^(x) +e^(-x))/( e^(x) - e^(-x))...

If ` y =(e^(x) +e^(-x))/( e^(x) - e^(-x)) ,then (dy)/(dx) =`

A

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

B

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

C

` (2e^(2x))/((e^(2x)-1)^(2))`

D

` (-2e^(2x))/((e^(2x)-1)^(2))`

Text Solution

Verified by Experts

The correct Answer is:
B
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