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

If y = `(e^(x)+e^(-x))/(e^(x)-e^(-x))`then is equal to...

A

`-sech^(2)x`

B

`-cosech^(2)x`

C

`sech^(2)x`

D

`cosech^(2)x`

Text Solution

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The correct Answer is:
B
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