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Which of the following function is even ...

Which of the following function is even function

A

`f(x)=(a^x+1)/(a^x-1)`

B

`f(x)=x((a^x-1)/(a^x+1))`

C

`f(x)=(a^x -a^(-x))/(a^x + a^(-x))`

D

f(x) = sin x

Text Solution

Verified by Experts

The correct Answer is:
B
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