If the graph of the function f(x)=(a^(x)...

If the graph of the function `f(x)=(a^(x)-1)/(x^(n)(a^(x)+1))` is symmetrical about the y-axis, then 'n' equals

A

2

B

`2/3`

C

`1/4`

D

`1/3`

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The correct Answer is:

D

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