If the graph of the function \( f(x)=\frac{a^{x}-1}{x^{n}\left(a^{x}+1\right)} \) is symmetrical... VIDEO
If the graph of the function \( f(x)=\frac{a^{x}-1}{x^{n}\left(a^{x}+1\right)} \) is symmetrical about the \( y \)-axis, then \( n \) equals
(A) 2
(B) \( \frac{2}{3} \)
(C) \( \frac{1}{4} \)
(D) \( -\frac{1}{3} \)
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