A function \(f:R\to (-1,1)\) such that \(f(x)=\frac{2^x-2^{-x}}{2^x+2^{-x}}\) the \(f(x)\) is
Q1
A function \(f:R\to (-1,1)\) such that \(f(x)=\frac{2^x-2^{-x}}{2^x+2^{-x}}\) the \(f(x)\) is
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