The inverse of the function {f}: {R}\to\{ {x} \in {R} /| {x}|

Correct Answer is : 12loge1+x1−x

\frac{1}{2} \log _{e} \frac{1+x}{1-x}

\frac{1}{2} \log _{e} \frac{2+x}{2-x}

\frac{1}{2} \log _{e} \frac{1-x}{1+x}

\frac{1}{2} \log _{e} \frac{2-x}{2+x}

AP and TS EAMCET Engineering Model Paper 20

Question : 1 of 160

Marks: +1, -0

The inverse of the function f:R→{x∈R/|x|<1} given by f(x)=

ex−e−x

ex+e−x

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