fun-lim

Question: If $f(x)=\log \frac{1+x}{1-x}$, then $f(x)$ is



1) Even function
2) $f({{x}_{1}})f({{x}_{2}})=f({{x}_{1}}+{{x}_{2}})$
3) $\frac{f({{x}_{1}})}{f({{x}_{2}})}=f({{x}_{1}}-{{x}_{2}})$
4) Odd function
Solution: Explanation: No Explanation
Functions

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