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If f(x)=loge((1-x)/(1+x)); prove that f(...

If `f(x)=log_e((1-x)/(1+x));` prove that `f(a)+f(b)=f((a+b)/(1+a b))`

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MODERN PUBLICATION-RELATIONS AND FUNCTIONS-Illustrative Example
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  3. If f(x)=loge((1-x)/(1+x)); prove that f(a)+f(b)=f((a+b)/(1+a b))

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  12. The period of x-[x] where [x] represents the integral part of x is

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  18. Let R be the set of real numbers. Define a real function f: R rarr R "...

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  19. फलन f, f(x) = {(1-x"," x lt 0),(1","x = 0),(x +1"," x gt 0):} द्वारा प...

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