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[" If "f(x)=((a+x)/(1+x))^(a+1+2x)," sho...

[" If "f(x)=((a+x)/(1+x))^(a+1+2x)," show that,"],[qquad f'(0)=a^(a+1)[2log a+(1-a^(2))/(a)]]

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If f(x)=((a+x)/(1+x))^(a+1+2x) , show that f'(0) =a^(a+1)[2log a+(1-a^(2))/(a)] .

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