If `y=log{((1+x)/(1-x))^(1//4)}-(1)/(2)tan^(-1)x," then "(dy)/(dx)=`A. `(x)/(1-x^(2))`B. `(x^(2))/(1-x^(4))`C. `(x)/(1+x^(4))`D. `(x)/(1-x^(4))`

If `y=log{((1+x)/(1-x))^(1//4)}-(1)/(2)tan^(-1)x," then "(dy)/(dx)=`A.

1.	If `y=log{((1+x)/(1-x))^(1//4)}-(1)/(2)tan^(-1)x," then "(dy)/(dx)=`A. `(x)/(1-x^(2))`B. `(x^(2))/(1-x^(4))`C. `(x)/(1+x^(4))`D. `(x)/(1-x^(4))`
Answer» Correct Answer - B

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