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Differntiate the following functions by proper substitution.tan^(-1)[(2x)/(1-x^2)] |
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Answer» Solution :`y=TAN^(-1)frac(2x)(1-X^2)`[Put x=`tan THETA` `=tan^(-1)frac(2tantheta)(1-tan^2theta)=tan^(-1)(tan2theta)` `2theta=2tan^(-1)x` `dy/dx=2/(1+x^2)` |
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