Mark against the correct answer in each of the following:

Question:

Mark $(\sqrt{)}$ against the correct answer in each of the following:

$\int \sin ^{-1}\left(\frac{2 x}{1+x^{2}}\right) d x=?$

A. $2 x \tan ^{-1} x+\log \left|1+x^{2}\right|+C$

B. $2 x \tan ^{-1} x-\log \left|1+x^{2}\right|+C$

C. $2 x \sin ^{-1} x+\log \left|1+x^{2}\right|+C$

 

D. none of these

Solution:

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