Solve this following
Question:

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

$\int \frac{x^{2}}{\left(a^{6}-x^{6}\right)} d x=?$

A. $\frac{1}{3 a^{3}} \log \left|\frac{a^{3}+x^{3}}{a^{3}-x^{3}}\right|+C$

B. $\frac{1}{6 a^{3}} \log \left|\frac{a^{3}+x^{3}}{a^{3}-x^{3}}\right|+C$

C. $\frac{1}{6 a^{3}} \log \left|\frac{a^{3}-x^{3}}{a^{3}+x^{3}}\right|+C$

D. none of these

Solution:

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