Question:
Mark $(\sqrt{)}$ against the correct answer in each of the following:
$\int \frac{2^{x}}{1-4^{x}} d x=?$
A. $\sin ^{-1}\left(2^{x}\right)+C$
B. $\left(\log e^{2}\right) \sin ^{-1}\left(2^{x}\right)+C$
C. $\left(\log e^{2}\right) \cos ^{-1}\left(2^{x}\right)+C$
D. $\log _{2}$ e) $\sin ^{-1}\left(2^{x}\right)+C$
Solution:
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