Question:
Mark $(\sqrt{)}$ against the correct answer in each of the following:
$\int \sin ^{-1}\left(3 x-4 x^{3}\right) d x=?$
A. $3\left[x \sin ^{-1} x+\sqrt{1-x^{2}}\right]+C$
B. $3\left[x \sin ^{-1} x-\sqrt{1-x^{2}}\right]+C$
C. $\frac{3 x^{2}}{2}+C$
D. none of these
Solution:
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