MCQ
$\int \frac{3 x^2+2}{x^3+2 x} d x=$
- A$\sin ^{-1}\left(x^3+2 x\right)+k$
- B$\tan ^{-1}\left(3 x^2+2\right)+k$
- C$\log \left|3 x^2+2\right|+k$
- ✓$\log \left|x^3+2 x\right|+k$
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