MCQ
$\int \tan ^{-1} x d x=\ldots \ldots \ldots \ldots$
- A$x \tan ^{-1} x+\frac{1}{2} \log \left(1+x^2\right)$
- ✓$x \tan ^{-1} x-\frac{1}{2} \log \left(1+x^2\right)$
- C$(x-1) \tan ^{-1} x$
- D$x \tan ^{-1} x-\log \left(1+x^2\right)$
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($A$ એ સ્વૈર અચળાંક છે)