MCQ
$\frac{d}{d x}\left(\sin ^{-1} 2 x\right)=$
- A$\frac{1}{\sqrt{1-4 x^2}}$
- B$\frac{2}{\sqrt{1-x^2}}$
- ✓$\frac{2}{\sqrt{1-4 x^2}}$
- D$\frac{\pi}{2}-\cos ^{-1} 2 x$
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