MCQ
$\int \frac{2 d x}{\sqrt{1-4 x^2}}=$
  • A
    $\tan ^{-1}(2 x)+c$
  • B
    $\cot ^{-1}(2 x)+c$
  • C
    $\cos ^{-1}(2 x)+c$
  • $\sin ^{-1}(2 x)+c$

Answer

Correct option: D.
$\sin ^{-1}(2 x)+c$
(D)

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