2dx 1-4x^2 = 1. ^ -1 (2x)+c 2. ^ -1 (2x)+c 3. ^ -1 (2x)+c 4. ^ -1… - Vidyadip

Question

$\int\frac{2\text{dx}}{\sqrt{1-4\text{x}^2}}=$

$\tan^{-1}(2\text{x})+\text{c}$
$\cot^{-1}(2\text{x})+\text{c}$
$\cos^{-1}(2\text{x})+\text{c}$
$\sin^{-1}(2\text{x})+\text{c}$

✓

Answer

$\sin^{-1}(2\text{x})+\text{c}$

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