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Mathematics · 2025 · 1 mark
CBSE 2025 · Region 7 · Set 1 · Q14
∫ (e^x)/(√(4- e^2 x)) dx is equal to:
$\displaystyle \int \frac{\mathrm{e}^{\mathrm{x}}}{\sqrt{4-\mathrm{e}^{2 \mathrm{x}}}} \mathrm{dx}$ is equal to :
Official answer
(D)
$\displaystyle \sin ^{-1}\left(\frac{\mathrm{e}^{\mathrm{x}}}{2}\right)+\mathrm{C}$
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CBSE Class 12 Mathematics past-paper question from the 2025 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.