CBSE 2026 · Region 3 · Set 2 · Q3 · 1 mark
$\displaystyle \int \frac{\mathrm{dx}}{\sqrt{\mathrm{e}^{-2 \mathrm{x}}-1}}$ is equal to :
Official answer
From CBSE’s own marking scheme for this paper.
(C)
$\displaystyle \sin ^{-1} \mathrm{e}^{\mathrm{x}}+\mathrm{C}$
IntegralsMethods of IntegrationApplymcqmedium
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CBSE Class 12 Mathematics past-paper question from the 2026board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.