CBSE 2026 · Region 3 · Set 1 · Q10 · 1 mark
$\displaystyle \int \frac{\mathrm{dx}}{2^{\mathrm{x}}+2^{-\mathrm{x}}}$ is equal to :
Official answer
From CBSE’s own marking scheme for this paper.
(C)
$\displaystyle \frac{\tan ^{-1}\left(2^{\mathrm{x}}\right)}{\log 2}+\mathrm{C}$
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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.