CBSE 2023 · Region 3 · Set 1 · Q7 · 1 mark
$\displaystyle \int \frac{2 \cos 2 \mathrm{x}-1}{1+2 \sin \mathrm{x}} \mathrm{dx}$ is equal to :
Official answer
From CBSE’s own marking scheme for this paper.
(B)
$\displaystyle \mathrm{x}+2 \cos \mathrm{x}+\mathrm{C}$
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CBSE Class 12 Mathematics past-paper question from the 2023board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.