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Mathematics · 2024 · 1 mark
CBSE 2024 · Region 2 · Set 2 · Q7
d/(d x)[ cos ( log x+ e^x)] at x=1 is:
$\displaystyle \frac{d}{d x}\left[\cos \left(\log x+\mathrm{e}^{x}\right)\right]$ at $\displaystyle x=1$ is :
Official answer
(C)
$\displaystyle -(1+\mathrm{e}) \sin \mathrm{e}$
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CBSE Class 12 Mathematics past-paper question from the 2024 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.