CBSE 2024 · Region 2 · Set 3 · Q1 · 1 mark
If $\displaystyle y=\cos ^{-1}\left(e^{x}\right)$, then $\displaystyle \frac{d y}{d x}$ is :
Official answer
From CBSE’s own marking scheme for this paper.
(D)
$\displaystyle -\frac{1}{\sqrt{e^{-2 x}-1}}$
Continuity and DifferentiabilityExponential and Logarithmic FunctionsApplymcqmedium
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CBSE Class 12 Mathematics past-paper question from the 2024board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.