CBSE 2025 · Region 4 · Set 1 · Q4 · 1 mark
If $\displaystyle y=\sin ^{-1} x$, then $\displaystyle \left(1-x^{2}\right) \frac{d^{2} y}{d x^{2}}$ is equal to :
Official answer
From CBSE’s own marking scheme for this paper.
(A)
$\displaystyle x \frac{d y}{d x}$
Continuity and DifferentiabilitySecond Order DerivativeApplymcqmedium
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CBSE Class 12 Mathematics past-paper question from the 2025board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.