CBSE 2024 · Region 5 · Set 3 · Q7 · 1 mark
Let $\displaystyle \mathrm{f}(x)=\left|\begin{array}{cc}x^{2} & \sin x \\ p & -1\end{array}\right|$, where $\displaystyle p$ is a constant. The value of $\displaystyle p$ for which $\displaystyle \mathrm{f}^{\prime}(0)=1$ is :
Official answer
From CBSE’s own marking scheme for this paper.
(D)
$\displaystyle -1$
DeterminantsMinors and CofactorsApplymcqmedium
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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.