CBSE 2024 · Region 2 · Set 1 · Q17 · 1 mark
If $\displaystyle F(x)=\left[\begin{array}{ccc}\cos x & -\sin x & 0 \\ \sin x & \cos x & 0 \\ 0 & 0 & 1\end{array}\right]$ and $\displaystyle [F(x)]^{2}=F(k x)$, then the value of $\displaystyle k$ is :
Official answer
From CBSE’s own marking scheme for this paper.
(B)
$\displaystyle 2$
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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.