CBSE 2025 · Region 1 · Set 1 · Q13 · 1 mark
If $\displaystyle A=\left[\begin{array}{ccc}7 & 0 & x \\ 0 & 7 & 0 \\ 0 & 0 & y\end{array}\right]$ is a scalar matrix, then $\displaystyle y^{x}$ is equal to
Official answer
From CBSE’s own marking scheme for this paper.
(B)
$\displaystyle 1$
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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.