CBSE 2024 · Region 4 · Set 1 · Q13 · 1 mark
Let $\displaystyle \overrightarrow{\mathrm{a}}$ be any vector such that $\displaystyle |\overrightarrow{\mathrm{a}}|=\mathrm{a}$. The value of \[|\overrightarrow{\mathrm{a}} \times \hat{\mathrm{i}}|^{2}+|\overrightarrow{\mathrm{a}} \times \hat{\mathrm{j}}|^{2}+|\overrightarrow{\mathrm{a}} \times \hat{\mathrm{k}}|^{2} \text { is }: \]
Official answer
From CBSE’s own marking scheme for this paper.
(B)
$\displaystyle 2 \mathrm{a}^{2}$
Vector AlgebraProduct of Two VectorsApplymcqmedium
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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.