CBSE 2026 · Region 1 · Set 2 · Q6 · 1 mark
The value of p for which vectors $\displaystyle \hat{\mathrm{i}}+2 \hat{\mathrm{j}}+3 \hat{\mathrm{k}}$ and $\displaystyle 2 \hat{\mathrm{i}}-\mathrm{p} \hat{\mathrm{j}}+\hat{\mathrm{k}}$ are perpendicular to each other is
Official answer
From CBSE’s own marking scheme for this paper.
(C)
$\displaystyle \frac{5}{2}$
Vector AlgebraProduct of Two VectorsApplymcqeasy
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CBSE Class 12 Mathematics past-paper question from the 2026board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.