CBSE 2024 · Region 4 · Set 2 · Q14 · 1 mark
A vector perpendicular to the line $\displaystyle \vec{r}=\hat{\mathrm{i}}+\hat{\mathrm{j}}-\hat{\mathrm{k}}+\lambda(3 \hat{\mathrm{i}}-\hat{\mathrm{j}})$ is :
Official answer
From CBSE’s own marking scheme for this paper.
(B)
$\displaystyle \hat{\mathrm{i}}+3 \hat{\mathrm{j}}+5 \hat{\mathrm{k}}$
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.