CBSE 2024 · Region 4 · Set 3 · Q14 · 1 mark
The Cartesian equation of a line passing through the point with position vector $\displaystyle \vec{a}=\hat{i}-\hat{j}$ and parallel to the line $\displaystyle \vec{r}=\hat{i}+\hat{k}+\mu(2 \hat{i}-\hat{j})$, is
Official answer
From CBSE’s own marking scheme for this paper.
(B)
$\displaystyle \frac{x-1}{2}=\frac{y+1}{-1}=\frac{z}{0}$
Three Dimensional GeometryEquation of a Line in SpaceApplymcqmedium
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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.