CBSE 2026 · Region 2 · Set 2 · Q8 · 1 mark
Direction cosines of line $\displaystyle x=\mathrm{y}=1-\mathrm{z}$ are
Official answer
From CBSE’s own marking scheme for this paper.
(B)
$\displaystyle \frac{1}{\sqrt{3}}, \frac{1}{\sqrt{3}}, \frac{-1}{\sqrt{3}}$
Three Dimensional GeometryDirection Cosines and Direction Ratios of a LineApplymcqeasy
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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.