CBSE 2026 · Region 2 · Set 1 · Q15 · 1 mark
Direction cosines of the line given by equations : $\displaystyle \frac{2 x-1}{4}=\frac{1-\mathrm{y}}{3}=\frac{-\mathrm{z}}{6}$ are
Official answer
From CBSE’s own marking scheme for this paper.
(B)
$\displaystyle \frac{2}{7}, \frac{-3}{7}, \frac{-6}{7}$
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.