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Mathematics · 2026 · 1 mark
CBSE 2026 · Region 2 · Set 3 · Q1
Direction cosines of line (1-x)/0= y = z are
Direction cosines of line $\displaystyle \frac{1-x}{0}=\mathrm{y}=\mathrm{z}$ are
Official answer
(B)
$\displaystyle 0, \frac{-1}{\sqrt{2}}, \frac{-1}{\sqrt{2}}$
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CBSE Class 12 Mathematics past-paper question from the 2026 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.