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Mathematics · 2025 · 5 marks
CBSE 2025 · Region 6 · Set 3 · Q35
Show that the line passing through the points A (0,-1,-1) and B (4,5,1) intersects the line joining points C (3,9,4) and D (-4,4,4).
Show that the line passing through the points $\displaystyle \mathrm{A}(0,-1,-1)$ and $\displaystyle \mathrm{B}(4,5,1)$ intersects the line joining points $\displaystyle \mathrm{C}(3,9,4)$ and $\displaystyle \mathrm{D}(-4,4,4)$.
Marking-scheme solution
Drs of line passing through points A and B are $\displaystyle <4,6,2>$
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CBSE Class 12 Mathematics past-paper question from the 2025 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.