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Mathematics · 2026 · 1 mark
CBSE 2026 · Region 3 · Set 3 · Q3
Direction ratios of lines l_1 and l_2 respectively are <1,0,0> and <0,-1,0>. The direction ratios of the line perpendicular to both l_1 and l_2 are:
Direction ratios of lines $\displaystyle l_{1}$ and $\displaystyle l_{2}$ respectively are $\displaystyle <1,0,0>$ and $\displaystyle <0,-1,0>$. The direction ratios of the line perpendicular to both $\displaystyle l_{1}$ and $\displaystyle l_{2}$ are :
Official answer
(B)
$\displaystyle <0, 0, -1>$
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