Three Dimensional Geometry

Bihar Board Class 12 · Mathematics · 89 past questions

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1. Q43 2024 Set D2024 Set J2016

   The direction ratios of two straight lines are $l,m,n$ and $l_1,m_1,n_1$. The lines will be perpendicular to…

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2. Q80 2016

   The lines $\frac{x-1}{l}=\frac{y+2}{m}=\frac{z-4}{n}$ and $\frac{x+3}{2}=\frac{y-4}{3}=\frac{z}{6}$ are…

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