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. Q75 20162015

   The direction cosines of the y-axis are

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3. Q76 2016

   l, m, n, are the direction cosines of a straight line them

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4. Q77 2016

   The distance between the points (4,3,7) and (1,-1,-5) is

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5. Q78 2016

   The direction between the points (4,3,7) and (1,-1,-5) is

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6. Q79 2016

   A line passing through (2, -1, 3) and its direction ratios are 3, -1, 2. The equation of the line is

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7. 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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8. Q81 2016

   The length of the perpendicular from the point (0,-1,3) to the plane $2x+y-2z+1=0$ his.

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