Three Dimensional Geometry

Bihar Board Class 12 · Mathematics · 89 past questions

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1. Q35 2024 Set D2024 Set J2018

   The equation of the xy-plane is…

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2. Q67 2018

   The direction Cosines of y axis are…

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3. Q68 2018

   If two planes $-2x - 4y + 3z = 5$ and $x + 2y + \lambda z = 12$ are perpendicular to each other, then…

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4. Q69 2018

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

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5. Q70 2018

   Prove by direction numbers, that the points $(1,-1,3)$, $(2,-4,5)$ and $(5,-13,11)$ are in a straight line.

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