Three Dimensional Geometry

Bihar Board Class 12 · Mathematics · 89 past questions

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1. Q75 20162015

   The direction cosines of the y-axis are

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2. Q76 2016

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

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3. Q78 2016

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

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