UPSC NDA I 2015 Mathematics Solved Paper
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For the next two (2) items that follow :
A point P (1, 2, 3) is one vertex of a cuboid formed by the coordinate planes and planes passing through P and parallel to the coordinate planes.
A point P (1, 2, 3) is one vertex of a cuboid formed by the coordinate planes and planes passing through P and parallel to the coordinate planes.
[NDA I 2015]
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What is the equation of the plane passing through P (1, 2, 3) and parallel to xy-plane?
[NDA I 2015]
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