April 2025
Intermediate to advanced
616 pages
25h 43m
English
book
Pearson JEE Main Mathematics Vol 2 – 2026 | As Per NTA Syllabus | 2021 to 2025 Solved Previous Years’ Questions | 5000+ Topic-wise, Miscellaneous and Numerical–Based ... Papers on MyInsights | 2nd Edition
by Gavesh Bharadwaj
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15 3D Geometry
CO-ORDINATES OF A POINT IN SPACE
Let O be a fixed point known as origin and let OX, OY and OZ be three mutually perpendicular lines, taken as x-axis, y-axis and z-axis respectively in such a way that they form a right-handed system.
The planes XOY, YOZ and ZOX are known as xy-plane, yz-plane and zx-plane respectively.
Let P be a point in space and distances of P from yz, zx and xy-planes be x, y, z respectively (with proper signs), then we say that co-ordinates of P are (x, y, z). Also OA = x, OB = y, OC = z.
DISTANCE BETWEEN TWO POINTS
If P(x1, y1, z1) and Q(x2, y2, z2) are two points, then distance between them PQ =
In particular, ...
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