“Change may not be the guarantee of improvement, but without change there’s guarantee of no improvement” —Ashish Kumar

Direction cosines and direction ratios of a line joining two points. Cartesian and vector equation of a line, coplanar and skew lines, shortest distance between two lines. Cartesian and vector equation of a plane. Angle between (i) two lines, (ii) two planes, (iii) a line and a plane. Distance of a point from a plane.

11 Three Dimensional Geometry Lecture 1
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Three dimensional geometry lecture 2 640 x 360
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Three dimensional geometry lecture 9 640 x 360
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Three dimensional geometry lecture 10 640 x 360
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Three dimensional geometry lecture 11 640 x 360
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Three dimensional geometry lecture 12 640 x 360
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Three dimensional geometry lecture 13 640 x 360
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