Direction cosines, lines and planes in 3D.
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Q1 · Three Dimensional Geometry · HARD
A line passes through the point (1, 2, 3) and is parallel to the vector 2î + 3ĵ + 6k̂. The symmetric form of the line is:
Q2 · Three Dimensional Geometry · HARD
The shortest distance between the lines (x-2)/3 = (y+1)/4 = (z-3)/2 and (x-1)/2 = (y-2)/3 = (z+1)/4 is: