Introduction to 3DHard

Question

The projections of a line segment on x, y, z axes are 12, 4, 3. The length and the direction cosines of the line segments are -

Options

A.13, < 12/13, 4/13, 3/13 >
B.19, < 12/19, 4/19, 3/19 >
C.11, < 12/11, 14/11, 3/11 >
D.None of these

Solution

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