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MHT CET Mathematics question

MathematicsThree Dimensional GeometryMHT CET

The length of the projection of the segment joining and on the line through and with d.c.s. i.e. is ........

Answer: (A)

Solution

The projection of a segment on a line with direction cosines is the dot product of the segment vector with the unit direction. Length a(x_2$ -

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Question ID VK-027178