Home Maths Coordinate Geometry (3D) Distance,Distance from Origin,Angle The angle between the lines whose direction …
Maths Coordinate Geometry (3D) Distance,Distance from Origin,Angle Single Correct MCQ
Published on: August 12, 2026

The angle between the lines whose direction cosines are connected by the relations and , is

A
B
C
D
None of these

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The correct answer is:
B

Eliminating n, we have

When then

When then

Direction ratios are 1, – 2, 1 and 1, 1, – 2.

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