lines x = ay − 1 = z − 2 and x = 3y − 2 = bz − 2, (ab ≠ 0) … | CGP Edu

Maths Coordinate Geometry (3D) JEE Main 2021 - ( Three Dimensional Geometry ) Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: August 13, 2026

lines x = ay − 1 = z − 2 and x = 3y − 2 = bz − 2, (ab ≠ 0) are coplanar, if :

A

b = 1, a ∈ R − {0}

B

a = 1, b ∈ R − {0}

C

a = 2, b = 2

D

a = 2, b = 3

Text Solution

Verified by Experts

The correct answer is:

lines are Co-planar

b = 1, a ∈ R − {0}

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