Class 12 Relations And Functions · Mcq Single Correct1 Markstypes_of_functions
Class 12 Maths · Relations And Functions · Mcq Single Correct #122
Let \(L\) be all straight lines in a plane. Define \(lRm\iff l\perp m\). Then \(R\) is
(A) Reflexive
(B) Symmetric
(C) Transitive
(D) None of these
✅ Step-by-Step Solution
Final Answer: Option (B): Symmetric
Perpendicularity is symmetric, is not reflexive, and is not transitive: l perpendicular to m and m perpendicular to l would require l perpendicular to itself.
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