Question

Let L denote the set of all straight lines in a plane. Let a relation R be defined by α R β ⇔ α ⟘ β, α, β ∈ L. Then R is
(a) reflexive (b) symmetric
(c) transitive (d) none of these

Answer 1

Step-by-step explanation:

symmetric is the answer

Answer 2

Answer:

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