1.Let LLL denote the set of all straight lines in a plane. Let a relation RRR be defined by αRβ\alpha R \betaαRβ iff α⊥β\alpha \perp \betaα⊥β, where α,β∈L\alpha, \beta \in Lα,β∈L. Then RRR isa.Reflexiveb.Symmetricc.Transitived.none of theseLogin to continueOnly logged in users canattempt or see the solution.
