Relation on a Set (Jee Mains)

Sets & Relations

Medium

Relation on a Set

Let A = $\left\{ { - 3, - 2, - 1,0,1,2,3,} \right\}$ . Let R be a relation on A defined by xRy if and only if $0 \leqslant {x^2} + 2y \leqslant 4$ . Let l be the number of elements in R and m be the minimum number of elements required to be added in R to make it a reflexive relation. then ℓ + m is equal to

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