Let A = {-4, -3, -2, 0, 1, 3, 4} and R = {(a, b) ∈ A × A: b = |a|… | JEE Main 2023 Mathematics PYQ

NVAMediumJEE Main 2023 · 13 April, Shift 2Relations

Let $A = \{-4, -3, -2, 0, 1, 3, 4\}$ and $R = \{(a, b) \in A \times A : b = |a| \text{ or } b^2 = a + 1\}$ be a relation on $A$ . Then the minimum number of elements that must be added to the relation $R$ so that it becomes reflexive and symmetric, is _____.

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