Mathematics · 2026
JEE Main · 8 April 2026, Shift 2 · Q1
Consider the relation R on the set {-2,-1,0,1,2} defined by ( a, b ) ∈ R if and only if 1+ ab >0. Then, among the statements: I. The number of…
Consider the relation R on the set $\displaystyle \{-2,-1,0,1,2\}$ defined by $\displaystyle (\mathrm{a}, \mathrm{b}) \in \mathrm{R}$ if and only if $\displaystyle 1+\mathrm{ab}>0$.
Then, among the statements :
I. The number of elements in R is $\displaystyle 17$
II. R is an equivalence relation
Official answer
From NTA’s final answer key for this paper.
(1)
Only I is true
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JEE Main 2026 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.