JEE Mains 13-Apr-2023 Shift 2 Solved Paper

Section: Mathematics

Question : 21 of 90

Marks: +1, -0

Let A={−4,−3,−2,0,1,3,4} and R={(a,b)∈A×A:b=|a|. or 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 ________

[13-Apr-2023 shift 2]

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