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Let A ={-4,-3,-2,0,1,3,4,} and R ={(a,b)...

Let `A ={-4,-3,-2,0,1,3,4,}` and `R ={(a,b) in A times A : b^2=a+1}` be a reation on A ,Then the minimumnumber of elements , that must be added to the reation R so that it becomes reflexive and symmetric , is ____

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JEE MAINS PREVIOUS YEAR-JEE MAIN 2023-Question
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