JEE Main 2020MathematicsSets and RelationsMediumMCQ

JEE Main 2020 — Sets and Relations Question with Solution

JEE Main 2020 (02 Sep Shift 1)

Question

If R=x, y:x, y∈Z, x2+3y2≤8 is a relation on the set of integers Z, then the domain of R-1 is

Choose an option

Show full solutionCorrect option: D
Correct answer
D−1, 0, 1

Step-by-step explanation

Given x28+y283≤1; x, y∈Z

Domain of R-1= Range of R is possible integral y-coordinates

=-1,0,1

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About this question

This is a previous-year question from JEE Main 2020, covering the Sets and Relations chapter of Mathematics. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.