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JEE Main & Advanced Mathematics Functions Question Bank Numerical Value Type Questions - Relations and Functions-I

  • question_answer
    If \[R=\{(x,y):x,y\in I\] and \[{{x}^{2}}+{{y}^{2}}\le 4\}\] is a relation in I, then the number of elements in the domain of R is

    Answer:

    5


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