Ankur Rao Asked a Question
November 27, 2020 7:05 pmpts 30 pts
S = { (x,y) : x^2 + y^2 not equal to 1 } then S is closed or open
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  • Ankur Rao
    then set x^2 + y^2 = 1 should be closed
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  • Ankur Rao
    then x^2 + y^2= 1 should be closed set
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  • Sonu Best Answer
    answer
    • cropped4768276214006411981.jpg
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    Ankur Rao
    then set x^2 + y^2 = 1 should be closed