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May 29, 2021 11:06 pm 30 pts
it should be discontinuous at each and every point because there are infinite number of rational and irrational no in interval (0,1) then why it's continuous at each irrational points?
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• Alka gupta
f(x) is discontinuous at every rational and irrational numbers... because in nbd of rational number infinitely many rational and irrational numbers. similarly in nbd of an irratio...