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Gokul Asked a Question
September 29, 2020 3:41 pm 30 pts
Q:-4 Which of the following statement is false: a) Let A c R. Then A is open if and only if A = A"Cinterior set of A) b) Every countable set has no limit point. c)Every element of finite set is isolated point. d) Let A cR. Interior point of A is limit point of A Q:-5 Which of the following statement is false: a) Let A c R and A is non-empty bounded above set with supA = s'and s EA. Then s is limit point of A. b) Let A c R and A is non-empty bounded below set with infA = b'and b' EA. Then b' is limit point of A c) Let A c R and A is non-empty bounded above set with supA = s'. Then s' is limit point of A. d) None of these.
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• Piyush
Q4 option B is false Q5 option C is false
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Gokul
can u give an example for isolated points Head Office :
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