Roshan yadav Asked a Question
August 29, 2020 11:12 pmpts 70 pts
Let A bea closed subset of R, A * g, A R. Then A is (a) The closure of the interior of A (b) a countable set (c) a compact set Not open
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  • Deepak singh Best Answer
    phi (empty set ) and R (real set) are the only subset of R which is both closed and open..
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  • Deepak singh thankyou
    so , option d is correct
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  • Deepak singh
    any doubt then ask
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