Roshan Yadav posted an Question
August 30, 2020 • 04:42 am 70 points
  • IIT JAM
  • Mathematics (MA)

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

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 1 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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