CSIR NET
Sonika Jain Asked a Question
September 19, 2020 9:22 pmpts 30 pts
  • CSIR NET
  • Mathematical Sciences

46. let a and b be two closed subsets of r if a+ b = (a + b, a e a, be b) then a + b isa 46. (b) compact set (a) open set (d) none of these (c) closed set

46. Let A and B be two closed subsets of R if A+ B = (a + b, a e A, be B) then A + B isa 46. (B) Compact set (A) Open set (D) None of these (C) Closed set
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  • Deepak singh
    if any doubt then ask
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    Sonika Jain
    how set a and set b are closed
  • Deepak singh thankyou
    see attached solution .. clearly option a and b cant be true for option c , see attached So, option d is true..
    • cropped4675254863337051770.jpg
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  • Chuppana tanuja
    C
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    Sonika Jain
    why dont u give explanation along with ur answer
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