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Disjoint sets

Discussion in 'Mathematics' started by geoffreymuzeka900, Apr 1, 2020.

  1. geoffreymuzeka900

    geoffreymuzeka900 New commenter

    If C and D are disjoints,simplify if possible (C U D)'
  2. maths126

    maths126 New commenter

    It's not helpful simply to give the answer! Just think about the question a different way.
    If C and D are disjoint sets, what is the meaning of C U D ?
  3. geoffreymuzeka900

    geoffreymuzeka900 New commenter

    n(C) + n(D)

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