Maths-
General
Easy

Question

For any two sets A and B, A minus left parenthesis A minus B right parenthesis equals

  1. A
  2. A minus B
  3. A intersection B
  4. A to the power of C intersection B to the power of C

The correct answer is: A intersection B


    Now, A minus left parenthesis A minus B right parenthesis equals A minus open parentheses A minus B to the power of C close parentheses
    table attributes columnalign right left right left right left right left right left right left columnspacing 0em 2em 0em 2em 0em 2em 0em 2em 0em 2em 0em end attributes row cell equals A intersection open parentheses A intersection B to the power of C close parentheses to the power of C end cell row cell equals A intersection open parentheses A to the power of C union B close parentheses end cell row cell equals open parentheses A intersection A to the power of C close parentheses union left parenthesis A intersection B right parenthesis end cell row cell equals A intersection B end cell end table

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