MCQ
If $U =\{1,2,3,4,5,6\}$ and $A =\{1,2,3,4,5,6\}$, then $A ^{\prime}$ is equal to :
  • A
    $\{0\}$
  • B
    $\{1,2,3\}$
  • $\phi$
  • D
    $\{4,5,6\}$

Answer

Correct option: C.
$\phi$
C

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