E
Editor
Sep 18, 2022
$A-B=A$ is only true, when
Difficulty: Easy
A:
$A=\phi$
B:
If $A$ and $B$ are equal
C:
$A$ and $B$ are disjoint set
D:
None of the above
ID: 63273dbaca83163ac3a12fef
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$A=\phi$
If $A$ and $B$ are equal
$A$ and $B$ are disjoint set
None of the above