Prove that A-(A intersection B)= A-B
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let us take A= {1234} B={3456}
Now A intersection B = {34}
required to prove :-
{1234}-{34}={12}
Now by taking their cardinal numbers we get ;-
4-2=2
2=2
hence proved
Now A intersection B = {34}
required to prove :-
{1234}-{34}={12}
Now by taking their cardinal numbers we get ;-
4-2=2
2=2
hence proved
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