Question

If A={5, 6, 7, 8, 9, 10 }; B = { 1, 2, 3, 4, 5,6,7}
then prove that A-(A-B)=An B.​

Answer 1

Answer:

A-B=8,9,10

A-(A-B)=5,6,7

&

A nB=5,6,7

hence proved

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