For three sets A, B and C, show that (i) An B= An C need not imply B = C. (i) ACB = C-BC.C - A
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Let A={1,2,3,4}
B={3,4,5,6}
C={1,3,4,7,8}.
Here,
A∩B=3,4 and B∩C=3,4
Therefore,
A∩B=A∩C, but B≠C
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