Question

Find B – C, if B={2, 4, 6, 8} and C={3, 4, 5, 6}

Answer 1

Solution

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Given, A={1,2,3,4}, B={2,4,6,8} and C={3,4,5,7}.

Now, B∩C={4}.

The A−(B∩C)={1,2,3}.

Answer 2

B-C=(2,4,6,8)-(3,4,5,6)

=(2,8)

because we have to remove only maching number from B or any other.