Question

If A = {1, 2, 3, 6}, B = {1, 3, 4, 6} and C = {3, 4, 5, 6, 8}, then find

i) A B ∪ ii) B C ∩ iii) B – C iv) C – A​

Answer 1

A U B = {1,2,3,4,6}

B n C = {3,4,6}

B-C = { 1 }

C-A = {4,5,8}

Answer 2

Answer:

1) A U B={1,2,3,6} U {1,3,4,6}

={1,2,3,4,6}

2)B n C ={1,3,4,6} n {3,4,5,6,8}

={3,4,6}

3)B -C ={1,3,4,6} - {3,4,5,6,8}

={1}

4)C - A={3,4,5,6,8} - {1,2,3,6}

={4,5,8}

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