Question

A = { 1, 2, 3, 4,5}, B = {4,5,6,7}, Find A-B, B-A.
Are they equal ? And find AUB, ADB​

Answer 1

A - B = {1,2,3}

B - A = {6,7}

A U B = { 1,2,3,4,5,6,7}

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Answer 2

Answer:

A - B = {1,2,3}

B - A = {6,7}

A U B = { 1,2,3,4,5,6,7}