Question

Let A = { 1, 2, 4, 5, 10, 20 } and B = { 1, 2, 3, 4, 6, 12 }. Find (i) A – B (ii) A∩B (iii) AᴜB​

Answer 1

A = { 1, 2, 4, 5, 10, 20 }

B = { 1, 2, 3, 4, 6, 12 }

A – B = {5 , 10 , 20}

A∩B = {1, 2, 4}

AᴜB = {1 , 2 , 3, 4, 5, 6, 10, 20}