Question

If A = {2, 3, 4, 5, B = {4, 5, 6, 7}, and C = 6, 7, 8, 9), (a) A UB= (b) BAC = (c) C = A=​

Answer 1

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

b. B n C ={6,7}

C. C-A ={,2,3,4,5}