Question

. which of the following is not true? a) AuB=BuA bb)AnB=BnA c)A-B=B-A D)N1 = 0 not​

Answer 1

a)

a={3,5,7}

b={24,8}

a union b = {2,3,4,7,8}

b union b ={2,3,4,7,8}