Question

If A = {1, 2, 3, 4, 5, 6, 7, 8, 9} and B = {3, 6, 9, 12, 15, 18}, what is A B?

{3, 6, 9}

{1, 2, 3, 4, 5, 6, 7, 8, 9, 12, 15, 18}

{1, 2, 3, 3, 4, 5, 6, 6, 7, 8, 9, 9, 12, 15, 18}

{ }

Answer 1

join both the sets u will get B, eliminate common digits

Answer 2

ion get iht

Answer 3

just look at the digits 3,6,9 it is present in both the sets A and B, take it once only, u will get set as option B

Answer 4

@tacamry now?

Answer 5

yyesss i got it

Answer 6

nice (: