Question

If A = {2, 4, 6, 8, 10} and B = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10}, what is A B?

2, 4, 6, 8, 10}

{1, 2, 2, 3, 4, 4, 5, 6, 6, 7, 8, 8, 9, 10, 10}

{1, 2, 3, 4, 5, 6, 7, 8, 9, 10}

{ }

Answer 1

A should have same numbers as B

Answer 2

A U B ? or A ∩ B ?

Answer 3

aUB

Answer 4

Then Tomas. A is right! but remember the numbers cannot be the repeated like 3, 3 , 2, 2... ok? :)

Answer 5

ok thank you!

Answer 6

You're welcome :D