Question

What is the intersection of the two sets?

{1,3,5,9} n (5,6,1}

Answer 1

what numbers are common to both sets?

Answer 2

5

Answer 3

what else?

Answer 4

1

Answer 5

what else?

Answer 6

nothing

Answer 7

therefore the intersection is just {1,5}

Answer 8

Correct...

Answer 9

so what is the intersection of the sets?
{1,7,8} n {5,11}
is the answer { }

Answer 10

yup

Answer 11

there's no common element so it's just a null set

Answer 12

Thank you!

Answer 13

welcome welcome ^_^