Question

Find A intersection B.
A: {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12}
B: {−2, −1, 1, 4, 7, 11}

{−2, −1, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11}

{1, 4, 7, 11}

{−2, −1, 1, 2, 3, 4, 5, 6}

{ }

Answer 1

just combine all the elements in A and B

Answer 2

??

Answer 3

i.e.

A{3,6,9,12,15,18}
B{4,8,12,16,20}

A U B {3,4,6,8,9,12,15,16,18,20}

Answer 4

oh wait..that was union

Answer 5

intersection is common elements

Answer 6

right

Answer 7

i must be drunk today

Answer 8

i'm watching you ig - lol

Answer 9

A \(\cap\) B (in my example) would be {12} because both A and B have 12

Answer 10

The intersection is what is common to both. In this case it is: 1,4,7,11