Question

If A = {positive integers} and B = {…,−4, −3, −2, −1} what is A ∩ B?

{ }

{…, −3, −2, −1, 1, 2, 3, …}

{1, 2, 3, 4, …}

{…−3, −2, −1}

Answer 1

A∩ B means elements common in both A and B

now in B is there any positive integer ?

Answer 2

@Reemxoxo

Answer 3

No?

Answer 4

Gud so will there be any element common in A and B ?

Answer 5

No because non are positive.. right?

Answer 6

Yes

Answer 7

So A∩B will have no element Ok ?

Answer 8

Okay..

Answer 9

so it would be the empty one?

Answer 10

yes