Question

Medal...
A = {positive integers} and B = {negative integers}, what is A ∩ B?

{ }
{..., −3, −2, −1, 1, 2, 3 ...}
{1, 2, 3, 4 ...}
{...−3, −2, −1

Answer 1

intersection means common in both set

Answer 2

as one is positive and other is negative
so nothing is common so empty set

Answer 3

{ }

Answer 4

Thank You (:

Answer 5

common to both=?