Question

Find the intersection of the following sets:

A = {1, 3, 5, 7, 9, 11, 13, 15, 17, 19}
B = {x such that x is a multiple of 5}

Answer 1

N

Explanation:

no tengo una explicacion exacta: Correct option is B)

A∪B

=(1,2,3,4,5...17,18)

B′=(1,3,5,7,9...17,19,20,21...)

(A∪B)∩B′=(1,3,5,7,9..17)=A

A′∪A

=UniversaSet

=N