Question

Let U = {1, 2, 3, 4, 5, 6}, A = {2, 3} and B = {3, 4, 5}.
Find A′, B′, A′∩B′, A∪B and hence show that ( A∪B)′= A′∩B′.

Answer 1

I'm going to copy paste ALL the HW!

Answer 2

A'=U-A
B'=U-B
A' intersect B' = elements in both A' and B'
AUB= A+B

Answer 3

Thank you sir

Answer 4

I thought intersect is what is unique about A and B.? ? ? ?

Answer 5

as in what do they NOT have in common

Answer 6

I don't see 2, 4, and 5 in both A and B,
I see the number 3 in A and B

Answer 7

U and A 2 3
what don't they have in common? 1 4 5 6

U and B 3 4 5
what they don't have in common? 1 2 6

Answer 8

@UsukiDoll This is America. You have a right to be wrong.