Question

If W = {positive integers} and subset Z = {positive integers divisible by 5}, what is Z′?

{1, 2, 3, 4, …}

{ }

{5, 10, 15, 20, …}

{1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 13, 14, 16, …}

Answer 1

can you see set C ....all the number seems to be divisible by 5

Answer 2

Ok, Thanks!

Answer 3

but set C is not the answer...if u thought that it is...

Answer 4

Ok, What Is It?

Answer 5

u need complement of set Z,means the numbers that are not in Z but are in universal set W here.....can u find set Z first?

Answer 6

@Deldrickg