- #1

- 39

- 2

## Homework Statement

Given {1,2,...,n}, n is an even number. What are all the possible subsets that contain only even numbers? (Notice that ∅ is also defined as such a subset).

## Homework Equations

2

^{n}- all possibilities for group A with n objects

## The Attempt at a Solution

I think the answer is 2

^{n/2}.... to include just even numbers. Is my reasoning correct?