- #1

Bashyboy

- 1,421

- 5

## Homework Statement

I attached the problem as a file

## Homework Equations

## The Attempt at a Solution

The way I tried to solve this was to write out a few multiplications and find a pattern. I got the right answer, but I was wondering if there was more of a precise way of doing it; or would the procedure that I used be acceptable for a first course in Discrete Mathematics?