### Home > PC3 > Chapter 3 > Lesson 3.2.2 > Problem 3-111

3-111.

What is the difference between the values of each of the following pairs of sigma expressions? Expand each one to find out.

Expand each summation.

and

and

3-111.

What is the difference between the values of each of the following pairs of sigma expressions? Expand each one to find out.

Expand each summation.

and

and