Lecture 9

Learning objectives

After this class, you should be able to:

1. Determine a closed form expression for a sum, using integrals.
2. Determine a closed form expression for a sum, using the expand and contract method.

Reading assignment

1. Sec 2.5 - methods 4 and 5.
2. None.

Exercises and review questions

• Questions on current lecture's material
  1. Determine a closed form expression for the sum of the cubes of the first n positive integers, using the method of integrals.
  2. Determine a closed form expression for the sum of the cubes of the first n positive integers, using the expand and contract method.

• Questions on next lecture's material
  1. None.