Ratio Test Problem 4 (Calculus 2)

What do you do when the term of the infinite series contains several different factorials? It comes down to applying the main property of factorials, (n + 1)! = (n + 1) n!, in different ways.

Looking for a specific problem or topic? Try checking my website:

► Artist Attribution
Music By: "After The Fall"
Track Name: "Pieces"
Music Published by: Chill Out Records LLC
License: Creative Commons Attribution 4.0 International (CC BY - 4.0)