### Sequences & Series: Geometric Series

http://www.mindbites.com/lesson/5106-series-geometric-series-465 This 85 minute sequences & series lesson will show you how to use the general sum formula to find the nth partial sum of a geometric series as well as how to: - tell the difference between a geometric sequence and a geometric series - find the first term - the common ratio - the number of terms - use the last term formula - use a system of equations to solve problems Sample question: You have 2 parents, 4 grandparents, 8 great grandparents, etc. How many ancestors are their in 12 generations of your family? This lesson contains explanations of the concepts and 17 example questions with step by step solutions plus 7 interactive review questions with solutions. Lessons that will help you with the fundamentals of this lesson include: - 115 The 5 Basic Exponent Laws (http://www.mindbites.com/lesson/5061) - 230 Solving Quadratic Equations by Factoring (http://www.mindbites.com/lesson/5087) - 460 Geometric Sequences (http://www.mindbites.com/lesson/5117)

Length:
04:38