SumOfGeometricSeries.md (339B)
1 # Sum Of Geometric Series 2 3 Ch 6.1 4 5 **Definition:** The sum of the geometric series is the formula to solve a sequence of the form ab^0 + ab^1 .... ab^n. 6 7 The formula is as follows: 8 9 $S_n = \frac{a(r^n-1)}{r-1}$ 10 11 Where we have S_n the sum, a the constant, r the base of the exponential (common ratio), and n the total number of iterations.