Week 2 – Infinite geometric series

Infinite geometric series


S∞= a/1-r                    a=7,  r=0.2 or 1/5        3, 3/5, 3/25, 3/125…..





This week , I learn Infinite Geometric Series. An infinite geometric series has an infinite number of terms. To determine the sum of an infinite geometric series, we need to know a, a is the t1. Common ratio is -1 < r < 1 . The sum of the series, S∞ is : S∞=a/1-r

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