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what is formula of geometric sequence. The formula for a geometric sequence is a n a 1 r n - 1 where a 1 is the first term and r is the common ratio. A geometric sequence is a sequence of numbers in which the ratio between consecutive terms is constant.
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Our mission is to provide a free world-class education to anyone anywhere. What is the common ratio of the sequence below. The first part tells us the first term of the sequence.
Given the first several terms of a geometric sequence write its recursive formula.
S n a 1 1 r n 1 r r 1. A n a n 1 r o r a n a 1 r n 1. Mathematically recursive formula has two parts. A_n a_1 rn-1 There exists a formula that can add a finite geometric sequence.
