Formula for recursive geometric sequence3/13/2024 So by the recursive formula of a geometric sequence, the n th term of a geometric sequence is,Įxample: Find a 15 of a geometric sequence if a 1 3 = -8 and r = 1/3.īy the recursive formula of geometric sequence, We know that in a geometric sequence, a term (a n) is obtained by multiplying its previous term (a n - 1) by the common ratio (r). There is another formula used to find the n th term of a geometric sequence given its previous term and the common ratio which is called the recursive formula of the geometric sequence.
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