Write an nth term rule for r=3 and a_1=4



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Write an nth term rule for r=3 and a 1 = 4

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Leslie Braun

Leslie Braun

Beginner2022-10-06Added 7 answers

If a 1 is the first term of a geometric sequence and r is the common ratio, then the n t h term a n is given by
a n = a 1 × r n - 1 = 4 × 3 n - 1

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