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Mathematics, 04.12.2019 22:31 aahneise02

What is the recursive rule for this geometric sequence? 7, 21, 63, 189, …

a. a1=7; an=3⋅an−1

b. a1=7; an=13⋅an−1

c. a1=21; an=7⋅an−1

d. a1=3; an=7⋅an−1

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What is the recursive rule for this geometric sequence? 7, 21, 63, 189, …

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