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GenaCL600 [577]
4 years ago
11

What are the values of A1 and R of the geometric series 1 + 3 + 9 + 27 + 81

Mathematics
2 answers:
KATRIN_1 [288]4 years ago
8 0
A1 is the first term, in this case, A1 is 1
R is the ratio between adjacent numbers, in this case, R=3 because 3/1=3, 9/3=3, 27/9=3, 81/27=3
kodGreya [7K]4 years ago
3 0

Answer: a₁ = 1 and r = 3

Step-by-step explanation: took the test

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