What are the values of a 1 and r of the geometric series? 1 + 3 + 9 + 27 + 81
2 answers:
Answer:
a₁ = 1; r = 3
Step-by-step explanation:
a₁ represents the first term. It is 1 in this case.
r represents the common ratio between terms. In this case it's 3 / 1 = 3.
Answer:
a1 = 1
r = 3
Step-by-step explanation:
a1 = first term = 1
r = common ratio = 2nd term/1st term
= 3/1
r = 3
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