What are the values of a, and r of the geometric series?

1+3+9 + 27 + 81

0 2 = 1 and ra

0 a, - and r-1

O Q4 - 1 and r-3

O

a. - 3 and r - 1

Question

9 January, 22:15

+3

Answers (1)

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Kelsie Garner · Answer 1

Step-by-step explanation:

First term a = 1

common ratio r = 3/1=9/3=27/9=81/27 = 3

Hence,

a = 1 & r = 3

What are the values of a, and r of the geometric series?1+3+9 + 27 + 810 2 = 1 and ra0 a, - and r-1O Q4 - 1 and r-3Oa. - 3 and r - 1