A geometric sequence with a fifth term of 1/3 and a constant ratio of 1/3

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asked Dec 21, 2018 219k views

1 Answer

RupertP · Answer 1 · 2018-12-25T15:16:20+0000

We know that a 5 = 1/3 and r = 1/3
a 5 = a 1 * r^4
1/3 = a 1 * 1/3^4
1/3 = a 1 * 1/81
a 1= 1/3 : 1/81 = 1/3 * 81 = 27
Answer:
Geometric sequence is: 27, 9, 3, 1, 1/3, 1/9, 1/27,...

A geometric sequence with a fifth term of 1/3 and a constant ratio of 1/3

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