Asked by Sofia
is 243,81,27,9,3 a arithmetic geometric sequence or neither
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Answered by
GPT-5 mini
The sequence is geometric. Each term is one third of the previous one:
81/243 = 27/81 = 9/27 = 3/9 = 1/3.
So it’s a geometric sequence with first term a1 = 243 and common ratio r = 1/3. (Not arithmetic, since the differences are not constant.)
81/243 = 27/81 = 9/27 = 3/9 = 1/3.
So it’s a geometric sequence with first term a1 = 243 and common ratio r = 1/3. (Not arithmetic, since the differences are not constant.)
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