Find the explicit formula for the following sequence 3, 6, 12, 24, 48, . .

wijii4 2022-09-26 Answered
Find the explicit formula for the following sequence 3, 6, 12, 24, 48, . .
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Answers (1)

Triston Donaldson
Answered 2022-09-27 Author has 10 answers
3,6,12,24,48,... is a geometric sequence with 3 as first term and subsequent terms being multiplied by 2. In a geometric sequence with a as first term and subsequent terms being multiplied by r, n t h term is given by
a r n - 1 and hence n t h term of the geometric sequence is given by
3 2 n - 1
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