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Harman [31]
4 years ago
10

A recursive rule for a geometric sequence is a1=49;an=3an−1 . What is the explicit rule for this sequence?

Mathematics
2 answers:
Nostrana [21]4 years ago
7 0
The explicit rule for the geometric sequence is in the form,

              an = (a1)^(r -1)

where an is the nth term, a1 is the first term, and r is the common ratio. Substituting the known terms from the given above, we arrive to the explicit form of the sequence which is,

            an = 49^(3 - 1)
pashok25 [27]4 years ago
5 0

Answer:

The correct answer is, 4/9(3^n-1)

Step-by-step explanation:

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4 years ago
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kotegsom [21]
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