dasharia
10.09.2019 •
Mathematics
What is the explicit formula for this gemoetric sequence 8 4 2 1
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Ответ:
an = 8·(1/2)^(n-1)
Step-by-step explanation:
The first value is a1 = 8 and the common ratio is r = 1/2, so the formula is ...
an = a1·r^(n-1)
an = 8·(1/2)^(n-1)
an = 2^(4-n) . . . . . . more compact version
Ответ:
are there any other details that you didnt include?