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19-09-2019
Mathematics

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Find an explicit formula for the arithmetic sequence 81,54, 27,0

Find an explicit formula for the arithmetic sequence 8154 270 class=

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19-09-2019

Answer:

[tex]a(n) = a(n - 1) - 27[/tex]

The nth number is the previous one minus 27.

54 = 81 - 27

27 = 54 - 27

0 = 27 - 27

And so on....

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