rumponsuer rumponsuer

21-12-2021
Mathematics

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The general equation for the geometric sequence -1, -2, -4, ... is a n = -1 · 2 n - 1 .

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loneguy loneguy

21-12-2021

[tex]\text{First term,}~ a = -1\\\\\text{Common ratio,}~ r = 2\\\\\text{Nth term} = ar^{n-1}=-1\cdot 2^{n-1}\\[/tex]

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