03-06-2017
Mathematics

contestada

does the following series converge or diverge 7-21+63-189

Respuesta :

03-06-2017

The common ratio is:

-21/7=63/-21=-3

So r=-3

A series only converges if r^2<1, since r^2 in this case is 9, the series diverges.

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indominus906 indominus906

03-06-2017

it is converge because it is an infinite sequence

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