jasmyn2002 jasmyn2002

21-05-2019
Mathematics

contestada

what is the sum of the first 6 terms of geometric series
2,-6,18,-54

Respuesta :

27-05-2019

Answer:

-364

Step-by-step explanation:

First find all 6 terms.

Divide the second term by the first to get ratio n =-3

We get 2, -6, 18, -54, 162, -486

Add them all up and you get -364

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