28-08-2019
Mathematics

contestada

Use the formula to evaluate the series 3-9 +27 - 81 + ...-as.

Respuesta :

mahamahmood95 mahamahmood95

28-08-2019

Step-by-step explanation:

the formula for the series is

(3)ⁿ(-1)ⁿ+¹

where

n=1,2,3,.......

Answer Link

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