jerome1239 jerome1239

07-10-2021
Mathematics

contestada

what is the sum of the infinite geometric sequence 2,-1,1/2,1/4,...?
with solution

Respuesta :

deco4949 deco4949

07-10-2021

The common ratio with the range

−

1<r< 1

the formula is

S=a11−r

We will use this formula because,

r=12

Sum

S=a11−r=21−12=4

God bless....I hope the explanation is useful...

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