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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