JacyAnn829 JacyAnn829
  • 04-01-2018
  • Mathematics
contestada

Which represents the sum of the geometric series 4+12+36+108+...+78732?

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anchitthawi
anchitthawi anchitthawi
  • 04-01-2018
Sn= a1- an r / 1-r
= 4-78732 (3) / 1-(3)
= 4-236196 / -2
= -236192 / -2
= 118,096

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