kaylamccall kaylamccall
  • 25-03-2021
  • Mathematics
contestada

how do i find r in a geometric sequence of (243, 81, 27)? also how do i find the explicit formula for this?

Respuesta :

DWRead
DWRead DWRead
  • 27-03-2021

Answer:

Step-by-step explanation:

The initial term is 243. Since it is a geometric sequence, each term is r times the preceding term.

r = 81/243 = ⅓

nth term = a₁rⁿ⁻¹ = 243(⅓)ⁿ⁻¹

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