tgcattle
tgcattle tgcattle
  • 05-03-2020
  • Mathematics
contestada

Formulate the recursive formula for the following geometric sequence.
{-16, 4, -1, ...)

Respuesta :

oladipupog80
oladipupog80 oladipupog80
  • 09-03-2020

Answer:

= -16 × (-¼) ∧ n-1

Step-by-step explanation:

{-16, 4, -1, ...)

the sequence first term is -16

a= -16

Common ratio (r) = T2 ÷ T1 = T3 ÷ T2

r = 4÷ -16 = -1 ÷ 4

r = -1/4

Formula for nth term

Tn = ar∧n-1

Tn = -16 × -1/4 ∧ n-1

Tn = -16 × (-¼) ∧ n-1

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