983355 983355
  • 20-08-2022
  • Mathematics
contestada

Find a2 and a3 for the following geometric sequence:

4, a2, a3, 108

Respuesta :

Medunno13
Medunno13 Medunno13
  • 20-08-2022

Answer:

12 and 48

Step-by-step explanation:

Let a be the first term and r be the common ratio.

We know that a = 4, and that ar³ = 4r³ = 108, and thus r = 3.

Therefore

[tex]a_2=12, a_3=48[/tex]

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