Answers

  • Brainly User
2016-07-11T11:41:32+08:00
The geometric sequence is:

a₁,  32,  4

Where:
a₁ = ?  ; n= 1
a₂ = 32 (geometric mean);  n = 2
a₃ = 4 ;  n = 3

Common ratio:
4/32 = 1/8   

Find a₁:
a₁ = a₂ ÷ 1/8 

a₁ = 32 ÷ 1/8

a₁ = 32 ÷  8/1

a₁ = 256   ⇒  ANSWER

The complete geometric sequence:  256, 32, 4



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