Respuesta :

Answer:

Correct answer:  aₙ = a₁ · 2ⁿ⁻¹

Step-by-step explanation:

Given: Geometric sequence

64, 128, 256, 512, .....

First term a₁ = 64

Second term a₂ = a₁ · 2 = 128

Third term a₃ = a₂ · 2 = a₁ · 2² = 256

Fourth term a₄ = a₃ · 2 = a₁ · 2³ = 512

...................................................

n - th term  aₙ = a₁ · 2ⁿ⁻¹

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