Question

quantos termos tem a pg (2,4,8...4096)?

Answer 1

Bom Dia!

Dados;

An → 4096

A1 → 2

R → a2/a1 → 4/2 = 2

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An = a1·q⁽ⁿ⁻¹⁾

4096 = 2·2⁽ⁿ⁻¹⁾

4096/2 = 2⁽ⁿ⁻¹⁾

2048 = 2⁽ⁿ⁻¹⁾

2¹¹ = 2⁽ⁿ⁻¹⁾

11 = n-1

n-1 = 11

n = 11+1

n = 12

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Att;Guilherme Lima