Matéria: Matemática
Autor: viniclet
Perguntado 7 anos atrás

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Determine o décimo termo da sequência an = 7n² - 92 ? * A) 1092 B)708 C)608 D)792

Respostas

respondido por: eduardaorsilva

1

Resposta: c) a10 = 608

Explicação passo-a-passo:

an= 7n² - 92 , portanto

a1= 7·1² - 92

a1= 85 , assim

a10= 7·10²- 92

a10=7·100-92

a10= 608

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