Question

Qual a razão das seguintes PG? a) (7, 21, 63 ...) b) (1/3, 1, 3 ...) c) (6, 12, 24, 48 ...)

Answer 1

Explicação passo-a-passo:

a) (7, 21, 63 ...)

q=a2/a1

q=21/7

q=3

b) (1/3, 1, 3 ...)

q=a2/a1

q=1/(1/3)

q=3

c) (6, 12, 24, 48 ...)

q=a2/a1

q=12/6

q=2