Question

sendo log b a=4 e log b c=1 encontre o valor de:

Answer 1

Se o log b c = 1, então b = c.

log b (√a . c ) =

log b (√a . b ) =

log b √a + log b b =

log b a ^(1/2) + 1 =

1/2 . [log b a] + 1 =

1/2 . 4 + 1 =

2 + 1 =

3

Resposta: 3