Question

Calcule log 3 27/9 é igual a ?​

Answer 1

Vamos utilizar a definição de logaritmo:

$\log_{_3}\dfrac{27}{9}~=~x\\\\\\\dfrac{27}{9}~=~3^x\\\\\\3~=~3^x\\\\\\3^1~=~3^x\\\\\\3\!\!\!\backslash^1~=~3\!\!\!\backslash^x\\\\\\\boxed{x~=~1}$