Question

qual é o valor de:
a) y= log₇ 3 · log₃ 7 · log₁₁ 5 · log₅ 11 ?

Answer 1

Mudança de base:

$\boxed{y=\frac{log3}{log7}.\frac{log7}{log3}.\frac{log5}{log11}.\frac{log11}{log5}=1}$