Question

27. Sendo log: 4 = m e log4 5 = n, determine, em função de m.
en, o valor de log: 5.

Answer 1

$\boxed{log_ab=\dfrac{logb}{loga}}\\\\log_45=\dfrac{log5}{log4}\\\\log_45=n\\log4=m\\\\n=\dfrac{log5}{m}\\\\\boxed{log5=n\cdot m}$