Question

Sendo x = log5 + log8 - log4, o valor de x é:

Answer 1

x = log 5 + log 8 - log 4

x = log 5.8 - log 4

x = log 40 - log 4

x = log 40/4

x = log 10

log 10 = x

10^x = 10¹

x = 1

Espero ter ajudado.