Question

dados log 2=x e log 3=y , Determine: log 5

Answer 1

log5 = log10/2 = log10 - log2 = 1 - x

Answer 2

Log 2 = x
Log 3 = y

log 5 = log 10/2

log 10 = 1
log 2 = x

log 10/2 = log 10 - log 2 (propriedade logaritmo do quociente)

log 5 = 1 - x