Question

Se log 5=x e log 3= y , então log de 375 será?

Answer 1

log 375 = Log (3.125) ==> Log 3 + Log5^3

Log3 + 3Log5

   y + 3.x

Answer 2

$\log{135}=\log{(3\times5^3)}=\log{3}+\log{5^3}\\\\=\log{3}+3\log{5}=y+3\cdot x=\boxed{3x+y}$