Question

Se log5 = x e log3 = y, então log375 é?

Me ajudem pf!

Answer 1

$log\,375\\\\log\,(5.5.5.3)\\\\utilizando\;a\;propriedade:\;log(a\,.\,b)=log\,a+log\,b\\\\log5+log5+log5+log3\\\\x+x+x+y\\\\3x+y$

resp: log375 = 3x + y