Posted by Charles on .
This is a logs question
If u=x/y^2, which expression is equivalent to log u?
1) log x + 2 log y
2) 2(log x log y)
3) 2(log x + log y)
4) log x 2 log y

Trigonometry 
Steve,
log(x/y^2) = log(x)  log(y^2)
so, (4)