Question 170942
{{{2 ln(x)-5 ln(y)=ln(x^2)-ln(y^5)=ln((x^2)/(y^5))}}}



Note: {{{x>0}}} and {{{y>0}}}



Also, I've used the identities {{{y*ln(x)=ln(x^y)}}} and {{{ln(A)-ln(B)=ln(A/B)}}}