Question 58817
Rules I will use:
{{{highlight(aln(x)=ln(x^a))}}}
{{{highlight(ln(x)+ln(y)=ln(xy))}}}
{{{highlight(ln(x)-ln(y)=ln(x/y))}}}
:
Write the expression as one logarithm. 
2ln(x)-4ln(1/y)-3ln(xy)
{{{ln(x^2)+ln((1/y)^(-4))-ln((xy)^3)}}}
{{{ln(x^2)+ln(y^4)-ln(x^3*y^3)}}}
{{{ln(x^2*y^4)-ln(x^3*y^3)}}}
{{{ln((x^2*y^4)/(x^3*y^3))}}}
{{{ln(y^(4-3)/x^(3-2))}}}
{{{ln(y/x)}}}
Happy Calculating!!!