Question 404267
{{{log (sqrt ( X/ Y^2))}}}

={{{log (( X/ Y^2))^(1/2)}}}

 = {{{(1/2)log (( X/ Y^2))}}}

={{{(1/2)(log ( X)- log(Y^2))}}}

= {{{(1/2)(log ( X)- 2(log(Y)))}}}