Question 1025960
{{{system(x=3+y,p=xy)}}}


{{{p=(3(y+3))y}}}


{{{p=(3y+9)y}}}


{{{p=3y^2+9y}}}


---Differentiate p.....
{{{dp/dy=2*3y+9}}}


{{{dp/dy=6y+9}}}


{{{6y+9=0}}}


{{{2y+3=0}}}


{{{2y=-3}}}


{{{highlight(y=-3/2)}}} corresponding to {{{x=3+(-3/2)=6/2-3/2=highlight(3/2=x)}}}.