Asked by susan

find a point on the curve x^3 + y^3 =2xy other than the origin at which tangent line is horizontal
Answered by Damon
3 x^2 + 3 y^2 dy/dx = 2 x(dy/dx) + 2 y
Answered by Damon
look for where dy/dx = 0
I can not do it for you
Answered by Damon
at that point y = 3 x^2 / 2
plug that back in