Posted by susan on Sunday, June 16, 2013 at 7:31pm.
find a point on the curve x^3 + y^3 =2xy other than the origin at which tangent line is horizontal

calculus  Damon, Sunday, June 16, 2013 at 8:07pm
3 x^2 + 3 y^2 dy/dx = 2 x(dy/dx) + 2 y

can not type answer but  Damon, Sunday, June 16, 2013 at 8:10pm
look for where dy/dx = 0
I can not do it for you

calculus  Damon, Sunday, June 16, 2013 at 8:11pm
at that point y = 3 x^2 / 2
plug that back in
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