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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