OPTIMIZATION doubt !!

Posted by Anjali on Jun 13, 2014; 7:38am
URL: http://discussion-forum.276.s1.nabble.com/OPTIMIZATION-doubt-tp7592591.html

Consider the problem Max.f(x,y)=2x^3−3y^2  subject to (3−x)^3−y^3=0
(a) Solution does not exist   (b) Solution involves complex number (c) Multiple solutions exist  
(d) Solution is x =3,y=0

Iam getting B . Please confirm .