Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.
For instance $p(x,y):=(x^2+y^2) (y-x^2)^2 $$f(x,y):= (y-x^2)^2 $.
For instance $p(x,y):=(x^2+y^2) (y-x^2)^2 $.
For instance $f(x,y):= (y-x^2)^2 $.
