# Homework Help: Conservative field

1. Apr 30, 2006

### kidia

Can anybody help me on this question,Show whether or not the following fields are conservative:
E=y$$z^2$$$$i$$+(X$$z^2$$+2)j+(2xyz-1)k

E=-($$x^2$$-$$y^2$$)i-2xyj+4k

I dont think if am right I want to start by comparing i follow by j and z,example y$$z^2$$=-($$x^2$$-$$y^2$$)

2. Apr 30, 2006

### Stephan Hoyer

To test if a field is conservative, you can take the curl...