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**1. Homework Statement**

If the divergence of a vector field is zero, I know that that means that it is the curl of some vector. How do I find that vector?

**2. Homework Equations**

Just the equations for divergence and curl. In TeX:

[tex]\nabla\cdot u=\frac{\partial u_x}{\partial x}+\frac{\partial u_y}{\partial y}+\frac{\partial u_z}{\partial z}[/tex]

and the equivalent for curl.

**3. The Attempt at a Solution**

I really don't know at all how to find an answer.

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