Am I allowed to convert vector fields to spherical coordinates to make the easier?

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For example, how would I find div F if

$$F = \left\langle \frac{x}{(x^2+y^2+z^2)^{3/2}}, \frac{y}{(x^2+y^2+z^2)^{3/2}},\frac{z}{(x^2+y^2+z^2)^{3/2}} \right\rangle $$

Could I just use spherical coordinates to make it more simple?