I am trying to figure out a proof for this identity(adsbygoogle = window.adsbygoogle || []).push({});

[itex]\nabla[/itex](f/g) = (1/g^{2}) (g[itex]\nabla[/itex]f - f[itex]\nabla[/itex]g)

Any ideas?

**Physics Forums | Science Articles, Homework Help, Discussion**

Join Physics Forums Today!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

# Vector Calculus Identity

**Physics Forums | Science Articles, Homework Help, Discussion**