# Math Help - How does one prove this identity?

1. ## How does one prove this identity?

$\nabla\cdot[v(x\cdotv)]=\nabla(\frac{1}{2}v^2x)-\frac{1}{2}v^2+v\cdot(x\timesw$

2. Originally Posted by thefrog
$\nabla\cdot[v(x\cdotv)]=\nabla(\frac{1}{2}v^2x)-\frac{1}{2}v^2+v\cdot(x\timesw$
$Latex error\to correct formatting\to help received$