(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

[itex]\frac{∂ \frac{\vec{a}}{ \vec{a} . \vec{b}} }{∂\vec{a}}[/itex]

b is not a function of a

2. Relevant equations

I want to differentiate this, (the jacobian of the vector field)

dot is the Euclidean inner product.

3. The attempt at a solution

[itex]\acute{u}[/itex].v - [itex]\acute{v}[/itex].u / v^{2}doesn't seem to work

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# Homework Help: Please help me differentiate this!

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