Partial derivative help

[jwhite86]

Hello, I'm trying to work out the partial derivative [MATH]\partial[/MATH]q / [MATH]\partial[/MATH][MATH]\sigma[/MATH], where:

q = [MATH]\surd(3J)[/MATH]
and J =

 

[Dr.Peterson]

I presume you were interrupted, and will submit the rest of the question soon.

 

[Steven G]

...along with your attempt to solve it.