Derivative of dE=(kqz)/(z^2+R^2)^3/2 with respect to z

[s7b]

How would you find the derivative of;

dE=(kqz)/(z^2+R^2)^3/2 where k&q are constants and R=0.024 with respect to z??

 

[smallphi]

By reading your calculus textbook ...

 

[s7b]

I have but I end up with a huge mess that is definitely not right..

 

[smallphi]

It's quotent rule and chain rule. Final result is two terms that can be left separate or taken under common denominator.