# Math Help - is it possible to take this derivative?

1. ## is it possible to take this derivative?

Is it possible to take this derivative:

$\frac{\mathrm{d} }{\mathrm{d}\frac{y}{x}}\frac{2\sqrt{x^2+y^2}}{i}$

If not, any tips on how I might reach my objective by another route?

2. Originally Posted by rainer
Is it possible to take this derivative:

$\frac{\mathrm{d} }{\mathrm{d}\frac{y}{x}}\frac{2\sqrt{x^2+y^2}}{i}$

If not, any tips on how I might reach my objective by another route?