Pochodna funkcji edo-x

$f\left(d, o, x\right) =$	$\mathrm{e}{\cdot}do-x$
$\dfrac{\mathrm{d}\left(f\left(d, o, x\right)\right)}{\mathrm{d}x} =$	$\class{steps-node}{\cssId{steps-node-1}{\tfrac{\mathrm{d}}{\mathrm{d}x}\kern-.25em\left(\mathrm{e}{\cdot}do-x\right)}}$ $=\class{steps-node}{\cssId{steps-node-2}{-1}}$

$f\left(d, o, x\right) =$

$\mathrm{e}{\cdot}do-x$

$\dfrac{\mathrm{d}\left(f\left(d, o, x\right)\right)}{\mathrm{d}x} =$

$\class{steps-node}{\cssId{steps-node-1}{\tfrac{\mathrm{d}}{\mathrm{d}x}\kern-.25em\left(\mathrm{e}{\cdot}do-x\right)}}$

$=\class{steps-node}{\cssId{steps-node-2}{-1}}$