Question Number 155541 by Engr_Jidda last updated on 02/Oct/21
$${form}\:{a}\:{partial}\:{equation}\:{from}\:\frac{{x}^{\mathrm{2}} }{\mathrm{2}}+\frac{{y}^{\mathrm{2}} }{\mathrm{2}}={z}^{\mathrm{2}} \\ $$
form-a-partial-equation-from-x-2-2-y-2-2-z-2-