Question Number 162560 by muneer0o0 last updated on 30/Dec/21
Commented by TheHoneyCat last updated on 01/Jan/22
$${f}\:=\:{z}\:+\:{px}^{\mathrm{2}} \:+\:{qy}^{\mathrm{2}} \:+\:{xypq}\:=\:\mathrm{0} \\ $$$$\left({for}\:{thoses}\:{who}\:{had}\:{trouble}\:{reading}…\right) \\ $$$$ \\ $$$$\mathrm{It}\:\mathrm{would}\:\mathrm{be}\:\mathrm{great}\:\mathrm{to}\:\mathrm{know}\:\mathrm{what}\:\mathrm{all}\:\mathrm{of}\:\mathrm{these}\:\mathrm{varriables}\:\mathrm{are} \\ $$$$\mathrm{and}\:\mathrm{also}\:\mathrm{on}\:\mathrm{what}\:\mathrm{space}\:\mathrm{you}\:\mathrm{want}\:\mathrm{your}\:\mathrm{solutions} \\ $$