Question-164466

Question Number 164466 by Zaynal last updated on 17/Jan/22

Commented by Zaynal last updated on 17/Jan/22

$$\left(\mathrm{xy}\right)^{\mathrm{2}} \:+\left({yz}\right)^{\mathrm{2}} +\left(\boldsymbol{{zx}}\right)^{\mathrm{2}} =\mathrm{1} \\ $$