Question Number 179266 by mokys last updated on 27/Oct/22
$${prove}\:{that}\:\mid{z}−{w}\mid^{\mathrm{2}} +\mid{z}\:−\:\overset{−} {{w}}\mid\:=\:\mathrm{4}\:{R}\boldsymbol{{e}}\:{z}\:{Rew} \\ $$
Commented by mokys last updated on 27/Oct/22
$$\bigstar \\ $$$$ \\ $$