Question Number 19592 by ajfour last updated on 13/Aug/17
Commented by Tinkutara last updated on 13/Aug/17
$${z}_{{F}} \:=\:\frac{{ab}^{\mathrm{2}} }{{a}^{\mathrm{2}} \:+\:{b}^{\mathrm{2}} }\:+\:{i}\frac{{a}^{\mathrm{2}} {b}}{{a}^{\mathrm{2}} \:+\:{b}^{\mathrm{2}} } \\ $$
Commented by ajfour last updated on 13/Aug/17