Question Number 187254 by mnjuly1970 last updated on 15/Feb/23
Answered by MJS_new last updated on 15/Feb/23
$${c}={a}+{b}\:\Rightarrow\:{E}=\frac{\mathrm{2}\left({a}^{\mathrm{2}} +{ab}+{b}^{\mathrm{2}} \right)^{\mathrm{2}} }{{ab}}>\mathrm{0} \\ $$