Prouve-that-R-L-2-H-2-2H-

Question Number 179737 by a.lgnaoui last updated on 01/Nov/22

$$\mathrm{P}{rouve}\:{that} \\ $$$$\mathrm{R}=\frac{\mathrm{L}^{\mathrm{2}} +\mathrm{H}^{\mathrm{2}} }{\mathrm{2H}}\:\:\:? \\ $$

Commented by a.lgnaoui last updated on 01/Nov/22

Commented by a.lgnaoui last updated on 02/Nov/22

$${Thanks}\:{Sir} \\ $$