Question Number 214205 by MathematicalUser2357 last updated on 01/Dec/24
$${f}\left({x}+\sqrt{{x}^{\mathrm{2}} +\mathrm{1}}\right)={x}−\sqrt{{x}^{\mathrm{2}} +\mathrm{1}} \\ $$$${f}\left(\mathrm{2}\right)+{f}\left(\mathrm{3}\right)+{f}\left(\mathrm{6}\right)=? \\ $$
Answered by golsendro last updated on 01/Dec/24
$$\:\:\:\:\underline{\underbrace{\:}} \underline{ }\mathrm{x}^{\mathrm{2}} +\mathrm{1} \\ $$