Question Number 143113 by qaz last updated on 10/Jun/21
$$\mathrm{x}^{\mathrm{3}} =\frac{\mathrm{1}}{\mathrm{3}!}\int_{\mathrm{0}} ^{\mathrm{x}} \mathrm{f}\left(\mathrm{x}−\mathrm{t}\right)\mathrm{f}\left(\mathrm{t}\right)\mathrm{dt} \\ $$$$\mathrm{f}\left(\mathrm{x}\right)=? \\ $$
Commented by mr W last updated on 10/Jun/21
$${f}\left({x}\right)=\pm\mathrm{6}{x} \\ $$