Question Number 147100 by mathmax by abdo last updated on 18/Jul/21
$$\mathrm{findA}_{\mathrm{n}} =\:\int_{\mathrm{0}} ^{\mathrm{1}} \mathrm{x}\left(\mathrm{x}+\mathrm{1}\right)\left(\mathrm{x}+\mathrm{2}\right)….\left(\mathrm{x}+\mathrm{n}\right)\mathrm{dx} \\ $$