Question Number 176948 by mathlove last updated on 28/Sep/22
Commented by mr W last updated on 28/Sep/22
$${what}\:{do}\:{mean}\:{with}\:\mathrm{9}!!!!\:{and}\:\mathrm{8}!!!!!? \\ $$$${can}\:{you}\:{tell}\:{a}\:{source}\:{where}\:{those} \\ $$$${notations}\:{are}\:{commonly}\:{defined}? \\ $$
Commented by mathlove last updated on 28/Sep/22
$${four}\:{and}\:{five}\:{timese}\:{facturial} \\ $$
Answered by BaliramKumar last updated on 28/Sep/22
$$!\mathrm{5}×\frac{\sqrt[{\mathrm{4}}]{!\mathrm{4}+\mathrm{8}!!!!!+\mathrm{6}!!−\mathrm{16}\:}}{\mathrm{9}!!!!} \\ $$$$\mathrm{44}×\frac{\sqrt[{\mathrm{4}}]{\mathrm{9}+\mathrm{8}×\mathrm{3}+\mathrm{6}×\mathrm{4}×\mathrm{2}−\mathrm{16}}}{\mathrm{9}×\mathrm{5}×\mathrm{1}} \\ $$$$\mathrm{44}×\frac{\sqrt[{\mathrm{4}}]{\mathrm{65}}}{\mathrm{45}} \\ $$