Question Number 216661 by MrGaster last updated on 14/Feb/25
$$\mathrm{Prove}:\langle{x}^{{m}} \rangle=\underset{\left\{{p}_{{n}} \right\}} {\acute {\sum}}\overset{{n}} {\prod}\frac{{m}!}{{p}_{{n}} !\left({n}!\right)^{{p}_{{n}} } }\langle{x}^{{n}} \rangle_{{c}} ^{{p}_{{n}} } \\ $$