Previous in Relation and Functions Next in Relation and Functions | ||
Question Number 162509 by mathmax by abdo last updated on 30/Dec/21 | ||
![]() | ||
$$\mathrm{find}\:\sum_{\mathrm{n}=\mathrm{1}} ^{\infty} \:\frac{\left(−\mathrm{1}\right)^{\mathrm{n}} }{\mathrm{n}^{\mathrm{3}} \left(\mathrm{2n}+\mathrm{1}\right)^{\mathrm{4}} } \\ $$ | ||