Summation of Products of n Numbers taken m at a time with Repetitions/Corollary/Examples

Examples of Corllary to Summation of Products of n Numbers taken m at a time with Repetitions

Example: $m = 12$

Let $m = 12$.

Then one of the summands on the right hand side is:

$\dfrac {S_1 {S_2}^3 S_5} {240}$