Previous in Relation and Functions Next in Relation and Functions | ||
Question Number 73045 by mathmax by abdo last updated on 05/Nov/19 | ||
$${calculate}\:\:\sum_{{k}=\mathrm{0}} ^{{n}} \:\frac{{C}_{{n}} ^{{k}} }{{C}_{\mathrm{2}{n}−\mathrm{1}} ^{{k}} } \\ $$ | ||