Express polynomials in ( n ) using falling factorials / factorials: ( n(n-1)\cdots(n-k+1) = \dfrac{n!}{(n-k)!} ).
Accedmychevron_right11thchevron_rightmathchevron_rightPermutations And Combinationschevron_rightExercise 7.1
Express polynomials in ( n ) using falling factorials / factorials: ( n(n-1)\cdots(n-k+1) = \dfrac{n!}{(n-k)!} ).