( n! = n(n-1)\cdots 1 ) for positive integer ( n ), and ( 0! = 1 ).
( \dfrac{n!}{(n-r)!} = {}^nP_r ).
11TH•Mathematics•Permutations And Combinations•Exercise 7.1
Overview
forum
Discussion & Community
menu_bookLesson...keyboard_arrow_down
Discuss theoretical concepts, mathematical formulas, and architectural foundations.
No comments yet. Be the first to start the discussion!