A permutation is an ordered arrangement of objects from a group without repetitions. The number of permutations permutations of seating these five people in five chairs is five factorial. Given n 12 r 2.
The formula for a combination is.
PERMUT103 returns 720. Formula PERMUTATIONAnumber number_chosen The PERMUTATIONA function includes the following arguments. This nPr formula requires n and r values for performing calculations. The general formula is.