Permutation
Grade 10 Math
Algebra
This video explains permutation and shows how to find the permutations of n objects taken r at a time.
Math Video Central
This website provides tutorial videos on Algebra, Geometry, Trigonometry, Pre-Calculus, Basic Calculus, and Statistics and Probability. The videos are for junior and senior high school students as well as for parents who would like to guide their kids in understanding their lessons in math.
