Hi guys! This video discusses about permutation. We will have the formula for the number of permitation of n things taken r at a time. We will solve several examples to illustrate the formula. Happy learning and enjoy watching! #enginerdmath #permutation Fundamental Principle of Counting •FundamentalPrincipleofCounting(Tagalog... Factorial •Factorial(Tagalog/FilipinoMath) Join this channel to get access to perks: /@enginerdmath