Permutation and Combination Skill Videos

Basic Counting Principles

Using the Addition Principle

Using the Multiplicative principle

Permutation and Combination formulae

Permutating n distinct objects

Permutating r objects from n distinct objects

Permutating with identical objects

Permutating n distinct objects in a circle

Arranging in a circle where the seats are distinct

Counting Strategies

Using the "Supergroup" / "Super Unit" Strategy

Using "Case by Case" Strategy

Using the "Complements" Strategy

Using the "Slot-in" / "Insertion" Strategy

Basic Counting Principles

Using the Addition Principle

Using the Multiplicative principle

Permutation and Combination formulae

Permutating n distinct objects

Permutating r objects from n distinct objects

Permutating with identical objects

Permutating n distinct objects in a circle

Arranging in a circle where the seats are distinct

Counting Strategies

Using the "Supergroup" / "Super Unit" Strategy

Using "Case by Case" Strategy

Using the "Complements" Strategy

Using the "Slot-in" / "Insertion" Strategy

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