Binomial Theorem, Factorial, Permutations, Combination and Probability Tricks and Formulas

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Binomial Theorem

If n is a natural number that is greater than or equal to 2, then according to the binomial theorem:

Here,

Factorial

Permutations

Combinations

Important Properties

Partition Rule

Number of ways of distributing n identical things among r persons when each person may get any number of things

Probability

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