Factorial Notation (Grade 12 NSC Matric Mathematics): Flashcards

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Factorial Notation
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Meaning of n!n!

Product of all positive integers from nn down to 1

Value of 0!0!

1

Arrangements of nn different objects

n!n!

Value of 5!5!

120

Simplify n!(n−1)!\frac{n!}{(n-1)!}

nn

Factorial key on CASIO calculator

SHIFT + x!

Value of 4!4!

24

Is n!n! the same as nnn^n?

No

Does n!×m!=(n×m)!n! \times m! = (n \times m)!?

No

Value of 8!4!\frac{8!}{4!}

1,680

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