Định Nghĩa và Ý Nghĩa của "factorial"

Factorial

the product of all positive whole numbers from 1 to a given number

factorial

giai thừa

multiplying a whole number by all the smaller whole numbers down to 1

Ví dụ

The formula for combinations includes the factorial of the number of items.

The factorial of 5 is calculated as 5!=5×4×3×2×1=120.

Factorials are essential in the binomial theorem for expanding expressions.

To solve the problem, you need to find the factorial of 7.

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