FACTORIAL - Định nghĩa trong Từ điển tiếng Anh
factorial (noun)
/fækˈtɔːriəl/
Giải nghĩa:
The factorial of a number is a product of all integers from 1 to that number. It's often used in calculations of probability.
Ví dụ:
The factorial of 5 is 120 because 5*4*3*2*1 equals 120.
factorial (adjective)
/fækˈtɔːriəl/
Giải nghĩa:
Relating to factors or factorials.
Ví dụ:
In a factorial experiment, all possible combinations of factor levels are tested.
Cách sử dụng
Factorial is a mathematical term that refers to the product of an integer (a whole number) and all of the positive integers that come before it. For example, the factorial of 5 (denoted as 5!) is equal to 5 x 4 x 3 x 2 x 1, which equals 120. Factorial is commonly used in probability and statistics, as well as in mathematics and computer science. It is often used to calculate the number of possible combinations or permutations of a set of items or events. For an English learner, it is important to understand the basic concept of factorial and how it is calculated. However, it may not be necessary to use the term in everyday conversation, as it is a technical term used mostly in academic or professional settings.
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