What is 1! (1 factorial)?

1. 1! is defined as 1 by convention The factorial of 1 equals 1 Therefore, 1! = 1

1 — 1 factorial (1!) equals 1. See the full expansion and step-by-step calculation.

उत्तर

1! = 1 = 1

चरण-दर-चरण समाधान

1! is defined as 1 by convention

The factorial of 1 equals 1

Therefore, 1! = 1

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