Question

0!=1
give expalnation​

Answer 1

Answer:

A zero factorial is a mathematical expression for the number of ways to arrange a data set with no values in it, which equals one. In general, the factorial of a number is a shorthand way to write a multiplication expression wherein the number is multiplied by each number less than it but greater than zero

Answer 2

Answer:

As we know if something is not there it means It has a hidden 1

We can show 0! in the form a general factorial hence its value is one