Question: A factorial of an integer N (written N!) is defined as the product (multiplication) of all the numbers between 1 and N (0! = 1).

A factorial of an integer N (written N!) is defined as the product (multiplication) of all the numbers between 1 and N (0! = 1). Write a recursive function called factorial that returns the factorial of the input. Test it with the first 7 factorials.

Hint: Remember that (x * y) = (y * x), so the product of all the numbers between 1 and N is the same as the product of all the numbers between N and 1.

Create a test program project in C++

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