Question: Prove that for any positive integer n, n(n + 1)(2n + 1) 6 ' j-1 For any n 1, the factorial function, denoted by

Prove that for any positive integer n, n(n + 1)(2n + 1)

6 ' j-1 For any n 1, the factorial function, denoted by

Prove that for any positive integer n, n(n + 1)(2n + 1) 6 ' j-1 For any n 1, the factorial function, denoted by n!, is the product of all the positive integers through n: n!-1.2-3...(n-1)-n Prove that for n 4, n! 2".

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