1. Write the following statements with the factorial symbol.

1) 2 * 4 * 9 * ... * 20

2) 1 * 3 * 5 * ... * 19

2. Prove:

5! + 5 * 5! + 6 * 6! + 7 * 7! + ... + 99 * 99! = 100!

Question

Diego Blair

21 October, 19:31

+1

Answers (2)

Know the Answer?

Justice Matthews · Answer 1

Justice Matthews 21 October, 20:23

0

19 / 2^9 * 9 is a good answer

Cassius Hurley · Answer 2

2) would be equal to 19! / 2^9 * 9!

1. Write the following statements with the factorial symbol.1) 2 * 4 * 9 * ... * 202) 1 * 3 * 5 * ... * 192. Prove:5! + 5 * 5! + 6 * 6! + 7 * 7! + ... + 99 * 99! = 100!