(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

I'm trying to prove k*(k!)=(k+1)!-1

2. Relevant equations

3. The attempt at a solution

This is how far I've gotten:

k[k(k-1)(k-2)....1)]

**Physics Forums | Science Articles, Homework Help, Discussion**

Join Physics Forums Today!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

# Homework Help: Factorial simplifying

**Physics Forums | Science Articles, Homework Help, Discussion**