I need to prove this by induction and I'm lost on how to even start, help please?(adsbygoogle = window.adsbygoogle || []).push({});

Prove that for all positive integers k and n:

∑ j=1 through n, j(j+1)(j+2) . . . (j+k-1) = n(n+1)(n+2) . . . (n+k) / (k+1)

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

Dismiss Notice

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: Prove by induction

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