PutnamSuperchallengeIntegrals I: Feynman's Trick ShareIntegrals I: Feynman's Trick · Superchallenge problemCompute ∑n=1∞1n(n+1)(n+2)\displaystyle\sum_{n=1}^\infty \frac{1}{n(n+1)(n+2)}n=1∑∞n(n+1)(n+2)1. Express your answer as a common fraction.Check Show answer Walk through it step by step Practice more like this Review this concept