PutnamSuperchallengeIntegrals I: Feynman's Trick ShareIntegrals I: Feynman's Trick · Superchallenge problemFind the minimum of x2+2x2+1\dfrac{x^2 + 2}{\sqrt{x^2 + 1}}x2+1x2+2 over all real xxx.Check Show answer Walk through it step by step Practice more like this Review this concept