PutnamSuperchallengeIntegrals I: Feynman's Trick ShareIntegrals I: Feynman's Trick · Superchallenge problemEvaluate ∫01x4(1−x)3 dx\displaystyle\int_0^1 x^4(1-x)^3\,dx∫01x4(1−x)3dx.Check Show answer Walk through it step by step Practice more like this Review this concept