In this study. we comment about a wrong proof. at least incomplete. of the closed Newton Cotes error formulas for integration in a closed interval [a. https://www.lightemupsequences.com/flash-pick-Tiki-Luau-Shaped-Thank-You-Cards-Tropical-Hawaiian-Summer-Party-Thank-You-Note-Cards-with-Envelopes-Set-of-12-top-super