Subjects/Calculus II/Numerical integration/Left, right, and midpoint sumsSection 11.1Left, right, and midpoint sumsFormulaCopy LaTeXLn=Δxi=0∑n−1f(xi)View detail →FormulaCopy LaTeXRn=Δxi=1∑nf(xi)View detail →FormulaCopy LaTeXMn=Δxi=1∑nf(2xi−1+xi)View detail →