Subjects/Calculus II/Infinite intervals/Formula9.1. Infinite intervalsFormulaIn 9.1. Infinite intervalsFormulaCopy LaTeX∫−∞bf(x)dx=a→−∞lim∫abf(x)dxVariablesxVariable independiente (variable de integración)aConstant real (a menudo a>0)bConstant realfFunción integrandodxDiferencial respecto de xRelated formulasRelatedFormula∫a∞f(x)dx=b→∞lim∫abf(x)dxOpen formulaOpen in sectionRelatedFor both infinite endpoints, we choose a point c:∫−∞∞f(x)dx=∫−∞cf(x)dx+∫c∞f(x)dx.Open formulaOpen in section