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Sometimes we can integrate rational functions by using the method of completing square in denominator and then integrating usubstitution o. Learn why this is so see worked examples.
Examples of calculating definite integrals polynomials using the fundamental theorem calculus and reverse power rule. An indefinite integral of a sum is the same as integrals component parts. In differential calculus we learned that the derivative of ln(x) is 1/x.
Constants can be "taken out" integrals. More free lessons at. Integration goes other way.
Example using integration by parts. Introduction to integration by parts (kind of the reverseproduct rule). Graphs of indefinite integrals.