here there is a linear expression in the numerator mixed with quadratic expression containing both (x^2) and x terms
try to express the linear expression in terms of the derivative of the quadratic expression and a constant.
then break the numerator into two parts.
one will be of the form [f '(x) / f(x)] , for the second part use completion of squares.
PAGE 1 BASIC INTEGRATION
PAGE 2 INTEGRATION BY SUBSTITUTION
PAGE 3 INTEGRATION BY COMPLETION OF SQUARES
PAGE 4 INTEGRATION BY PARTS
PAGE 5 INTEGRATION BY MANIPULATION OF NUMERATOR IN TERMS OF DENOMINATOR
PAGE 2 INTEGRATION BY SUBSTITUTION
PAGE 3 INTEGRATION BY COMPLETION OF SQUARES
PAGE 4 INTEGRATION BY PARTS
PAGE 5 INTEGRATION BY MANIPULATION OF NUMERATOR IN TERMS OF DENOMINATOR
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Nice explanation
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