Identify Integral: Identify the integral to be solved.We need to evaluate the integral of the function (3x−5)/((x−2)2) with respect to x.
Decompose Integrand: Decompose the integrand into partial fractions if possible. However, in this case, the numerator is a linear expression and the denominator is a square of a linear expression, which suggests that we should try a different approach, such as looking for a direct antiderivative or using substitution.
Use Substitution: Use substitution to simplify the integral.Let u=x−2, then du=dx. The integral becomes:∫u23(u+2)−5duSimplify the integrand:∫u23u+6−5du∫u23u+1du
Split Integral: Split the integral into two simpler integrals.∫(u23u)du+∫(u21)du∫u3du−∫u21du
Integrate Terms: Integrate each term separately.The integral of 3/u with respect to u is 3ln∣u∣, and the integral of 1/u2 with respect to u is −1/u.So we have:3ln∣u∣−1/u+C, where C is the constant of integration.
Substitute Back: Substitute back the original variable x into the antiderivative.Since u=x−2, we have:3ln∣x−2∣−x−21+C
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