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Partial fractions with a repeated linear factor, such as 1/((x - a)^2 (x - b))

This type of question, asked 3 times: May 2022 S1, 11 May 2023 S1, 14 May 2026 S2. All 3 questions below, oldest first.

Try each one first, then open its answer.

  1. Question 1

    May 2022 S1

    The question involves an indefinite integral shown as an image.
    131
    ∫3x−2(x+1)(x−2)2 dx=\displaystyle\int \dfrac{3x-2}{(x+1)(x-2)^2}\,dx = (where CC is a constant of integration)

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  2. Question 2

    11 May 2023 S1

    101
    ∫x dx(x−1)2(x+2)=\int \frac{x\,dx}{(x-1)^2(x+2)} =

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  3. Question 3

    14 May 2026 S2

    79
    The value of the integral ∫dxx4+x3\displaystyle\int\dfrac{dx}{x^4 + x^3} is

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