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Integral of (x + 1)/(x(1 + xe^x)^2)

The same question, asked 4 times: 9 May 2023 S2, 11 May 2023 S2, 9 May 2024 S1, 13 Apr 2026 S2. Every wording below, oldest first.

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  1. Question 1

    9 May 2023 S2

    102
    The value of ∫x+1x(1+xex)2 dx\int \frac{x+1}{x(1+xe^x)^2}\,dx is equal to

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  2. Question 2

    11 May 2023 S2

    103
    ∫x+1x(1+xex)2 dx=\int\frac{x+1}{x(1+xe^x)^2}\,dx =

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  3. Question 3

    9 May 2024 S1

    135
    ∫(x+1)x(1+xex)2 dx=\int\frac{(x+1)}{x(1+xe^x)^2}\,dx = A

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  4. Question 4

    13 Apr 2026 S2

    78
    ∫(x+1)x(1+xex)2 dx=\displaystyle\int\dfrac{(x + 1)}{x(1 + xe^x)^2}\,dx =

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