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| We have singularity at point "1".Then from [wikipedia:][1] int = Integrate[1/(x - 1), {x, 0, 1 - e}, Assumptions -> e >= 0] + Integrate[1/(x - 1), {x, 1 + e, 3}, Assumptions -> e >= 0] Limit[int[[1]], e -> 0, Direction ->... |