∫xdx/(x^2+2x+2)(x^2+2x-3)答案是1/20ln(x-1)(x+3)^3-1/10ln(x^2+2x+2)+1/5arctan(x+1)+c,

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∫xdx/(x^2+2x+2)(x^2+2x-3)答案是1/20ln(x-1)(x+3)^3-1/10ln(x^2+2x+2)+1/5arctan(x+1)+c,

∫xdx/(x^2+2x+2)(x^2+2x-3)答案是1/20ln(x-1)(x+3)^3-1/10ln(x^2+2x+2)+1/5arctan(x+1)+c,
∫xdx/(x^2+2x+2)(x^2+2x-3)
答案是1/20ln(x-1)(x+3)^3-1/10ln(x^2+2x+2)+1/5arctan(x+1)+c,

∫xdx/(x^2+2x+2)(x^2+2x-3)答案是1/20ln(x-1)(x+3)^3-1/10ln(x^2+2x+2)+1/5arctan(x+1)+c,