求积分:∫(x^3+1/x^3-x^2)dx

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求积分:∫(x^3+1/x^3-x^2)dx
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求积分:∫(x^3+1/x^3-x^2)dx
求积分:∫(x^3+1/x^3-x^2)dx

求积分:∫(x^3+1/x^3-x^2)dx
∫(x^3+1)dx/(x^3-x^2) = ∫(x^3-x^2+x^2+1)dx/(x^3-x^2)
= ∫[1+(x^2+1)/(x^3-x^2)]dx
= ∫[1+2/(x-1)-1/x-1/x^2]dx
= x+2ln|x-1|-ln|x|+1/x+C