计算 ∫(x^4-2x^3+x^2+1)/x(x-1)² dx
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计算 ∫(x^4-2x^3+x^2+1)/x(x-1)² dx
计算 ∫(x^4-2x^3+x^2+1)/x(x-1)² dx
计算 ∫(x^4-2x^3+x^2+1)/x(x-1)² dx
答案见附图
∫(x^4-2x^3+x^2+1)dx/[x(x-1)^2]
=∫(x^4-2x^3+x^2)dx/(x^3-2x^2+x) +∫[x-(x-1)]dx/[x(x-1)^2]
=∫x^2dx+∫dx/(x-1)^2-∫dx/(x(x-1))
=x^3/3-1/(x-1)-lnx+ln(x-1)+C
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