(x^2-3)/(5x-x^3)dx积分如何求,

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(x^2-3)/(5x-x^3)dx积分如何求,(x^2-3)/(5x-x^3)dx积分如何求,(x^2-3)/(5x-x^3)dx积分如何求,∫(x^2-3)dx/(5x-x^3)=∫(1/3)(3

(x^2-3)/(5x-x^3)dx积分如何求,
(x^2-3)/(5x-x^3)dx积分如何求,

(x^2-3)/(5x-x^3)dx积分如何求,
∫(x^2-3)dx/(5x-x^3)
=∫(1/3)(3x^2-5)dx/(5x-x^3)+(-4/3)∫dx/x(5-x^2)
=(-1/3)ln|5x-3x^2|+ (-2/3)∫2xdx/[x^2 (5-x^2)]
=(-1/3)ln|5x-x^3|+(-2/3)∫dx^2/[x^2(5-x^2)]
=(-1/3)ln|5x-x^3|+(-2/15)[∫dx^2/x^2+∫dx^2/(5-x^2)]
=(-1/3)ln|5x-x^3|+(-2/15)ln|x^2|/|5-x^2|+C

像这样的题目属于基础题,建议你还是多做点练习

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