微积分中凑微分法和倒代换有什么差别啊这个问题好像有点问题,但是我就是搞不懂啊.凑微分的例子是∫ sinxcosxdx = ∫sinxdsinx.到,倒代换的例子是令x = 1/y、dx = - 1/y^2 dy∫ 1/[x(1 + x^8)] dx= ∫ y/(1 +
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![微积分中凑微分法和倒代换有什么差别啊这个问题好像有点问题,但是我就是搞不懂啊.凑微分的例子是∫ sinxcosxdx = ∫sinxdsinx.到,倒代换的例子是令x = 1/y、dx = - 1/y^2 dy∫ 1/[x(1 + x^8)] dx= ∫ y/(1 +](/uploads/image/z/4061428-52-8.jpg?t=%E5%BE%AE%E7%A7%AF%E5%88%86%E4%B8%AD%E5%87%91%E5%BE%AE%E5%88%86%E6%B3%95%E5%92%8C%E5%80%92%E4%BB%A3%E6%8D%A2%E6%9C%89%E4%BB%80%E4%B9%88%E5%B7%AE%E5%88%AB%E5%95%8A%E8%BF%99%E4%B8%AA%E9%97%AE%E9%A2%98%E5%A5%BD%E5%83%8F%E6%9C%89%E7%82%B9%E9%97%AE%E9%A2%98%2C%E4%BD%86%E6%98%AF%E6%88%91%E5%B0%B1%E6%98%AF%E6%90%9E%E4%B8%8D%E6%87%82%E5%95%8A.%E5%87%91%E5%BE%AE%E5%88%86%E7%9A%84%E4%BE%8B%E5%AD%90%E6%98%AF%E2%88%AB+sinxcosxdx+%3D+%E2%88%ABsinxdsinx.%E5%88%B0%2C%E5%80%92%E4%BB%A3%E6%8D%A2%E7%9A%84%E4%BE%8B%E5%AD%90%E6%98%AF%E4%BB%A4x+%3D+1%2Fy%E3%80%81dx+%3D+-+1%2Fy%5E2+dy%E2%88%AB+1%2F%5Bx%281+%2B+x%5E8%29%5D+dx%3D+%E2%88%AB+y%2F%281+%2B)
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