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d^2y/dx^2如何计算

更新时间： 2020-11-11 00:00:00

d^2y/dx^2=d/dx(dy/dx)=d/dt(dy/dx)/(dx/dt)。代入求导得到就是导数y'即dy/dx，再进行平方得到结果，如果是二次导数，就再进行一次求导。

原因解释

关键词： 2y dx 如何计算

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