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【高等数学习题】dy 还是 dx ? 不要傻傻分不清楚
[高等数学学习系列] 在这个视频中, 我们讲解了已知 dx/dy = 1/y' 时, x对y的2阶导和3阶导如何推导. 这是一道高等数学初学者经常懵逼, 绕不过去的题. 主要是要理解 y', y'' 本质上是 x 的函数, 它无法直接对y求导, 需要经过中间变量 x 过渡一下.
高等数学(上)习题集54/264
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