导数和微分的区别,求英文解释.

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导数和微分的区别,求英文解释.

导数和微分的区别,求英文解释.
导数和微分的区别,求英文解释.

导数和微分的区别,求英文解释.
导数——derivative,denoted by f'(x)
微分——differential,denoted by df(x)
That f(x) has derivative at x is equivalent to f(x) is differentiable at x,and df(x)=f'(x)dx