微分公式型

dy. 指、 對數之微分: (1) (ex) = ex. (2) (ln x) = 1 x. , x > 0. (3) (ln |f(x)|) = f (x) f(x). (4) ( loga x) = ( ln x ln a. ) = 1. (ln a)x. , x > 0.

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