导数公式默诵练习 nx X结束 ((xC) =0 m ) = mx m−1 (cos (sin(ax) =−cos sin xx x ) =a x (e ln a x ) =e x 2 1 ) 1 ( x x  =− 2 1 ) 1 ( x x  =− x x 2 1 ( ) = x x 2 1 ( ) = x a xa ln 1 (log ) = x a xa ln 1 (log ) = x x 1 (ln ) = x x 1 (ln ) = 导数公式默诵练习