使用乘积法则求微分,根据该法则,ddx[f(x)g(x)] d d x [ f ( x ) g ( x ) ] 等于f(x)ddx[g(x)]+g(x)ddx[f(x)] f ( x ) d d x [ g ( x ) ] + g ( x ) d d x [ f ( x ) ...
確定! 回上一頁