函数y=cos(3-x)(e^x)的微分为
A、(e^x)sin(3-x)+cos(3-x)]dx
B、(e^x)sin(3-x)-cos(3-x)]dx
C、(e^x)cos(3-x)-sin(3-x)]dx
D、E^(-x)sin(3-x)+cos(3-x)]dx
发布时间:2024-06-18 20:51:41
A、(e^x)sin(3-x)+cos(3-x)]dx
B、(e^x)sin(3-x)-cos(3-x)]dx
C、(e^x)cos(3-x)-sin(3-x)]dx
D、E^(-x)sin(3-x)+cos(3-x)]dx