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)cos(3-x)-sin(3-x)]dx
C、(e^x)sin(3-x)+cos(3-x)]dx
D、e^(-x)sin(3-x)+cos(3-x)]dx
发布时间:2025-05-25 06:20:38
A、(e^x)sin(3-x)-cos(3-x)]dx
B、(e^x)cos(3-x)-sin(3-x)]dx
C、(e^x)sin(3-x)+cos(3-x)]dx
D、e^(-x)sin(3-x)+cos(3-x)]dx