求导,麻烦带步骤,
来源：学生作业帮助网 编辑：六六作业网 时间：2025/01/23 11:21:25
求导,麻烦带步骤,求导,麻烦带步骤,求导,麻烦带步骤,lny=lnx*sin(3x)y''/y=(1/x)sin(3x)+lnxcos(3x)*3=(1/x)sin(3x)+3lnxcos(3x)y''=
求导,麻烦带步骤,
求导,麻烦带步骤,
求导,麻烦带步骤,
lny = lnx*sin(3x)
y'/y = (1/x)sin(3x) + lnxcos(3x)*3
= (1/x)sin(3x) + 3lnxcos(3x)
y' = [sin(3x)^lnx][(1/x)sin(3x) + 3lnxcos(3x)]
lny = lnx*sin(3x)
y'/y = (1/x)sin(3x) + lnxcos(3x)*3
= (1/x)sin(3x) + 3lnxcos(3x)
y' = [sin(3x)^lnx][(1/x)sin(3x) + 3lnxcos(3x)]