Y=(3X+2)(X^2+X-4),求导数
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/17 00:45:54
![Y=(3X+2)(X^2+X-4),求导数](/uploads/image/z/581787-27-7.jpg?t=Y%3D%283X%2B2%29%28X%5E2%2BX-4%29%2C%E6%B1%82%E5%AF%BC%E6%95%B0)
xK
0EY&JuIA E'q&tUpv,]%-
,9羛˕"
M%ah>N^jK~.?
TfO
=%ZYQ]) ɾ^o6ԁ IZӌ*he\Ѕ_9z[ )4pܺkKK0/,=|8|Fs?z>?~
Y=(3X+2)(X^2+X-4),求导数
Y=(3X+2)(X^2+X-4),求导数
Y=(3X+2)(X^2+X-4),求导数
Y=3X^3+5X^2-10X-8
Y'=3*3X^2-5*2X-10
=9X^2-10X-10
Y=(3X+2)(X^2+X-4)
y'=(3x+2)'*(x^2+x-4)+(3x+2)*(x^2+x-4)'
=3(x^2+x-4)+(3x+2)*(2x+1)
=3x^2+3x-12+6x^2+3x+4x+2
=9x^2+10x-10
或者说:
y=3x^3+3x^2-12x+2x^2+2x-8=3x^3+5x^2-10x-8
y'=3*3x^2+5*2x-10=9x^2+10x-10