y=x^2(x-1)求导数

问题描述:

y=x^2(x-1)求导数


y=x²(x-1)
y'=(x²)'(x-1)+x²(x-1)'
=2x(x-1)+x²
=3x²-2x

y=x²(x-1)
y'=(x²)'(x-1)+x²(x-1)'
=2x(x-1)+x²×1
=2x²-2x+x²
=3x²-2x