求y=(x+1)(x+2)(x+3)的导数

问题描述:

求y=(x+1)(x+2)(x+3)的导数

y' = (x+1)'(x+2)(x+3)+(x+1)(x+2)'(x+3)+(x+1)(x+2)(x+3)'
=(x+2)(x+3)+(x+1)(x+3)+(x+1)(x+2)
=3x²+12x+11