Question

求y=x(x+1)(x+2)(x+3)的导数

Answer 1

详细过程如图rt所示

希望过程清晰明白……

Answer 2

y'=(x+1)(x+2)(x+3)+(x+2)(x+3)+(x+3)+(x+2)
=x^3+6x^2+11x+6+x^2+5x+6+2x+5
=x^3+7x^2+18x+17