y=2(x^3)+2x,当x=-2时,请问dy/dx =多少thanks,but its wrong

y=2(x^3)+2x,当x=-2时,请问dy/dx =多少thanks,but its wrong
y=2(x^3)+2x,当x=-2时,请问dy/dx =多少
thanks,but its wrong

y=2(x^3)+2x,当x=-2时,请问dy/dx =多少thanks,but its wrong
dy/dx=2*3x^2+2=6x^2+2
x=-2时,dy/dx=6*4+2=26

如果楼上错了，那么你的题目应该出错了。