y=2(x^3)+2x,当x=-2时,请问dy/dx =多少忘了..

y=2(x^3)+2x,当x=-2时,请问dy/dx =多少忘了..
y=2(x^3)+2x,当x=-2时,请问dy/dx =多少
忘了..

y=2(x^3)+2x,当x=-2时,请问dy/dx =多少忘了..
dy/dx =6x^2+2
x=-2时,dy/dx=26

答案为10