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

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

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