设siny+e^3x-2x^3y^2=0,求dy/dx
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设siny+e^3x-2x^3y^2=0,求dy/dx
设siny+e^3x-2x^3y^2=0,求dy/dx
设siny+e^3x-2x^3y^2=0,求dy/dx
这是隐函数的求导
cosy *y' +3e^3x -6x^2 y^2 -4x^3 *y*y' =0
dy/dx=y'=(6x^2 y^2 -3e^3x )/(cosy -4x^3 y)
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