Finding the 1th Order Derivative of Function e＾x-1-e＾1-x on x
    Finding the 1th Order Derivative of Function cosx*cosx on x
    Finding the 1th Order Derivative of Function sinx*sinx; on x
    Finding the 1th Order Derivative of Function e^（2x） on x
    Finding the 2th Order Derivative of Function 1/2(1+(2x)^2)arctan(2x)+8e^7 on x
    Finding the 2th Order Derivative of Function sin(12x)-cos(6x) on x
    Finding the 2th Order Derivative of Function 15e^x+x^15+7^11 on x
    Finding the 1th Order Derivative of Function e^（2x）/（1+e^（2x）） on x
    Finding the 2th Order Derivative of Function 1/8(4x+5)^2 on x
    Finding the 2th Order Derivative of Function 3x-1/9cos(9x)+ln16 on x
    Finding the 2th Order Derivative of Function x/3*e^(3x)+19sinx+17xarctan8 on x
    Finding the 1th Order Derivative of Function lnx; on x
    Finding the 1th Order Derivative of Function ln（e^（2x）/（1+e^（2x））） on x
    Finding the 2th Order Derivative of Function 2x^3-xy^2-y on x
    Finding the 2th Order Derivative of Function y+lny-e^x on x
    Finding the 1th Order Derivative of Function f（x^2-x） on x
    Finding the 4th Order Derivative of Function cosx^2 on x
    Finding the 1th Order Derivative of Function cosx^2 on x
    Finding the 4th Order Derivative of Function （1+x）/（1-x） on x
    Finding the 2th Order Derivative of Function ln（sinx/x） on x

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