Finding the 1th Order Derivative of Function （sinhx）^2-（cosh（2x））^2 on x
    Finding the 4th Order Derivative of Function sin(x2)+cos(2x) on x
    Finding the 1th Order Derivative of Function 8x-sinx/cos3x on x
    Finding the 1th Order Derivative of Function x/x^2+1/4 on x
    Finding the 1th Order Derivative of Function 1/tan(π/2x) on x
    Finding the 1th Order Derivative of Function 1/tanπ/2x on x
    Finding the 2th Order Derivative of Function arctanx-a/（1+ax^2） on x
    Finding the 2th Order Derivative of Function x/（ax^2+1） on x
    Finding the 4th Order Derivative of Function x/（ax^3+10） on x
    Finding the 4th Order Derivative of Function x/（ax+10） on x
    Finding the 1th Order Derivative of Function xxxxxxxx on x
    Finding the 2th Order Derivative of Function arctanx-x/（1+ax^2） on x
    Finding the 2th Order Derivative of Function arctanx-x/（1+ax） on x
    Finding the 1th Order Derivative of Function arctan((x+1)/(x-1)) on x
    Finding the 1th Order Derivative of Function arctan(x+1)/(x-1) on x
    Finding the 1th Order Derivative of Function arctanx+1/x-1 on x
    Finding the 1th Order Derivative of Function （sinhx）^2-（cosh2x）^2 on x
    Finding the 1th Order Derivative of Function （2+x）^sinx on x
    Finding the 1th Order Derivative of Function 1+x on x
    Finding the 1th Order Derivative of Function [(e^x-1)/e^x]-x/(x+1) on x

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