Finding the 1th Order Derivative of Function 3xln(3x） on x
    Finding the 1th Order Derivative of Function xlnx; on x
    Finding the 1th Order Derivative of Function (2-4*x)^2+25*(2-100*x)^2; on x
    Finding the 1th Order Derivative of Function 120*x^3*(1-x)^7 on x
    Finding the 1th Order Derivative of Function 120*x^3+(1-x)^7 on x
    Finding the 2th Order Derivative of Function (x+2)(x+2)(x-1)^3 on x
    Finding the 1th Order Derivative of Function 2x(x+1)^5(x^2+2x+1)^2 on x
    Finding the 1th Order Derivative of Function -2(π-2x) on x
    Finding the 1th Order Derivative of Function ln(1+2x)^0.5; on x
    Finding the 1th Order Derivative of Function (x^3+x^2+2)/[x*(x-1)^2] on x
    Finding the 1th Order Derivative of Function (x^3+x^2+2)/[x*(x+1)^2] on x
    Finding the 1th Order Derivative of Function x^3+x^2+2/x*(x+1)^2 on x
    Finding the 1th Order Derivative of Function 15*tanh(0.2*x)-5*tanh(0.3*x-15)+5*tanh(0.2*x-18) on x
    Finding the 1th Order Derivative of Function 4^x*exp（x）/（2*ln（2）+1） on x
    Finding the 1th Order Derivative of Function 4^x*exp（x） on x
    Finding the 1th Order Derivative of Function l1sin(-69)cos(w13t+w14t) on t
    Finding the 1th Order Derivative of Function x^x+1÷x^x; on x
    Finding the 1th Order Derivative of Function xx+xx-1; on x
    Finding the 2th Order Derivative of Function x^(2/3)*(x-2)^2 on x
    Finding the 1th Order Derivative of Function lsin(-69+w13t）+lsin(wt) on t

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