Finding the 1th Order Derivative of Function e^ysinx on x
    Finding the 2th Order Derivative of Function （2x-y）^4 on x
    Finding the 1th Order Derivative of Function e^(2x)(sinx+3cosx); on x
    Finding the 1th Order Derivative of Function e^2x(sinx+3cosx); on x
    Finding the 1th Order Derivative of Function cos（πx）/(1+x^2) on x
    Finding the 1th Order Derivative of Function cos（πx） on x
    Finding the 1th Order Derivative of Function cos（πx）/(1+x*2) on x
    Finding the 1th Order Derivative of Function cos（πx）/1+x*2 on x
    Finding the 1th Order Derivative of Function （e^x）^2;; on x
    Finding the 1th Order Derivative of Function sinx/(x(cosx+2)) on x
    Finding the 1th Order Derivative of Function sinx(xcos(x)+2x) on x
    Finding the 1th Order Derivative of Function six/(x(cosx+2)) on x
    Finding the 2th Order Derivative of Function ln(x+sqrt((1+x^2)) on x
    Finding the 1th Order Derivative of Function 4a/(t*d^2) on a
    Finding the 1th Order Derivative of Function -2/5*e＾(-5/2*x) on x
    Finding the 1th Order Derivative of Function ta^2/4 on a
    Finding the 1th Order Derivative of Function a/4 on b
    Finding the 1th Order Derivative of Function a/b on a
    Finding the 1th Order Derivative of Function (x^2+x)/(x^2+1) on x
    Finding the 1th Order Derivative of Function 15*(cos(t))^2*sin(t) on t

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