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["x^7/(b*x^4+a)^2/(d*x^4+c)^(1/2)","x",1],
["x^3/(b*x^4+a)^2/(d*x^4+c)^(1/2)","x",1],
["1/x/(b*x^4+a)^2/(d*x^4+c)^(1/2)","x",1],
["1/x^5/(b*x^4+a)^2/(d*x^4+c)^(1/2)","x",1],
["x^13/(b*x^4+a)^2/(d*x^4+c)^(1/2)","x",1],
["x^9/(b*x^4+a)^2/(d*x^4+c)^(1/2)","x",1],
["x^5/(b*x^4+a)^2/(d*x^4+c)^(1/2)","x",1],
["x/(b*x^4+a)^2/(d*x^4+c)^(1/2)","x",1],
["1/x^3/(b*x^4+a)^2/(d*x^4+c)^(1/2)","x",1],
["1/x^7/(b*x^4+a)^2/(d*x^4+c)^(1/2)","x",1],
["x^16/(b*x^4+a)^2/(d*x^4+c)^(1/2)","x",1],
["x^12/(b*x^4+a)^2/(d*x^4+c)^(1/2)","x",1],
["x^8/(b*x^4+a)^2/(d*x^4+c)^(1/2)","x",1],
["x^4/(b*x^4+a)^2/(d*x^4+c)^(1/2)","x",1],
["1/(b*x^4+a)^2/(d*x^4+c)^(1/2)","x",1],
["1/x^4/(b*x^4+a)^2/(d*x^4+c)^(1/2)","x",1],
["1/x^8/(b*x^4+a)^2/(d*x^4+c)^(1/2)","x",1],
["x^6/(b*x^4+a)^2/(d*x^4+c)^(1/2)","x",1],
["x^2/(b*x^4+a)^2/(d*x^4+c)^(1/2)","x",1],
["1/x^2/(b*x^4+a)^2/(d*x^4+c)^(1/2)","x",1],
["x^2/(x^4-1)^(1/2)/(x^4+1)","x",1],
["(e*x)^(3/2)*(d*x^4+c)^(1/2)/(b*x^4+a)","x",1],
["(e*x)^(1/2)*(d*x^4+c)^(1/2)/(b*x^4+a)","x",1],
["(d*x^4+c)^(1/2)/(e*x)^(1/2)/(b*x^4+a)","x",1],
["(d*x^4+c)^(1/2)/(e*x)^(3/2)/(b*x^4+a)","x",1],
["(e*x)^m*(b*x^4+a)^2/(d*x^4+c)^(1/2)","x",1],
["(e*x)^m*(b*x^4+a)/(d*x^4+c)^(1/2)","x",1],
["(e*x)^m/(d*x^4+c)^(1/2)","x",1],
["(e*x)^m/(b*x^4+a)/(d*x^4+c)^(1/2)","x",1],
["(e*x)^m/(b*x^4+a)^2/(d*x^4+c)^(1/2)","x",1],
["(e*x)^m/(b*x^4+a)^3/(d*x^4+c)^(1/2)","x",1],
["(e*x)^m*(b*x^4+a)^2/(d*x^4+c)^(3/2)","x",1],
["(e*x)^m*(b*x^4+a)/(d*x^4+c)^(3/2)","x",1],
["(e*x)^m/(d*x^4+c)^(3/2)","x",1],
["(e*x)^m/(b*x^4+a)/(d*x^4+c)^(3/2)","x",1],
["(e*x)^m/(b*x^4+a)^2/(d*x^4+c)^(3/2)","x",1],
["(e*x)^m/(b*x^4+a)^3/(d*x^4+c)^(3/2)","x",1],
["(e*x)^m*(b*x^4+a)^p*(d*x^4+c)^3","x",1],
["(e*x)^m*(b*x^4+a)^p*(d*x^4+c)^2","x",1],
["(e*x)^m*(b*x^4+a)^p*(d*x^4+c)","x",1],
["(e*x)^m*(b*x^4+a)^p","x",1],
["(e*x)^m*(b*x^4+a)^p/(d*x^4+c)","x",1],
["(e*x)^m*(b*x^4+a)^p/(d*x^4+c)^2","x",1],
["(e*x)^m*(b*x^4+a)^p*(d*x^4+c)^p","x",1],
["x^m*(b*x^4+2)^p*(d*x^4+3)^q","x",1],
["(e*x)^m*(b*x^4+a)^p*(d*x^4+c)^q","x",1]]