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   y=((P1*P4*(6.28*x)^(P2+P5)*cos(1.57*P2)*cos(1.57*P5)-(P1*(6.28*x)^P2*sin(1.57*P2)-P3/(6.28*x))*(P4*(6.28*x)^P5*sin(1.57*P5)-P6/(6.28*x))*(P7*(6.28*x)^P8*cos(1.57*P8)*P10+(P7*(6.28*x)^P8*sin(1.57*P8)-P9/(6.28*x))*P11/(6.28*x))-((P1*(6.28*x)^P2*sin(1.57*P2)-P3/(6.28*x))*(P4*(6.28*x)^P5*cos(1.57*P5))+(P4*(6.28*x)^P5*sin(1.57*P5)-P6/(6.28*x))*(P1*(6.28*x)^P2*cos(1.57*P2)))*((P7*(6.28*x)^P8*sin(1.57*P8)-P9/(6.28*x))*P10-P7*(6.28*x)^P8*cos(1.57*P8)*P11/(6.28*x)))*((P4*P7*(6.28*x)^(P5+P8)*cos(1.57*P5)*cos(1.57*P8)-(P4*(6.28*x)^P5*sin(1.57*P5)-P6/(6.28*x))*(P7*(6.28*x)^P8*sin(1.57*P8)-P9/(6.28*x)))*P10+((P4*(6.28*x)^P5*sin(1.57*P5)-P6/(6.28*x))*P7*(6.28*x)^P8*cos(1.57*P8)+(P7*(6.28*x)^P8*sin(1.57*P8)-P9/(6.28*x))*P4*(6.28*x)^P5*cos(1.57*P5))*P10/(6.28*x)+(P1*P7*(6.28*x)^(P2+P8)*cos(1.57*P2)*cos(1.57*P8)-(P1*(6.28*x)^P2*sin(1.57*P2)-P3/(6.28*x))*(P7*(6.28*x)^P8*sin(1.57*P8)-P9/(6.28*x)))*P10+(P1*(6.28*x)^P2*sin(1.57*P2)-P3/(6.28*x))*P7*(6.28*x)^P8*cos(1.57*P8)+(P7*(6.28*x)^P8*sin(1.57*P8)-P9/(6.28*x))*P1*(6.28*x)^P2*cos(1.57*P2))*P11/(6.28*x)+(P1*P4*(6.28*x)^(P2+P5)*cos(1.57*P2)*cos(1.57*P5)-(P1*(6.28*x)^P2*sin(1.57*P2)-P3/(6.28*x))*(P4*(6.28*x)^P5*sin(1.57*P5)-P6/(6.28*x)))*P10+((P1*(6.28*x)^P2*sin(1.57*P2)-P3/(6.28*x))*P4*(6.28*x)^P5*cos(1.57*P5)+(P4*(6.28*x)^P5*sin(1.57*P5)-P6/(6.28*x))*P1*(6.28*x)^P2*cos(1.57*P2))*P11/(6.28*x)+(P1*P4*(6.28*x)^(P2+P5)*cos(1.57*P2)*cos(1.57*P5)-(P1*(6.28*x)^P2*sin(1.57*P2)-P3/(6.28*x))*(P4*(6.28*x)^P5*sin(1.57*P5)-P6/(6.28*x))*(P7*(6.28*x)^P8*cos(1.57*P8))-((P1*(6.28*x)^P2*sin(1.57*P2)-P3/(6.28*x))*P4*(6.28*x)^P5*cos(1.57*P5)+P1*(6.28*x)^P2*cos(1.57*P2)*(P4*(6.28*x)^P5*sin(1.57*P5)-P6/(6.28*x)))*(P7*(6.28*x)^P8*sin(1.57*P8)-P9/(6.28*x)))+(((P1*(6.28*x)^P2*sin(1.57*P2)-P3/(6.28*x))*(P4*(6.28*x)^P5*cos(1.57*P5))+(P4*(6.28*x)^P5*sin(1.57*P5)-P6/(6.28*x))*(P1*(6.28*x)^P2*cos(1.57*P2)))*(P7*(6.28*x)^P8*cos(1.57*P8)*P10+(P7*(6.28*x)^P8*sin(1.57*P8)-P9/(6.28*x))*P11/(6.28*x))+(P1*P4*(6.28*x)^(P2+P5)*cos(1.57*P2)*cos(1.57*P5)-(P1*(6.28*x)^P2*sin(1.57*P2)-P3/(6.28*x))*(P4*(6.28*x)^P5*sin(1.57*P5)-P6/(6.28*x)))*((P7*(6.28*x)^P8*sin(1.57*P8)-P9/(6.28*x))*P10-P7*(6.28*x)^P8*cos(1.57*P8)*P11/(6.28*x)))*(((P4*(6.28*x)^P5*sin(1.57*P5)-P6/(6.28*x))*P7*(6.28*x)^P8*cos(1.57*P8)+(P7*(6.28*x)^P8*sin(1.57*P8)-P9/(6.28*x))*P4*(6.28*x)^P5*cos(1.57*P5))*P10-(P4*P7*(6.28*x)^(P5+P8)*cos(1.57*P5)*cos(1.57*P8)-(P4*(6.28*x)^P5*sin(1.57*P5)-P6/(6.28*x))*(P7*(6.28*x)^P8*sin(1.57*P8)-P9/(6.28*x)))*P11/(6.28*x)+((P1*(6.28*x)^P2*sin(1.57*P2)-P3/(6.28*x))*P7*(6.28*x)^P8*cos(1.57*P8)+(P7*(6.28*x)^P8*sin(1.57*P8)-P9/(6.28*x))*P1*(6.28*x)^P2*cos(1.57*P2))*P10-(P1*P7*(6.28*x)^(P2+P8)*cos(1.57*P2)*cos(1.57*P8)-(P1*(6.28*x)^P2*sin(1.57*P2)-P3/(6.28*x))*(P7*(6.28*x)^P8-P9/(6.28*x)))*P11/(6.28*x)+((P1*(6.28*x)^P2*sin(1.57*P2)-P3/(6.28*x))*P4*(6.28*x)^P5*cos(1.57*P5)+(P4*(6.28*x)^P5*sin(1.57*P5)-P6/(6.28*x))*P1*(6.28*x)^P2*cos(1.57*P2))*P10-(P1*P4*(6.28*x)^(P2+P5)*cos(1.57*P2)*cos(1.57*P5)-(P1*(6.28*x)^P2*sin(1.57*P2)-P3/(6.28*x))*(P4*(6.28*x)^P5*sin(1.57*P5)-P6/(6.28*x)))*P11/(6.28*x)+(P1*P4*(6.28*x)^(P2+P5)*cos(1.57*P2)*cos(1.57*P5)-(P1*(6.28*x)^P2*sin(1.57*P2)-P3/(6.28*x))*(P4*(6.28*x)^P5*sin(1.57*P5)-P6/(6.28*x)))*(P7*(6.28*x)^P8*sin(1.57*P8)-P9/(6.28*x))+((P1*(6.28*x)^P2*sin(1.57*P2)-P3/(6.28*x))*P4*(6.28*x)^P5*cos(1.57*P5)+P1*(6.28*x)^P2*cos(1.57*P2)*(P4*(6.28*x)^P5*sin(1.57*P5)-P6/(6.28*x)))*(P7*(6.28*x)^P8*cos(1.57*P8))))/(((P4*P7*(6.28*x)^(P5+P8)*cos(1.57*P5)*cos(1.57*P8)-(P4*(6.28*x)^P5*sin(1.57*P5)-P6/(6.28*x))*(P7*(6.28*x)^P8*sin(1.57*P8)-P9/(6.28*x)))*P10+((P4*(6.28*x)^P5*sin(1.57*P5)-P6/(6.28*x))*P7*(6.28*x)^P8*cos(1.57*P8)+(P7*(6.28*x)^P8*sin(1.57*P8)-P9/(6.28*x))*P4*(6.28*x)^P5*cos(1.57*P5))*P10/(6.28*x)+(P1*P7*(6.28*x)^(P2+P8)*cos(1.57*P2)*cos(1.57*P8)-(P1*(6.28*x)^P2*sin(1.57*P2)-P3/(6.28*x))*(P7*(6.28*x)^P8*sin(1.57*P8)-P9/(6.28*x)))*P10+(P1*(6.28*x)^P2*sin(1.57*P2)-P3/(6.28*x))*P7*(6.28*x)^P8*cos(1.57*P8)+(P7*(6.28*x)^P8*sin(1.57*P8)-P9/(6.28*x))*P1*(6.28*x)^P2*cos(1.57*P2))*P11/(6.28*x)+(P1*P4*(6.28*x)^(P2+P5)*cos(1.57*P2)*cos(1.57*P5)-(P1*(6.28*x)^P2*sin(1.57*P2)-P3/(6.28*x))*(P4*(6.28*x)^P5*sin(1.57*P5)-P6/(6.28*x)))*P10+((P1*(6.28*x)^P2*sin(1.57*P2)-P3/(6.28*x))*P4*(6.28*x)^P5*cos(1.57*P5)+(P4*(6.28*x)^P5*sin(1.57*P5)-P6/(6.28*x))*P1*(6.28*x)^P2*cos(1.57*P2))*P11/(6.28*x)+(P1*P4*(6.28*x)^(P2+P5)*cos(1.57*P2)*cos(1.57*P5)-(P1*(6.28*x)^P2*sin(1.57*P2)-P3/(6.28*x))*(P4*(6.28*x)^P5*sin(1.57*P5)-P6/(6.28*x))*(P7*(6.28*x)^P8*cos(1.57*P8))-((P1*(6.28*x)^P2*sin(1.57*P2)-P3/(6.28*x))*P4*(6.28*x)^P5*cos(1.57*P5)+P1*(6.28*x)^P2*cos(1.57*P2)*(P4*(6.28*x)^P5*sin(1.57*P5)-P6/(6.28*x)))*(P7*(6.28*x)^P8*sin(1.57*P8)-P9/(6.28*x)))^2+(((P4*(6.28*x)^P5*sin(1.57*P5)-P6/(6.28*x))*P7*(6.28*x)^P8*cos(1.57*P8)+(P7*(6.28*x)^P8*sin(1.57*P8)-P9/(6.28*x))*P4*(6.28*x)^P5*cos(1.57*P5))*P10-(P4*P7*(6.28*x)^(P5+P8)*cos(1.57*P5)*cos(1.57*P8)-(P4*(6.28*x)^P5*sin(1.57*P5)-P6/(6.28*x))*(P7*(6.28*x)^P8*sin(1.57*P8)-P9/(6.28*x)))*P11/(6.28*x)+((P1*(6.28*x)^P2*sin(1.57*P2)-P3/(6.28*x))*P7*(6.28*x)^P8*cos(1.57*P8)+(P7*(6.28*x)^P8*sin(1.57*P8)-P9/(6.28*x))*P1*(6.28*x)^P2*cos(1.57*P2))*P10-(P1*P7*(6.28*x)^(P2+P8)*cos(1.57*P2)*cos(1.57*P8)-(P1*(6.28*x)^P2*sin(1.57*P2)-P3/(6.28*x))*(P7*(6.28*x)^P8-P9/(6.28*x)))*P11/(6.28*x)+((P1*(6.28*x)^P2*sin(1.57*P2)-P3/(6.28*x))*P4*(6.28*x)^P5*cos(1.57*P5)+(P4*(6.28*x)^P5*sin(1.57*P5)-P6/(6.28*x))*P1*(6.28*x)^P2*cos(1.57*P2))*P10-(P1*P4*(6.28*x)^(P2+P5)*cos(1.57*P2)*cos(1.57*P5)-(P1*(6.28*x)^P2*sin(1.57*P2)-P3/(6.28*x))*(P4*(6.28*x)^P5*sin(1.57*P5)-P6/(6.28*x)))*P11/(6.28*x)+(P1*P4*(6.28*x)^(P2+P5)*cos(1.57*P2)*cos(1.57*P5)-(P1*(6.28*x)^P2*sin(1.57*P2)-P3/(6.28*x))*(P4*(6.28*x)^P5*sin(1.57*P5)-P6/(6.28*x)))*(P7*(6.28*x)^P8*sin(1.57*P8)-P9/(6.28*x))+((P1*(6.28*x)^P2*sin(1.57*P2)-P3/(6.28*x))*P4*(6.28*x)^P5*cos(1.57*P5)+P1*(6.28*x)^P2*cos(1.57*P2)*(P4*(6.28*x)^P5*sin(1.57*P5)-P6/(6.28*x)))*(P7*(6.28*x)^P8*cos(1.57*P8)))^2)
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