N := 9;
X := 3*v^6 + 6*u^2*v^5 + (4*u^4 - 3)*v^4 + (u^6 - u^4 - 3*u^2 - 1)*v^3 - 3*u^4*v^2 - 2*u^4*v - u^4;
q := 1/u;
t := -4*u*v/(u^2*v - u^2 + 3*v + 1);
E:=[0,t^2-2*q*t-2,0,-(t^2-1)*(q*t+1)^2,0];
P:=[(t+1)*(q*t+1),t*(q*t+1)*(t+1)];
Q:=[0,0];