r= 3^6*x^12 - 3^3*x^6 + 1 q= (59049*x^20 + 19683*x^18 + 972*x^10 + 3*x^2 + 1) / 4 P= x^5 + x^4 - 5*x^3 - 4*x^2 + 5*x + 6 v= 3*x^2+1/(3*x^2)