b1=b2+36b3=b4+4b1=b1q+36b1q^2=b1q^3+4b1-b1q=36b1q^2-b1q^3=4b1(1-q)=36b1q^2(1-q)=4b1(1-q)/b1q^2(1-q)=36/41/q^2=9q^2=1/9q=+-1/31) q=1/3b1=36/1-q=36/(1-1/3)=36/(2/3)=18*3=54b2=b1q=54*1/3=18b3=b2q=18*1/3=6b4=b3q=6*1/3=254;18;6;22) q=-1/3b1=36/(1+1/3)=36/(4/3)=9*3=27b2=b1q=27*(-1/3)=-9b3=b2q=-9*(-1/3) = 3b4=b3q=3*(-1/3)=-127;-9;3;-1
b1=b2+36
b3=b4+4
b1=b1q+36
b1q^2=b1q^3+4
b1-b1q=36
b1q^2-b1q^3=4
b1(1-q)=36
b1q^2(1-q)=4
b1(1-q)/b1q^2(1-q)=36/4
1/q^2=9
q^2=1/9
q=+-1/3
1) q=1/3
b1=36/1-q=36/(1-1/3)=36/(2/3)=18*3=54
b2=b1q=54*1/3=18
b3=b2q=18*1/3=6
b4=b3q=6*1/3=2
54;18;6;2
2) q=-1/3
b1=36/(1+1/3)=36/(4/3)=9*3=27
b2=b1q=27*(-1/3)=-9
b3=b2q=-9*(-1/3) = 3
b4=b3q=3*(-1/3)=-1
27;-9;3;-1