3 1 - 8*b
1 - 8*b^3
/ ___\ / ___\ | 1 I*\/ 3 | | 1 I*\/ 3 | 1*(b - 1/2)*|b + - + -------|*|b + - - -------| \ 4 4 / \ 4 4 /
((1*(b - 1/2))*(b + (1/4 + i*sqrt(3)/4)))*(b + (1/4 - i*sqrt(3)/4))
1.0 - 8.0*b^3
/ 2\ -(-1 + 2*b)*\1 + 2*b + 4*b /
-(-1 + 2*b)*(1 + 2*b + 4*b^2)