/ / ___\\ / / ___\\ / / ___\\ / / ___\\ | | 1 I*\/ 3 || | | 1 I*\/ 3 || | |1 I*\/ 3 || | |1 I*\/ 3 || (a + b)*(a - b)*|a - b*|- - - -------||*|a - b*|- - + -------||*|a - b*|- - -------||*|a - b*|- + -------|| \ \ 2 2 // \ \ 2 2 // \ \2 2 // \ \2 2 //
(((((a + b)*(a - b))*(a - b*(-1/2 - i*sqrt(3)/2)))*(a - b*(-1/2 + i*sqrt(3)/2)))*(a - b*(1/2 - i*sqrt(3)/2)))*(a - b*(1/2 + i*sqrt(3)/2))
/ 2 2 \ / 2 2 \ (a + b)*(a - b)*\a + b + a*b/*\a + b - a*b/
(a + b)*(a - b)*(a^2 + b^2 + a*b)*(a^2 + b^2 - a*b)