m 2 1 -*n - n + - - - -n m m ------------------- / n \ |-----| \n - m/
/ 1 2 \ (n - m)*|- - - n + 2*n| \ m / ------------------------ n
(n - m)*(-1/m - n^2 + 1.0*n + m*n/m)/n
/ 2 \ (n - m)*\-1 - m*n + 2*m*n/ --------------------------- m*n
(n - m)*(-1 + m*n + m*n*(1 - n)) -------------------------------- m*n
(1 + m*n*(-2 + n))*(m - n) -------------------------- m*n
/ 1 2 m \ (n - m)*|- - - n + -*n - -n| \ m m / ----------------------------- n
2 m - n - n - 2*m + 2*n + m*n + ----- m*n
/ 2 \ (m - n)*\1 + m*n - 2*m*n/ -------------------------- m*n
/m 2 1 \ (n - m)*|-*n - n + - - - -n| \m m / ----------------------------- n