3*n + 12 3 -------- - ----- 2 4 - n n - 16
-3.0/(4.0 - n) + (12.0 + 3.0*n)/(-16.0 + n^2)
2 48 - 3*n + (4 - n)*(12 + 3*n) ------------------------------ / 2\ \-16 + n /*(4 - n)
/ 2 \ 3*\16 - n + (4 + n)*(4 - n)/ ----------------------------- / 2\ \-16 + n /*(4 - n)