2 81 a - -------------- 2 a - 12*a + 36 ------------------- / 2 \ |a + 9*a| |--------| \ a - 1 /
/ 2 81 \ (-1 + a)*|a - --------------| | 2 | \ 36 + a - 12*a/ ------------------------------ 2 a + 9*a
(-1.0 + a)*(a^2 - 81.0/(36.0 + a^2 - 12.0*a))/(a^2 + 9.0*a)
/ 2 / 2 \\ (-1 + a)*\-81 + a *\36 + a - 12*a// ------------------------------------ / 2 \ / 2 \ \a + 9*a/*\36 + a - 12*a/
/ 2 \ (-1 + a)*\-81 + a *(36 + a*(-12 + a))/ -------------------------------------- a*(9 + a)*(36 + a*(-12 + a))
/ 2 / 2 \\ (-1 + a)*\-81 + a *\36 + a - 12*a// ------------------------------------ / 2 \ a*(9 + a)*\36 + a - 12*a/
/ 2 81 \ (-1 + a)*|a - --------------| | 2 | \ a - 12*a + 36/ ------------------------------ 2 a + 9*a
2 3 81 - 1080*a + 90*a + 3159*a -10 + a + ----------------------------- 4 2 3 a - 72*a - 3*a + 324*a
2 / 2 \ (-3 + a) *(-1 + a)*\-9 + a - 6*a/ ---------------------------------- 2 a*(-6 + a) *(9 + a)