Simplificación general
[src]
-18*z
-----------------------
3 2
-729 + z - 81*z + 9*z
$$- \frac{18 z}{z^{3} + 9 z^{2} - 81 z - 729}$$
-18*z/(-729 + z^3 - 81*z + 9*z^2)
Descomposición de una fracción
[src]
1/(2*(9 + z)) - 9/(9 + z)^2 - 1/(2*(-9 + z))
$$\frac{1}{2 \left(z + 9\right)} - \frac{9}{\left(z + 9\right)^{2}} - \frac{1}{2 \left(z - 9\right)}$$
1 9 1
--------- - -------- - ----------
2*(9 + z) 2 2*(-9 + z)
(9 + z)
Denominador racional
[src]
/ 2\ 2
z*\-81 + z / - z*(9 + z)
-------------------------
/ 2\ 2
\-81 + z /*(9 + z)
$$\frac{- z \left(z + 9\right)^{2} + z \left(z^{2} - 81\right)}{\left(z + 9\right)^{2} \left(z^{2} - 81\right)}$$
(z*(-81 + z^2) - z*(9 + z)^2)/((-81 + z^2)*(9 + z)^2)
-18*z
-----------------------
3 2
-729 + z - 81*z + 9*z
$$- \frac{18 z}{z^{3} + 9 z^{2} - 81 z - 729}$$
-18*z/(-729 + z^3 - 81*z + 9*z^2)
Unión de expresiones racionales
[src]
/ 2 2\
z*\-81 + z - (9 + z) /
-----------------------
/ 2\ 2
\-81 + z /*(9 + z)
$$\frac{z \left(z^{2} - \left(z + 9\right)^{2} - 81\right)}{\left(z + 9\right)^{2} \left(z^{2} - 81\right)}$$
z*(-81 + z^2 - (9 + z)^2)/((-81 + z^2)*(9 + z)^2)
-18*z
-----------------
2
(-9 + z)*(9 + z)
$$- \frac{18 z}{\left(z - 9\right) \left(z + 9\right)^{2}}$$
-18*z/((-9 + z)*(9 + z)^2)
-z/(-81.0 + z^2) + 0.0123456790123457*z/(1 + 0.111111111111111*z)^2
-z/(-81.0 + z^2) + 0.0123456790123457*z/(1 + 0.111111111111111*z)^2