2
2 9 c 9*c
c - c - - - -- - ---
d d 2
d
$$- c^{2} - \frac{c^{2}}{d} + c - \frac{9 c}{d^{2}} - \frac{9}{d}$$
c - c^2 - 9/d - c^2/d - 9*c/d^2
/ 9 9\
c*|d - c - - - -|
2 \ c d/
- c + -----------------
d
$$- c^{2} + \frac{c \left(- c + d - \frac{9}{d} - \frac{9}{c}\right)}{d}$$
-c^2 + c*(d - c - 9/c - 9/d)/d
-c^2 + c*(d - c - 9.0/c - 9.0/d)/d
-c^2 + c*(d - c - 9.0/c - 9.0/d)/d
/ 2 2 2 2\
-\9*c + 9*d + d*c + c *d - c*d /
-----------------------------------
2
d
$$- \frac{c^{2} d^{2} + c^{2} d - c d^{2} + 9 c + 9 d}{d^{2}}$$
-(9*c + 9*d + d*c^2 + c^2*d^2 - c*d^2)/d^2
Рациональный знаменатель
[src]
2
2 9 c 9*c
c - c - - - -- - ---
d d 2
d
$$- c^{2} - \frac{c^{2}}{d} + c - \frac{9 c}{d^{2}} - \frac{9}{d}$$
3 3
- c *d + c*d*(-9*c - 9*d + c*d*(d - c))
----------------------------------------
3
c*d
$$\frac{- c^{3} d^{3} + c d \left(c d \left(- c + d\right) - 9 c - 9 d\right)}{c d^{3}}$$
(-c^3*d^3 + c*d*(-9*c - 9*d + c*d*(d - c)))/(c*d^3)
/ 9 9\
c*|d - c - - - -|
2 \ c d/
- c + -----------------
d
$$- c^{2} + \frac{c \left(- c + d - \frac{9}{d} - \frac{9}{c}\right)}{d}$$
-c^2 + c*(d - c - 9/c - 9/d)/d
2
2 -9*c - 9*d - d*c
c - c + -----------------
2
d
$$- c^{2} + c + \frac{- c^{2} d - 9 c - 9 d}{d^{2}}$$
c - c^2 + (-9*c - 9*d - d*c^2)/d^2
Объединение рациональных выражений
[src]
2 2 2 2
-9*c - 9*d + c*d - d*c - c *d
--------------------------------
2
d
$$\frac{- c^{2} d^{2} - c^{2} d + c d^{2} - 9 c - 9 d}{d^{2}}$$
(-9*c - 9*d + c*d^2 - d*c^2 - c^2*d^2)/d^2