1 1 + x
------ - ---------
-1 + x 2
(-1 + x)
------------------
2
(1 + x)
1 + ---------
2
(-1 + x)
$$\frac{\frac{1}{x - 1} - \frac{x + 1}{\left(x - 1\right)^{2}}}{1 + \frac{\left(x + 1\right)^{2}}{\left(x - 1\right)^{2}}}$$
1 -1 - x
------ + ---------
-1 + x 2
(-1 + x)
------------------
2
(1 + x)
1 + ---------
2
(-1 + x)
$$\frac{\frac{- x - 1}{\left(x - 1\right)^{2}} + \frac{1}{x - 1}}{1 + \frac{\left(x + 1\right)^{2}}{\left(x - 1\right)^{2}}}$$
(1/(-1.0 + x) - (1.0 + x)/(-1.0 + x)^2)/(1.0 + (1.0 + x)^2/(-1.0 + x)^2)
Рациональный знаменатель
[src] 2 2
1 + (-1 + x) - x
-------------------
/ 2\
(-1 + x)*\2 + 2*x /
$$\frac{- x^{2} + \left(x - 1\right)^{2} + 1}{\left(x - 1\right) \left(2 x^{2} + 2\right)}$$
Объединение рациональных выражений
[src] -2
--------------------
2 2
(1 + x) + (-1 + x)
$$- \frac{2}{\left(x - 1\right)^{2} + \left(x + 1\right)^{2}}$$
$$- \frac{1}{x^{2} + 1}$$
$$- \frac{1}{x^{2} + 1}$$
$$- \frac{1}{x^{2} + 1}$$