$$\frac{x}{x_{2}} + y - y_{2} - \frac{1}{x}$$
Рациональный знаменатель
[src]-x2 + x*(x - x2*y2) + x*x2*y
----------------------------
x*x2 $$\frac{1}{x x_{2}} \left(x x_{2} y + x \left(x - x_{2} y_{2}\right) - x_{2}\right)$$
Объединение рациональных выражений
[src]-x2 + x*(x - x2*y2) + x*x2*y
----------------------------
x*x2 $$\frac{1}{x x_{2}} \left(x x_{2} y + x \left(x - x_{2} y_{2}\right) - x_{2}\right)$$
$$\frac{x}{x_{2}} + y - y_{2} - \frac{1}{x}$$
$$\frac{x}{x_{2}} + y - y_{2} - \frac{1}{x}$$
2
x - x2
y - y2 + -------
x*x2 $$y - y_{2} + \frac{x^{2} - x_{2}}{x x_{2}}$$
2
x - x2 + x*x2*y - x*x2*y2
--------------------------
x*x2 $$\frac{1}{x x_{2}} \left(x^{2} + x x_{2} y - x x_{2} y_{2} - x_{2}\right)$$