/1 1 1 \ / 1 1 1\
|- + --------- - -----|*|----- + --------- - -|
\y 2*y + 3*x x + y/ \x + y 2*y + 3*x y/
$$\left(\frac{1}{3 x + 2 y} - \frac{1}{x + y} + \frac{1}{y}\right) \left(\frac{1}{3 x + 2 y} + \frac{1}{x + y} - \frac{1}{y}\right)$$
(1/y + 1/(2.0*y + 3.0*x) - 1/(x + y))*(1/(x + y) + 1/(2.0*y + 3.0*x) - 1/y)
Рациональный знаменатель
[src](x*(2*y + 3*x) + y*(x + y))*(y*(x + y) - x*(2*y + 3*x))
-------------------------------------------------------
2 2 2
y *(x + y) *(2*y + 3*x)
$$\frac{\left(- x \left(3 x + 2 y\right) + y \left(x + y\right)\right) \left(x \left(3 x + 2 y\right) + y \left(x + y\right)\right)}{y^{2} \left(x + y\right)^{2} \left(3 x + 2 y\right)^{2}}$$
Объединение рациональных выражений
[src](x*(2*y + 3*x) + y*(x + y))*(y*(x + y) - x*(2*y + 3*x))
-------------------------------------------------------
2 2 2
y *(x + y) *(2*y + 3*x)
$$\frac{\left(- x \left(3 x + 2 y\right) + y \left(x + y\right)\right) \left(x \left(3 x + 2 y\right) + y \left(x + y\right)\right)}{y^{2} \left(x + y\right)^{2} \left(3 x + 2 y\right)^{2}}$$
(x*(2*y + 3*x) + y*(x + y))*(y*(x + y) - x*(2*y + 3*x))
-------------------------------------------------------
2 2 2
y *(x + y) *(2*y + 3*x)
$$\frac{\left(- x \left(3 x + 2 y\right) + y \left(x + y\right)\right) \left(x \left(3 x + 2 y\right) + y \left(x + y\right)\right)}{y^{2} \left(x + y\right)^{2} \left(3 x + 2 y\right)^{2}}$$
/1 1 1 \ / 1 1 1\
|- + --------- - -----|*|----- + --------- - -|
\y 2*y + 3*x x + y/ \x + y 2*y + 3*x y/
$$\left(\frac{1}{3 x + 2 y} - \frac{1}{x + y} + \frac{1}{y}\right) \left(\frac{1}{3 x + 2 y} + \frac{1}{x + y} - \frac{1}{y}\right)$$
/ 2 2 \ / 2 2 \
-\y + 3*x + 3*x*y/*\- y + 3*x + x*y/
-----------------------------------------
2 2 2
y *(x + y) *(2*y + 3*x)
$$- \frac{\left(3 x^{2} + x y - y^{2}\right) \left(3 x^{2} + 3 x y + y^{2}\right)}{y^{2} \left(x + y\right)^{2} \left(3 x + 2 y\right)^{2}}$$
/ 4 4 3 2 2 3\
-\- y + 9*x - 2*x*y + 3*x *y + 12*y*x /
----------------------------------------------
6 4 2 5 3 3 2 4
4*y + 9*x *y + 20*x*y + 30*x *y + 37*x *y
$$- \frac{9 x^{4} + 12 x^{3} y + 3 x^{2} y^{2} - 2 x y^{3} - y^{4}}{9 x^{4} y^{2} + 30 x^{3} y^{3} + 37 x^{2} y^{4} + 20 x y^{5} + 4 y^{6}}$$