Подстановка условия
[src](1 + 1/(3*x^(2/3)))*(1/x + 1/(x^(1/3))) + (x + x^(1/3))*(-1/x^2 - 1/(3*x)*x^(1/3)) при x = -2
(1 + 1/(3*x^(2/3)))*(1/x + 1/(x^(1/3))) + (x + x^(1/3))*(-1/x^2 - 1/(3*x)*x^(1/3))
$$\left(1 + \frac{1}{3 x^{\frac{2}{3}}}\right) \left(\frac{1}{x} + \frac{1}{\sqrt[3]{x}}\right) + \left(\sqrt[3]{x} + x\right) \left(- \frac{1}{3 x^{\frac{4}{3}}} - \frac{1}{x^{2}}\right)$$
(1 + 1/(3*(-2)^(2/3)))*(1/(-2) + 1/((-2)^(1/3))) + ((-2) + (-2)^(1/3))*(-1/(-2)^2 - 1/(3*(-2))*(-2)^(1/3))
$$\left(1 + \frac{1}{3 (-2)^{\frac{2}{3}}}\right) \left(\frac{1}{(-2)} + \frac{1}{\sqrt[3]{(-2)}}\right) + \left(\sqrt[3]{(-2)} + (-2)\right) \left(- \frac{1}{3 (-2)^{\frac{4}{3}}} - \frac{1}{(-2)^{2}}\right)$$
(1 + 1/(3*(-2)^(2/3)))*(1/(-2) + 1/((-2)^(1/3))) + (-2 + (-2)^(1/3))*(-1/(-2)^2 - 1/(3*(-2))*(-2)^(1/3))
$$\left(1 + \frac{1}{3 \left(-2\right)^{\frac{2}{3}}}\right) \left(\frac{1}{-2} + \frac{1}{\sqrt[3]{-2}}\right) + \left(-2 + \sqrt[3]{-2}\right) \left(- \frac{1}{4} - \frac{\left(-2\right)^{\frac{2}{3}}}{12}\right)$$
(1 - (-2)^(1/3)/6)*(-1/2 - (-2)^(2/3)/2) + (-2 + (-2)^(1/3))*(-1/4 - (-2)^(2/3)/12)
$$\left(- \frac{1}{2} - \frac{\left(-2\right)^{\frac{2}{3}}}{2}\right) \left(1 - \frac{\sqrt[3]{-2}}{6}\right) + \left(-2 + \sqrt[3]{-2}\right) \left(- \frac{1}{4} - \frac{\left(-2\right)^{\frac{2}{3}}}{12}\right)$$
/ 1 \ /1 1 \ / 3 ___\ / 1 1 \
|1 + ------|*|- + -----| + \x + \/ x /*|- -- - ------|
| 2/3| |x 3 ___| | 2 4/3|
\ 3*x / \ \/ x / \ x 3*x /
$$\left(1 + \frac{1}{3 x^{\frac{2}{3}}}\right) \left(\frac{1}{x} + \frac{1}{\sqrt[3]{x}}\right) + \left(- \frac{1}{x^{2}} - \frac{1}{3 x^{\frac{4}{3}}}\right) \left(\sqrt[3]{x} + x\right)$$
Рациональный знаменатель
[src] 2 / 3 ___\ / 2 4/3\ 10/3 / 2/3\ / 3 ___\
3*x *\x + \/ x /*\- x - 3*x / + 3*x *\1 + 3*x /*\x + \/ x /
-------------------------------------------------------------------
16/3
9*x $$\frac{1}{9 x^{\frac{16}{3}}} \left(3 x^{\frac{10}{3}} \left(\sqrt[3]{x} + x\right) \left(3 x^{\frac{2}{3}} + 1\right) + 3 x^{2} \left(\sqrt[3]{x} + x\right) \left(- 3 x^{\frac{4}{3}} - x^{2}\right)\right)$$
Объединение рациональных выражений
[src]/ 3 ___\
|x \/ x | / 2 / 2 4/3\ 10/3 / 2/3\\
|- + -----|*\x *\- x - 3*x / + x *\1 + 3*x //
\3 3 /
-----------------------------------------------------
16/3
x $$\frac{1}{x^{\frac{16}{3}}} \left(\frac{\sqrt[3]{x}}{3} + \frac{x}{3}\right) \left(x^{\frac{10}{3}} \left(3 x^{\frac{2}{3}} + 1\right) + x^{2} \left(- 3 x^{\frac{4}{3}} - x^{2}\right)\right)$$
/ 1 \ /1 1 \ / 3 ___\ / 1 1 \
|1 + ------|*|- + -----| + \x + \/ x /*|- -- - ------|
| 2/3| |x 3 ___| | 2 4/3|
\ 3*x / \ \/ x / \ x 3*x /
$$\left(1 + \frac{1}{3 x^{\frac{2}{3}}}\right) \left(\frac{1}{x} + \frac{1}{\sqrt[3]{x}}\right) + \left(- \frac{1}{x^{2}} - \frac{1}{3 x^{\frac{4}{3}}}\right) \left(\sqrt[3]{x} + x\right)$$