3.0*(1.0 + x)^2/(2.0 + x)^2 + (1.0 + x)^3*(-4.0 - 2.0*x)/(2.0 + x)^4
Рациональный знаменатель
[src] 2 4 3 2
3*(1 + x) *(2 + x) + (1 + x) *(2 + x) *(-4 - 2*x)
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6
(2 + x)
$$\frac{1}{\left(x + 2\right)^{6}} \left(\left(- 2 x - 4\right) \left(x + 1\right)^{3} \left(x + 2\right)^{2} + 3 \left(x + 1\right)^{2} \left(x + 2\right)^{4}\right)$$
Объединение рациональных выражений
[src] 2 / 2 \
(1 + x) *\3*(2 + x) + 2*(1 + x)*(-2 - x)/
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4
(2 + x)
$$\frac{\left(x + 1\right)^{2}}{\left(x + 2\right)^{4}} \left(2 \left(- x - 2\right) \left(x + 1\right) + 3 \left(x + 2\right)^{2}\right)$$
2
(1 + x) *(4 + x)
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3
(2 + x)
$$\frac{\left(x + 1\right)^{2} \left(x + 4\right)}{\left(x + 2\right)^{3}}$$
2
(1 + x) *(4 + x)
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3
(2 + x)
$$\frac{\left(x + 1\right)^{2} \left(x + 4\right)}{\left(x + 2\right)^{3}}$$
4 + 3*x
1 - --------------------
3 2
8 + x + 6*x + 12*x
$$- \frac{3 x + 4}{x^{3} + 6 x^{2} + 12 x + 8} + 1$$