Подстановка условия
[src](794*x^4)/13 - 15*x^3 + 40*x^3 - 45*x + 2066/13 при x = 1/4
(794*x^4)/13 - 15*x^3 + 40*x^3 - 45*x + 2066/13
$$- 45 x + 40 x^{3} + - 15 x^{3} + \frac{794 x^{4}}{13} + \frac{2066}{13}$$
(794*(1/4)^4)/13 - 15*(1/4)^3 + 40*(1/4)^3 - 45*(1/4) + 2066/13
$$- 45 (1/4) + 40 (1/4)^{3} + - 15 (1/4)^{3} + \frac{794 (1/4)^{4}}{13} + \frac{2066}{13}$$
(794*(1/4)^4)/13 - 15*(1/4)^3 + 40*(1/4)^3 - 45/4 + 2066/13
$$- \frac{45}{4} + - \frac{15}{64} + \frac{794 \left(\frac{1}{4}\right)^{4}}{13} + \frac{40}{64} + \frac{2066}{13}$$
4
2066 3 794*x
---- - 45*x + 25*x + ------
13 13
$$\frac{794 x^{4}}{13} + 25 x^{3} - 45 x + \frac{2066}{13}$$
158.923076923077 + 25.0*x^3 + 61.0769230769231*x^4 - 45.0*x
Рациональный знаменатель
[src] 4
2066 3 794*x
---- - 45*x + 25*x + ------
13 13
$$\frac{794 x^{4}}{13} + 25 x^{3} - 45 x + \frac{2066}{13}$$
Объединение рациональных выражений
[src] / 2 \
2066 + x*\-585 + x *(325 + 794*x)/
----------------------------------
13 $$\frac{1}{13} \left(x \left(x^{2} \left(794 x + 325\right) - 585\right) + 2066\right)$$
4
2066 3 794*x
---- - 45*x + 25*x + ------
13 13
$$\frac{794 x^{4}}{13} + 25 x^{3} - 45 x + \frac{2066}{13}$$
4
2066 3 794*x 3
---- + 40*x + ------ - 15*x - 45*x
13 13
$$- 15 x^{3} + 40 x^{3} - 45 x + \frac{794 x^{4}}{13} + \frac{2066}{13}$$
4
2066 3 794*x
---- - 45*x + 25*x + ------
13 13
$$\frac{794 x^{4}}{13} + 25 x^{3} - 45 x + \frac{2066}{13}$$
3 4
2066 - 585*x + 325*x + 794*x
------------------------------
13 $$\frac{1}{13} \left(794 x^{4} + 325 x^{3} - 585 x + 2066\right)$$