Разложение на множители
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/ _______________ \ / _______________ \ / _______________\
| / ____ / ___\| | / ____ / ___\| | / ____ |
| / 29 3*\/ 93 | 1 I*\/ 3 || | / 29 3*\/ 93 | 1 I*\/ 3 || | / 29 3*\/ 93 |
| 3 / -- + -------- *|- - - -------|| | 3 / -- + -------- *|- - + -------|| | 3 / -- + -------- |
| 1 1 \/ 2 2 \ 2 2 /| | 1 1 \/ 2 2 \ 2 2 /| | 1 1 \/ 2 2 |
1*(a + 0)*|a + - + -------------------------------------- + ------------------------------------|*|a + - + -------------------------------------- + ------------------------------------|*|a + - + ---------------------- + --------------------|
| 3 _______________ 3 | | 3 _______________ 3 | | 3 _______________ 3 |
| / ___\ / ____ | | / ___\ / ____ | | / ____ |
| | 1 I*\/ 3 | / 29 3*\/ 93 | | | 1 I*\/ 3 | / 29 3*\/ 93 | | / 29 3*\/ 93 |
| 3*|- - - -------|*3 / -- + -------- | | 3*|- - + -------|*3 / -- + -------- | | 3*3 / -- + -------- |
\ \ 2 2 / \/ 2 2 / \ \ 2 2 / \/ 2 2 / \ \/ 2 2 /
$$1 \left(a + 0\right) \left(a + \left(\frac{1}{3} + \frac{\left(- \frac{1}{2} - \frac{\sqrt{3} i}{2}\right) \sqrt[3]{\frac{3 \sqrt{93}}{2} + \frac{29}{2}}}{3} + \frac{1}{3 \left(- \frac{1}{2} - \frac{\sqrt{3} i}{2}\right) \sqrt[3]{\frac{3 \sqrt{93}}{2} + \frac{29}{2}}}\right)\right) \left(a + \left(\frac{1}{3} + \frac{1}{3 \left(- \frac{1}{2} + \frac{\sqrt{3} i}{2}\right) \sqrt[3]{\frac{3 \sqrt{93}}{2} + \frac{29}{2}}} + \frac{\left(- \frac{1}{2} + \frac{\sqrt{3} i}{2}\right) \sqrt[3]{\frac{3 \sqrt{93}}{2} + \frac{29}{2}}}{3}\right)\right) \left(a + \left(\frac{1}{3 \sqrt[3]{\frac{3 \sqrt{93}}{2} + \frac{29}{2}}} + \frac{1}{3} + \frac{\sqrt[3]{\frac{3 \sqrt{93}}{2} + \frac{29}{2}}}{3}\right)\right)$$
(((1*(a + 0))*(a + (1/3 + 1/(3*(-1/2 - i*sqrt(3)/2)*(29/2 + 3*sqrt(93)/2)^(1/3)) + (29/2 + 3*sqrt(93)/2)^(1/3)*(-1/2 - i*sqrt(3)/2)/3)))*(a + (1/3 + 1/(3*(-1/2 + i*sqrt(3)/2)*(29/2 + 3*sqrt(93)/2)^(1/3)) + (29/2 + 3*sqrt(93)/2)^(1/3)*(-1/2 + i*sqrt(3)/2)/3)))*(a + (1/3 + 1/(3*(29/2 + 3*sqrt(93)/2)^(1/3)) + (29/2 + 3*sqrt(93)/2)^(1/3)/3))
Подстановка условия
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(a^2 + 1)^2 + (a - 1*1)*(a^2 + 1) - a^2 при a = 1
2
/ 2 \ / 2 \ 2
\a + 1/ + (a - 1)*\a + 1/ - a
$$- a^{2} + \left(a - 1\right) \left(a^{2} + 1\right) + \left(a^{2} + 1\right)^{2}$$
$$a^{4} + a^{3} + a$$
$$a = 1$$
$$(1)^{4} + (1)^{3} + (1)$$
$$1 + 1^{3} + 1^{4}$$
$$3$$