Разложение на множители
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/ _________________ \ / _________________ \ / _________________ \ / _________________ \
| / ___ ___| | / ___ ___| | / ___ ___| | / ___ ___|
| 1 / 1 7*I*\/ 3 I*\/ 3 | | 1 / 1 7*I*\/ 3 I*\/ 3 | | 1 / 1 7*I*\/ 3 I*\/ 3 | | 1 / 1 7*I*\/ 3 I*\/ 3 |
1*(m + 1)*(m + 0)*|m + - - - / - - + --------- + -------|*|m + - - + / - - - --------- - -------|*|m + - - - / - - - --------- - -------|*|m + - - + / - - + --------- + -------|
\ 4 \/ 8 8 4 / \ 4 \/ 8 8 4 / \ 4 \/ 8 8 4 / \ 4 \/ 8 8 4 /
$$\left(m + 0\right) 1 \left(m + 1\right) \left(m - \left(\frac{1}{4} - \frac{\sqrt{3} i}{4} + \sqrt{- \frac{1}{8} + \frac{7 \sqrt{3} i}{8}}\right)\right) \left(m - \left(\frac{1}{4} + \frac{\sqrt{3} i}{4} - \sqrt{- \frac{1}{8} - \frac{7 \sqrt{3} i}{8}}\right)\right) \left(m - \left(\frac{1}{4} + \sqrt{- \frac{1}{8} - \frac{7 \sqrt{3} i}{8}} + \frac{\sqrt{3} i}{4}\right)\right) \left(m + \left(- \frac{1}{4} + \frac{\sqrt{3} i}{4} + \sqrt{- \frac{1}{8} + \frac{7 \sqrt{3} i}{8}}\right)\right)$$
(((((1*(m + 1))*(m + 0))*(m - (1/4 - sqrt(-1/8 + 7*i*sqrt(3)/8) + i*sqrt(3)/4)))*(m - (1/4 + sqrt(-1/8 - 7*i*sqrt(3)/8) - i*sqrt(3)/4)))*(m - (1/4 - sqrt(-1/8 - 7*i*sqrt(3)/8) - i*sqrt(3)/4)))*(m - (1/4 + sqrt(-1/8 + 7*i*sqrt(3)/8) + i*sqrt(3)/4))
Подстановка условия
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2*m^6 - 4*m^3 + 6*m при m = 3
$$2 m^{6} - 4 m^{3} + 6 m$$
/ 5 2\
2*m*\3 + m - 2*m /
$$2 m \left(m^{5} - 2 m^{2} + 3\right)$$
$$m = 3$$
/ 5 2\
2*(3)*\3 + (3) - 2*(3) /
$$2 (3) \left((3)^{5} - 2 (3)^{2} + 3\right)$$
/ 5 2\
2*3*\3 + 3 - 2*3 /
$$2 \cdot 3 \left(- 2 \cdot 3^{2} + 3 + 3^{5}\right)$$
$$1368$$