/ 2 \ / 4 3 2\
\18 + 7*p + 15*p/*\2 + p + 6*p + 33*p /
$$\left(7 p^{2} + 15 p + 18\right) \left(p^{4} + 6 p^{3} + 33 p^{2} + 2\right)$$
(18 + 7*p^2 + 15*p)*(2 + p^4 + 6*p^3 + 33*p^2)
Разложение на множители
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/ _______________________________________________________________________________________________________________________________________________________\ / _______________________________________________________________________________________________________________________________________________________\ / _______________________________________________________________________________________________________________________________________________________ \ / _______________________________________________________________________________________________________________________________________________________\
| / ______________________ | | / ______________________ | | / ______________________ | | / ______________________ |
| / / _________ | | / / _________ | | / / _________ | | / / _________ |
| / 144 / 1279 I*\/ 1293207 371 | | / / 1279 I*\/ 1293207 144 371 | | / 144 / 1279 I*\/ 1293207 371 | | / / 1279 I*\/ 1293207 144 371 |
| / -26 - ------------------------------------------------------------------------------- - 2*3 / ---- + ------------- - ----------------------------- | | / -26 - 2*3 / ---- + ------------- + ------------------------------------------------------------------------------- - ----------------------------- | | / -26 - ------------------------------------------------------------------------------- - 2*3 / ---- + ------------- - ----------------------------- | | / -26 - 2*3 / ---- + ------------- + ------------------------------------------------------------------------------- - ----------------------------- |
| _____________________________________________________________________ / _____________________________________________________________________ \/ 8 18 ______________________ | | _____________________________________________________________________ / \/ 8 18 _____________________________________________________________________ ______________________ | | / _____________________________________________________________________ \/ 8 18 ______________________ _____________________________________________________________________| | _____________________________________________________________________ / \/ 8 18 _____________________________________________________________________ ______________________ |
| / ______________________ / / ______________________ / _________ | | / ______________________ / / ______________________ / _________ | | / / ______________________ / _________ / ______________________ | | / ______________________ / / ______________________ / _________ |
| / / _________ / / / _________ / 1279 I*\/ 1293207 | | / / _________ / / / _________ / 1279 I*\/ 1293207 | | / / / _________ / 1279 I*\/ 1293207 / / _________ | | / / _________ / / / _________ / 1279 I*\/ 1293207 |
| / / 1279 I*\/ 1293207 371 / / / 1279 I*\/ 1293207 371 6*3 / ---- + ------------- | | / / 1279 I*\/ 1293207 371 / / / 1279 I*\/ 1293207 371 6*3 / ---- + ------------- | | / / / 1279 I*\/ 1293207 371 6*3 / ---- + ------------- / / 1279 I*\/ 1293207 371 | | / / 1279 I*\/ 1293207 371 / / / 1279 I*\/ 1293207 371 6*3 / ---- + ------------- |
| / -13 + 2*3 / ---- + ------------- + ----------------------------- / / -13 + 2*3 / ---- + ------------- + ----------------------------- \/ 8 18 | | / -13 + 2*3 / ---- + ------------- + ----------------------------- / / -13 + 2*3 / ---- + ------------- + ----------------------------- \/ 8 18 | | / / -13 + 2*3 / ---- + ------------- + ----------------------------- \/ 8 18 / -13 + 2*3 / ---- + ------------- + ----------------------------- | | / -13 + 2*3 / ---- + ------------- + ----------------------------- / / -13 + 2*3 / ---- + ------------- + ----------------------------- \/ 8 18 |
| / \/ 8 18 ______________________ / / \/ 8 18 ______________________ | | / \/ 8 18 ______________________ / / \/ 8 18 ______________________ | | / / \/ 8 18 ______________________ / \/ 8 18 ______________________ | | / \/ 8 18 ______________________ / / \/ 8 18 ______________________ |
| / / _________ / / / _________ | | / / _________ / / / _________ | | / / / _________ / / _________ | | / / _________ / / / _________ |
| / / 1279 I*\/ 1293207 / / / 1279 I*\/ 1293207 | | / / 1279 I*\/ 1293207 / / / 1279 I*\/ 1293207 | | / / / 1279 I*\/ 1293207 / / 1279 I*\/ 1293207 | | / / 1279 I*\/ 1293207 / / / 1279 I*\/ 1293207 |
/ ____\ / ____\ | / 6*3 / ---- + ------------- / / 6*3 / ---- + ------------- | | / 6*3 / ---- + ------------- / / 6*3 / ---- + ------------- | | / / 6*3 / ---- + ------------- / 6*3 / ---- + ------------- | | / 6*3 / ---- + ------------- / / 6*3 / ---- + ------------- |
| 15 3*I*\/ 31 | | 15 3*I*\/ 31 | | 3 \/ \/ 8 18 \/ \/ \/ 8 18 | | 3 \/ \/ 8 18 \/ \/ \/ 8 18 | | 3 \/ \/ \/ 8 18 \/ \/ 8 18 | | 3 \/ \/ 8 18 \/ \/ \/ 8 18 |
1*|p + -- + ----------|*|p + -- - ----------|*|p + - + ------------------------------------------------------------------------------- + ----------------------------------------------------------------------------------------------------------------------------------------------------------------------|*|p + - - ------------------------------------------------------------------------------- + ----------------------------------------------------------------------------------------------------------------------------------------------------------------------|*|p + - - ---------------------------------------------------------------------------------------------------------------------------------------------------------------------- + -------------------------------------------------------------------------------|*|p + - - ------------------------------------------------------------------------------- - ----------------------------------------------------------------------------------------------------------------------------------------------------------------------|
\ 14 14 / \ 14 14 / \ 2 2 2 / \ 2 2 2 / \ 2 2 2 / \ 2 2 2 /
$$\left(p + \left(\frac{15}{14} - \frac{3 \sqrt{31} i}{14}\right)\right) 1 \left(p + \left(\frac{15}{14} + \frac{3 \sqrt{31} i}{14}\right)\right) \left(p + \left(\frac{3}{2} + \frac{\sqrt{-26 - 2 \sqrt[3]{\frac{1279}{8} + \frac{\sqrt{1293207} i}{18}} - \frac{144}{\sqrt{-13 + \frac{371}{6 \sqrt[3]{\frac{1279}{8} + \frac{\sqrt{1293207} i}{18}}} + 2 \sqrt[3]{\frac{1279}{8} + \frac{\sqrt{1293207} i}{18}}}} - \frac{371}{6 \sqrt[3]{\frac{1279}{8} + \frac{\sqrt{1293207} i}{18}}}}}{2} + \frac{\sqrt{-13 + \frac{371}{6 \sqrt[3]{\frac{1279}{8} + \frac{\sqrt{1293207} i}{18}}} + 2 \sqrt[3]{\frac{1279}{8} + \frac{\sqrt{1293207} i}{18}}}}{2}\right)\right) \left(p + \left(\frac{3}{2} + \frac{\sqrt{-26 - 2 \sqrt[3]{\frac{1279}{8} + \frac{\sqrt{1293207} i}{18}} + \frac{144}{\sqrt{-13 + \frac{371}{6 \sqrt[3]{\frac{1279}{8} + \frac{\sqrt{1293207} i}{18}}} + 2 \sqrt[3]{\frac{1279}{8} + \frac{\sqrt{1293207} i}{18}}}} - \frac{371}{6 \sqrt[3]{\frac{1279}{8} + \frac{\sqrt{1293207} i}{18}}}}}{2} - \frac{\sqrt{-13 + \frac{371}{6 \sqrt[3]{\frac{1279}{8} + \frac{\sqrt{1293207} i}{18}}} + 2 \sqrt[3]{\frac{1279}{8} + \frac{\sqrt{1293207} i}{18}}}}{2}\right)\right) \left(p + \left(\frac{3}{2} + \frac{\sqrt{-13 + \frac{371}{6 \sqrt[3]{\frac{1279}{8} + \frac{\sqrt{1293207} i}{18}}} + 2 \sqrt[3]{\frac{1279}{8} + \frac{\sqrt{1293207} i}{18}}}}{2} - \frac{\sqrt{-26 - 2 \sqrt[3]{\frac{1279}{8} + \frac{\sqrt{1293207} i}{18}} - \frac{144}{\sqrt{-13 + \frac{371}{6 \sqrt[3]{\frac{1279}{8} + \frac{\sqrt{1293207} i}{18}}} + 2 \sqrt[3]{\frac{1279}{8} + \frac{\sqrt{1293207} i}{18}}}} - \frac{371}{6 \sqrt[3]{\frac{1279}{8} + \frac{\sqrt{1293207} i}{18}}}}}{2}\right)\right) \left(p - \left(- \frac{3}{2} + \frac{\sqrt{-26 - 2 \sqrt[3]{\frac{1279}{8} + \frac{\sqrt{1293207} i}{18}} + \frac{144}{\sqrt{-13 + \frac{371}{6 \sqrt[3]{\frac{1279}{8} + \frac{\sqrt{1293207} i}{18}}} + 2 \sqrt[3]{\frac{1279}{8} + \frac{\sqrt{1293207} i}{18}}}} - \frac{371}{6 \sqrt[3]{\frac{1279}{8} + \frac{\sqrt{1293207} i}{18}}}}}{2} + \frac{\sqrt{-13 + \frac{371}{6 \sqrt[3]{\frac{1279}{8} + \frac{\sqrt{1293207} i}{18}}} + 2 \sqrt[3]{\frac{1279}{8} + \frac{\sqrt{1293207} i}{18}}}}{2}\right)\right)$$
(((((1*(p + (15/14 + 3*i*sqrt(31)/14)))*(p + (15/14 - 3*i*sqrt(31)/14)))*(p + (3/2 + sqrt(-13 + 2*(1279/8 + i*sqrt(1293207)/18)^(1/3) + 371/(6*(1279/8 + i*sqrt(1293207)/18)^(1/3)))/2 + sqrt(-26 - 144/sqrt(-13 + 2*(1279/8 + i*sqrt(1293207)/18)^(1/3) + 371/(6*(1279/8 + i*sqrt(1293207)/18)^(1/3))) - 2*(1279/8 + i*sqrt(1293207)/18)^(1/3) - 371/(6*(1279/8 + i*sqrt(1293207)/18)^(1/3)))/2)))*(p + (3/2 - sqrt(-13 + 2*(1279/8 + i*sqrt(1293207)/18)^(1/3) + 371/(6*(1279/8 + i*sqrt(1293207)/18)^(1/3)))/2 + sqrt(-26 - 2*(1279/8 + i*sqrt(1293207)/18)^(1/3) + 144/sqrt(-13 + 2*(1279/8 + i*sqrt(1293207)/18)^(1/3) + 371/(6*(1279/8 + i*sqrt(1293207)/18)^(1/3))) - 371/(6*(1279/8 + i*sqrt(1293207)/18)^(1/3)))/2)))*(p + (3/2 - sqrt(-26 - 144/sqrt(-13 + 2*(1279/8 + i*sqrt(1293207)/18)^(1/3) + 371/(6*(1279/8 + i*sqrt(1293207)/18)^(1/3))) - 2*(1279/8 + i*sqrt(1293207)/18)^(1/3) - 371/(6*(1279/8 + i*sqrt(1293207)/18)^(1/3)))/2 + sqrt(-13 + 2*(1279/8 + i*sqrt(1293207)/18)^(1/3) + 371/(6*(1279/8 + i*sqrt(1293207)/18)^(1/3)))/2)))*(p + (3/2 - sqrt(-13 + 2*(1279/8 + i*sqrt(1293207)/18)^(1/3) + 371/(6*(1279/8 + i*sqrt(1293207)/18)^(1/3)))/2 - sqrt(-26 - 2*(1279/8 + i*sqrt(1293207)/18)^(1/3) + 144/sqrt(-13 + 2*(1279/8 + i*sqrt(1293207)/18)^(1/3) + 371/(6*(1279/8 + i*sqrt(1293207)/18)^(1/3))) - 371/(6*(1279/8 + i*sqrt(1293207)/18)^(1/3)))/2))
Подстановка условия
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(p^2 + 2*3*p^2 + 6*p + 3^2*p + 3*6)*(p^4 + 2*3*p^3 + 6*p^2 + 3^2*p^2 + 3*6*p^2 + 2) при p = -1/3
/ 2 2 2 \ / 4 3 2 2 2 2 \
\p + 2*3*p + 6*p + 3 *p + 3*6/*\p + 2*3*p + 6*p + 3 *p + 3*6*p + 2/
$$\left(p^{2} + 2 \cdot 3 p^{2} + 6 p + 3^{2} p + 3 \cdot 6\right) \left(p^{4} + 2 \cdot 3 p^{3} + 6 p^{2} + 3^{2} p^{2} + 3 \cdot 6 p^{2} + 2\right)$$
/ 2 \ / 4 3 2\
\18 + 7*p + 15*p/*\2 + p + 6*p + 33*p /
$$\left(7 p^{2} + 15 p + 18\right) \left(p^{4} + 6 p^{3} + 33 p^{2} + 2\right)$$
$$p = - \frac{1}{3}$$
/ 2 \ / 4 3 2\
\18 + 7*(-1/3) + 15*(-1/3)/*\2 + (-1/3) + 6*(-1/3) + 33*(-1/3) /
$$\left(7 (-1/3)^{2} + 15 (-1/3) + 18\right) \left((-1/3)^{4} + 6 (-1/3)^{3} + 33 (-1/3)^{2} + 2\right)$$
$$\frac{54808}{729}$$
/ 2 \ / 4 3 2\
\18 + 7*p + 15*p/*\2 + p + 6*p + 33*p /
$$\left(7 p^{2} + 15 p + 18\right) \left(p^{4} + 6 p^{3} + 33 p^{2} + 2\right)$$
(18 + 7*p^2 + 15*p)*(2 + p^4 + 6*p^3 + 33*p^2)
Рациональный знаменатель
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6 5 4 3 2
36 + 7*p + 30*p + 57*p + 339*p + 603*p + 608*p
$$7 p^{6} + 57 p^{5} + 339 p^{4} + 603 p^{3} + 608 p^{2} + 30 p + 36$$
/ 2 \ / 4 3 2\
\18 + 7*p + 15*p/*\2 + p + 6*p + 33*p /
$$\left(7 p^{2} + 15 p + 18\right) \left(p^{4} + 6 p^{3} + 33 p^{2} + 2\right)$$
(18 + 7*p^2 + 15*p)*(2 + p^4 + 6*p^3 + 33*p^2)
/ 2 \ / 4 3 2\
\18 + 7*p + 15*p/*\2 + p + 6*p + 33*p /
$$\left(7 p^{2} + 15 p + 18\right) \left(p^{4} + 6 p^{3} + 33 p^{2} + 2\right)$$
(18 + 7*p^2 + 15*p)*(2 + p^4 + 6*p^3 + 33*p^2)
6 5 4 3 2
36 + 7*p + 30*p + 57*p + 339*p + 603*p + 608*p
$$7 p^{6} + 57 p^{5} + 339 p^{4} + 603 p^{3} + 608 p^{2} + 30 p + 36$$
36 + 7*p^6 + 30*p + 57*p^5 + 339*p^4 + 603*p^3 + 608*p^2
/ 2 \ / 4 3 2\
\18 + 7*p + 15*p/*\2 + p + 6*p + 33*p /
$$\left(7 p^{2} + 15 p + 18\right) \left(p^{4} + 6 p^{3} + 33 p^{2} + 2\right)$$
(18 + 7*p^2 + 15*p)*(2 + p^4 + 6*p^3 + 33*p^2)
(18.0 + 7.0*p^2 + 15.0*p)*(2.0 + p^4 + 6.0*p^3 + 33.0*p^2)
(18.0 + 7.0*p^2 + 15.0*p)*(2.0 + p^4 + 6.0*p^3 + 33.0*p^2)
Объединение рациональных выражений
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/ 2 \ / 4 3 2\
\18 + 7*p + 15*p/*\2 + p + 6*p + 33*p /
$$\left(7 p^{2} + 15 p + 18\right) \left(p^{4} + 6 p^{3} + 33 p^{2} + 2\right)$$
(18 + 7*p^2 + 15*p)*(2 + p^4 + 6*p^3 + 33*p^2)