/ 6 4 2\
2*a*\- 8*b + 9*a + 6*a*b /
$$2 a \left(9 a^{4} + 6 a b^{2} - 8 b^{6}\right)$$
Разложение на множители
[src] / // _____________________________________ \\ / // _____________________________________ \\ / // _____________________________________ \\ / // _____________________________________ \\
| || / _____ || | || / _____ || | || / _____ || | || / _____ ||
| || / 3 ____ 3 / 4 2/3 3 ___ 2 || | || / 3 ____ 3 / 4 2/3 3 ___ 2 || | || / 3 ____ 3 / 4 2/3 3 ___ 2 || | || / 3 ____ 3 / 4 2/3 3 ___ 2 ||
| || / \/ 12 *\/ -b 2*2 *\/ 3 *b || | || / \/ 12 *\/ -b 2*2 *\/ 3 *b || | || / \/ 12 *\/ -b 2*2 *\/ 3 *b || | || / \/ 12 *\/ -b 2*2 *\/ 3 *b ||
| || / --------------- + ----------------- || | || / --------------- + ----------------- || | || / --------------- - ----------------- || | || / --------------- - ----------------- ||
| || / 3 ___________ ___________ || | || / 3 ___________ ___________ || | || / 3 ___________ ___________ || | || / 3 ___________ ___________ ||
| || / / _____ / _____ || | || / / _____ / _____ || | || / / _____ / _____ || | || / / _____ / _____ ||
| || / / 3 / 4 3 ___ 2/3 / 3 / 4 6 || | || / / 3 / 4 3 ___ 2/3 / 3 / 4 6 || | || / / 3 / 4 3 ___ 2/3 / 3 / 4 6 || | || / / 3 / 4 3 ___ 2/3 / 3 / 4 6 ||
| || \/ 3*\/ -\/ -b \/ 2 *3 *\/ -\/ -b 8*b || | || \/ 3*\/ -\/ -b \/ 2 *3 *\/ -\/ -b 8*b || | || \/ 3*\/ -\/ -b \/ 2 *3 *\/ -\/ -b 8*b || | || \/ 3*\/ -\/ -b \/ 2 *3 *\/ -\/ -b 8*b ||
| || - ---------------------------------------------- - -------------------------- for ---- = 0|| | || ---------------------------------------------- - -------------------------- for ---- = 0|| | || - ---------------------------------------------- + -------------------------- for ---- = 0|| | || ---------------------------------------------- + -------------------------- for ---- = 0||
| || 2 6 9 || | || 2 6 9 || | || 2 6 9 || | || 2 6 9 ||
| || || | || || | || || | || ||
| || _______________________________________________________________________________________________________________________________________________________________________________ || | || _______________________________________________________________________________________________________________________________________________________________________________ || | || _______________________________________________________________________________________________________________________________________________________________________________ || | || _______________________________________________________________________________________________________________________________________________________________________________ ||
| || / ____________________________ || | || / ____________________________ || | || / ____________________________ || | || / ____________________________ ||
| || / / ________________ || | || / / ________________ || | || / / ________________ || | || / / ________________ ||
| || / / / 8 18 4 2 6 || | || / / / 8 18 4 2 6 || | || / / / 8 18 4 2 6 || | || / / / 8 18 4 2 6 ||
a*|a - |< / / / b 512*b b 4*b 16*b ||*|a - |< / / / b 512*b b 4*b 16*b ||*|a - |< / / / b 512*b b 4*b 16*b ||*|a - |< / / / b 512*b b 4*b 16*b ||
| || / - 2*3 / / ---- + ------- + -- + -------------------------------------------------------------------------------------------- + ------------------------------------- || | || / - 2*3 / / ---- + ------- + -- + -------------------------------------------------------------------------------------------- + ------------------------------------- || | || / - 2*3 / / ---- + ------- + -- - -------------------------------------------------------------------------------------------- + ------------------------------------- || | || / - 2*3 / / ---- + ------- + -- - -------------------------------------------------------------------------------------------- + ------------------------------------- ||
| || ______________________________________________________________________________ / \/ \/ 1296 19683 36 ______________________________________________________________________________ ____________________________ || | || / \/ \/ 1296 19683 36 ______________________________________________________________________________ ____________________________ ______________________________________________________________________________ || | || ______________________________________________________________________________ / \/ \/ 1296 19683 36 ______________________________________________________________________________ ____________________________ || | || ______________________________________________________________________________ / \/ \/ 1296 19683 36 ______________________________________________________________________________ ____________________________ ||
| || / ____________________________ / / ____________________________ / ________________ || | || / / ____________________________ / ________________ / ____________________________ || | || / ____________________________ / / ____________________________ / ________________ || | || / ____________________________ / / ____________________________ / ________________ ||
| || / / ________________ / / / ________________ / / 8 18 4 || | || / / / ________________ / / 8 18 4 / / ________________ || | || / / ________________ / / / ________________ / / 8 18 4 || | || / / ________________ / / / ________________ / / 8 18 4 ||
| || / / / 8 18 4 6 / / / / 8 18 4 6 / / b 512*b b || | || / / / / 8 18 4 6 / / b 512*b b / / / 8 18 4 6 || | || / / / 8 18 4 6 / / / / 8 18 4 6 / / b 512*b b || | || / / / 8 18 4 6 / / / / 8 18 4 6 / / b 512*b b ||
| || / / / b 512*b b 16*b / / / / b 512*b b 16*b 27*3 / / ---- + ------- + -- || | || / / / / b 512*b b 16*b 27*3 / / ---- + ------- + -- / / / b 512*b b 16*b || | || / / / b 512*b b 16*b / / / / b 512*b b 16*b 27*3 / / ---- + ------- + -- || | || / / / b 512*b b 16*b / / / / b 512*b b 16*b 27*3 / / ---- + ------- + -- ||
| || / 2*3 / / ---- + ------- + -- - ------------------------------------- / 3* / 2*3 / / ---- + ------- + -- - ------------------------------------- \/ \/ 1296 19683 36 || | || / 3* / 2*3 / / ---- + ------- + -- - ------------------------------------- \/ \/ 1296 19683 36 / 2*3 / / ---- + ------- + -- - ------------------------------------- || | || / 2*3 / / ---- + ------- + -- - ------------------------------------- / 3* / 2*3 / / ---- + ------- + -- - ------------------------------------- \/ \/ 1296 19683 36 || | || / 2*3 / / ---- + ------- + -- - ------------------------------------- / 3* / 2*3 / / ---- + ------- + -- - ------------------------------------- \/ \/ 1296 19683 36 ||
| || / \/ \/ 1296 19683 36 ____________________________ / / \/ \/ 1296 19683 36 ____________________________ || | || / / \/ \/ 1296 19683 36 ____________________________ / \/ \/ 1296 19683 36 ____________________________ || | || / \/ \/ 1296 19683 36 ____________________________ / / \/ \/ 1296 19683 36 ____________________________ || | || / \/ \/ 1296 19683 36 ____________________________ / / \/ \/ 1296 19683 36 ____________________________ ||
| || / / ________________ / / / ________________ || | || / / / ________________ / / ________________ || | || / / ________________ / / / ________________ || | || / / ________________ / / / ________________ ||
| || / / / 8 18 4 / / / / 8 18 4 || | || / / / / 8 18 4 / / / 8 18 4 || | || / / / 8 18 4 / / / / 8 18 4 || | || / / / 8 18 4 / / / / 8 18 4 ||
| || / / / b 512*b b / / / / b 512*b b || | || / / / / b 512*b b / / / b 512*b b || | || / / / b 512*b b / / / / b 512*b b || | || / / / b 512*b b / / / / b 512*b b ||
| || / 27*3 / / ---- + ------- + -- / / 27*3 / / ---- + ------- + -- || | || / / 27*3 / / ---- + ------- + -- / 27*3 / / ---- + ------- + -- || | || / 27*3 / / ---- + ------- + -- / / 27*3 / / ---- + ------- + -- || | || / 27*3 / / ---- + ------- + -- / / 27*3 / / ---- + ------- + -- ||
| || \/ \/ \/ 1296 19683 36 \/ \/ \/ \/ 1296 19683 36 || | ||\/ \/ \/ \/ 1296 19683 36 \/ \/ \/ 1296 19683 36 || | ||\/ \/ \/ 1296 19683 36 \/ \/ \/ \/ 1296 19683 36 || | ||\/ \/ \/ 1296 19683 36 \/ \/ \/ \/ 1296 19683 36 ||
| ||- ------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- otherwise || | ||------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- - ------------------------------------------------------------------------------------------ otherwise || | ||------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- otherwise || | ||------------------------------------------------------------------------------------------ + ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- otherwise ||
| || 2 2 || | || 2 2 || | || 2 2 || | || 2 2 ||
\ \\ // \ \\ // \ \\ // \ \\ //
$$a \left(a - \begin{cases} - \frac{\sqrt[3]{2} \cdot 3^{\frac{2}{3}} \sqrt{- \sqrt[3]{- b^{4}}}}{6} - \frac{\sqrt{\frac{2 \cdot 2^{\frac{2}{3}} \sqrt[3]{3} b^{2}}{3 \sqrt{- \sqrt[3]{- b^{4}}}} + \frac{\sqrt[3]{12} \sqrt[3]{- b^{4}}}{3}}}{2} & \text{for}\: \frac{8 b^{6}}{9} = 0 \\- \frac{\sqrt{- \frac{16 b^{6}}{27 \sqrt[3]{\frac{b^{4}}{36} + \sqrt{\frac{512 b^{18}}{19683} + \frac{b^{8}}{1296}}}} + 2 \sqrt[3]{\frac{b^{4}}{36} + \sqrt{\frac{512 b^{18}}{19683} + \frac{b^{8}}{1296}}}}}{2} - \frac{\sqrt{\frac{16 b^{6}}{27 \sqrt[3]{\frac{b^{4}}{36} + \sqrt{\frac{512 b^{18}}{19683} + \frac{b^{8}}{1296}}}} + \frac{4 b^{2}}{3 \sqrt{- \frac{16 b^{6}}{27 \sqrt[3]{\frac{b^{4}}{36} + \sqrt{\frac{512 b^{18}}{19683} + \frac{b^{8}}{1296}}}} + 2 \sqrt[3]{\frac{b^{4}}{36} + \sqrt{\frac{512 b^{18}}{19683} + \frac{b^{8}}{1296}}}}} - 2 \sqrt[3]{\frac{b^{4}}{36} + \sqrt{\frac{512 b^{18}}{19683} + \frac{b^{8}}{1296}}}}}{2} & \text{otherwise} \end{cases}\right) \left(a - \begin{cases} - \frac{\sqrt[3]{2} \cdot 3^{\frac{2}{3}} \sqrt{- \sqrt[3]{- b^{4}}}}{6} + \frac{\sqrt{\frac{2 \cdot 2^{\frac{2}{3}} \sqrt[3]{3} b^{2}}{3 \sqrt{- \sqrt[3]{- b^{4}}}} + \frac{\sqrt[3]{12} \sqrt[3]{- b^{4}}}{3}}}{2} & \text{for}\: \frac{8 b^{6}}{9} = 0 \\- \frac{\sqrt{- \frac{16 b^{6}}{27 \sqrt[3]{\frac{b^{4}}{36} + \sqrt{\frac{512 b^{18}}{19683} + \frac{b^{8}}{1296}}}} + 2 \sqrt[3]{\frac{b^{4}}{36} + \sqrt{\frac{512 b^{18}}{19683} + \frac{b^{8}}{1296}}}}}{2} + \frac{\sqrt{\frac{16 b^{6}}{27 \sqrt[3]{\frac{b^{4}}{36} + \sqrt{\frac{512 b^{18}}{19683} + \frac{b^{8}}{1296}}}} + \frac{4 b^{2}}{3 \sqrt{- \frac{16 b^{6}}{27 \sqrt[3]{\frac{b^{4}}{36} + \sqrt{\frac{512 b^{18}}{19683} + \frac{b^{8}}{1296}}}} + 2 \sqrt[3]{\frac{b^{4}}{36} + \sqrt{\frac{512 b^{18}}{19683} + \frac{b^{8}}{1296}}}}} - 2 \sqrt[3]{\frac{b^{4}}{36} + \sqrt{\frac{512 b^{18}}{19683} + \frac{b^{8}}{1296}}}}}{2} & \text{otherwise} \end{cases}\right) \left(a - \begin{cases} \frac{\sqrt[3]{2} \cdot 3^{\frac{2}{3}} \sqrt{- \sqrt[3]{- b^{4}}}}{6} - \frac{\sqrt{- \frac{2 \cdot 2^{\frac{2}{3}} \sqrt[3]{3} b^{2}}{3 \sqrt{- \sqrt[3]{- b^{4}}}} + \frac{\sqrt[3]{12} \sqrt[3]{- b^{4}}}{3}}}{2} & \text{for}\: \frac{8 b^{6}}{9} = 0 \\\frac{\sqrt{- \frac{16 b^{6}}{27 \sqrt[3]{\frac{b^{4}}{36} + \sqrt{\frac{512 b^{18}}{19683} + \frac{b^{8}}{1296}}}} + 2 \sqrt[3]{\frac{b^{4}}{36} + \sqrt{\frac{512 b^{18}}{19683} + \frac{b^{8}}{1296}}}}}{2} - \frac{\sqrt{\frac{16 b^{6}}{27 \sqrt[3]{\frac{b^{4}}{36} + \sqrt{\frac{512 b^{18}}{19683} + \frac{b^{8}}{1296}}}} - \frac{4 b^{2}}{3 \sqrt{- \frac{16 b^{6}}{27 \sqrt[3]{\frac{b^{4}}{36} + \sqrt{\frac{512 b^{18}}{19683} + \frac{b^{8}}{1296}}}} + 2 \sqrt[3]{\frac{b^{4}}{36} + \sqrt{\frac{512 b^{18}}{19683} + \frac{b^{8}}{1296}}}}} - 2 \sqrt[3]{\frac{b^{4}}{36} + \sqrt{\frac{512 b^{18}}{19683} + \frac{b^{8}}{1296}}}}}{2} & \text{otherwise} \end{cases}\right) \left(a - \begin{cases} \frac{\sqrt[3]{2} \cdot 3^{\frac{2}{3}} \sqrt{- \sqrt[3]{- b^{4}}}}{6} + \frac{\sqrt{- \frac{2 \cdot 2^{\frac{2}{3}} \sqrt[3]{3} b^{2}}{3 \sqrt{- \sqrt[3]{- b^{4}}}} + \frac{\sqrt[3]{12} \sqrt[3]{- b^{4}}}{3}}}{2} & \text{for}\: \frac{8 b^{6}}{9} = 0 \\\frac{\sqrt{- \frac{16 b^{6}}{27 \sqrt[3]{\frac{b^{4}}{36} + \sqrt{\frac{512 b^{18}}{19683} + \frac{b^{8}}{1296}}}} + 2 \sqrt[3]{\frac{b^{4}}{36} + \sqrt{\frac{512 b^{18}}{19683} + \frac{b^{8}}{1296}}}}}{2} + \frac{\sqrt{\frac{16 b^{6}}{27 \sqrt[3]{\frac{b^{4}}{36} + \sqrt{\frac{512 b^{18}}{19683} + \frac{b^{8}}{1296}}}} - \frac{4 b^{2}}{3 \sqrt{- \frac{16 b^{6}}{27 \sqrt[3]{\frac{b^{4}}{36} + \sqrt{\frac{512 b^{18}}{19683} + \frac{b^{8}}{1296}}}} + 2 \sqrt[3]{\frac{b^{4}}{36} + \sqrt{\frac{512 b^{18}}{19683} + \frac{b^{8}}{1296}}}}} - 2 \sqrt[3]{\frac{b^{4}}{36} + \sqrt{\frac{512 b^{18}}{19683} + \frac{b^{8}}{1296}}}}}{2} & \text{otherwise} \end{cases}\right)$$
Объединение рациональных выражений
[src] / 6 / 2 3\\
2*a*\- 8*b + 3*a*\2*b + 3*a //
$$2 a \left(3 a \left(3 a^{3} + 2 b^{2}\right) - 8 b^{6}\right)$$
5 6 2 2
18*a - 16*a*b + 12*a *b
$$18 a^{5} + 12 a^{2} b^{2} - 16 a b^{6}$$
/ 6 4 2\
2*a*\- 8*b + 9*a + 6*a*b /
$$2 a \left(9 a^{4} + 6 a b^{2} - 8 b^{6}\right)$$