Optimal. Leaf size=91 \[ \frac {2 a^4 (a+b x)^{11/2}}{11 b^5}-\frac {8 a^3 (a+b x)^{13/2}}{13 b^5}+\frac {4 a^2 (a+b x)^{15/2}}{5 b^5}-\frac {8 a (a+b x)^{17/2}}{17 b^5}+\frac {2 (a+b x)^{19/2}}{19 b^5} \]
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Rubi [A]
time = 0.02, antiderivative size = 91, normalized size of antiderivative = 1.00, number of steps
used = 2, number of rules used = 1, integrand size = 13, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.077, Rules used = {45}
\begin {gather*} \frac {2 a^4 (a+b x)^{11/2}}{11 b^5}-\frac {8 a^3 (a+b x)^{13/2}}{13 b^5}+\frac {4 a^2 (a+b x)^{15/2}}{5 b^5}+\frac {2 (a+b x)^{19/2}}{19 b^5}-\frac {8 a (a+b x)^{17/2}}{17 b^5} \end {gather*}
Antiderivative was successfully verified.
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Rule 45
Rubi steps
\begin {align*} \int x^4 (a+b x)^{9/2} \, dx &=\int \left (\frac {a^4 (a+b x)^{9/2}}{b^4}-\frac {4 a^3 (a+b x)^{11/2}}{b^4}+\frac {6 a^2 (a+b x)^{13/2}}{b^4}-\frac {4 a (a+b x)^{15/2}}{b^4}+\frac {(a+b x)^{17/2}}{b^4}\right ) \, dx\\ &=\frac {2 a^4 (a+b x)^{11/2}}{11 b^5}-\frac {8 a^3 (a+b x)^{13/2}}{13 b^5}+\frac {4 a^2 (a+b x)^{15/2}}{5 b^5}-\frac {8 a (a+b x)^{17/2}}{17 b^5}+\frac {2 (a+b x)^{19/2}}{19 b^5}\\ \end {align*}
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Mathematica [A]
time = 0.03, size = 57, normalized size = 0.63 \begin {gather*} \frac {2 (a+b x)^{11/2} \left (128 a^4-704 a^3 b x+2288 a^2 b^2 x^2-5720 a b^3 x^3+12155 b^4 x^4\right )}{230945 b^5} \end {gather*}
Antiderivative was successfully verified.
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Mathics [C] Result contains higher order function than in optimal. Order 9 vs. order 2 in
optimal.
time = 3.55, size = 120, normalized size = 1.32 \begin {gather*} \text {Piecewise}\left [\left \{\left \{\frac {2 \left (128 a^9-64 a^8 b x+48 a^7 b^2 x^2-40 a^6 b^3 x^3+35 a^5 b^4 x^4+b^5 x^5 \left (23063 a^4+75086 a^3 b x+95238 a^2 b^2 x^2+55055 a b^3 x^3+12155 b^4 x^4\right )\right ) \sqrt {a+b x}}{230945 b^5},b\text {!=}0\right \}\right \},\frac {a^{\frac {9}{2}} x^5}{5}\right ] \end {gather*}
Warning: Unable to verify antiderivative.
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Maple [A]
time = 0.09, size = 62, normalized size = 0.68
method | result | size |
gosper | \(\frac {2 \left (b x +a \right )^{\frac {11}{2}} \left (12155 b^{4} x^{4}-5720 a \,b^{3} x^{3}+2288 a^{2} b^{2} x^{2}-704 a^{3} b x +128 a^{4}\right )}{230945 b^{5}}\) | \(54\) |
derivativedivides | \(\frac {\frac {2 \left (b x +a \right )^{\frac {19}{2}}}{19}-\frac {8 a \left (b x +a \right )^{\frac {17}{2}}}{17}+\frac {4 a^{2} \left (b x +a \right )^{\frac {15}{2}}}{5}-\frac {8 a^{3} \left (b x +a \right )^{\frac {13}{2}}}{13}+\frac {2 a^{4} \left (b x +a \right )^{\frac {11}{2}}}{11}}{b^{5}}\) | \(62\) |
default | \(\frac {\frac {2 \left (b x +a \right )^{\frac {19}{2}}}{19}-\frac {8 a \left (b x +a \right )^{\frac {17}{2}}}{17}+\frac {4 a^{2} \left (b x +a \right )^{\frac {15}{2}}}{5}-\frac {8 a^{3} \left (b x +a \right )^{\frac {13}{2}}}{13}+\frac {2 a^{4} \left (b x +a \right )^{\frac {11}{2}}}{11}}{b^{5}}\) | \(62\) |
trager | \(\frac {2 \left (12155 b^{9} x^{9}+55055 a \,b^{8} x^{8}+95238 a^{2} b^{7} x^{7}+75086 a^{3} b^{6} x^{6}+23063 a^{4} b^{5} x^{5}+35 a^{5} b^{4} x^{4}-40 a^{6} b^{3} x^{3}+48 a^{7} b^{2} x^{2}-64 a^{8} b x +128 a^{9}\right ) \sqrt {b x +a}}{230945 b^{5}}\) | \(109\) |
risch | \(\frac {2 \left (12155 b^{9} x^{9}+55055 a \,b^{8} x^{8}+95238 a^{2} b^{7} x^{7}+75086 a^{3} b^{6} x^{6}+23063 a^{4} b^{5} x^{5}+35 a^{5} b^{4} x^{4}-40 a^{6} b^{3} x^{3}+48 a^{7} b^{2} x^{2}-64 a^{8} b x +128 a^{9}\right ) \sqrt {b x +a}}{230945 b^{5}}\) | \(109\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A]
time = 0.26, size = 71, normalized size = 0.78 \begin {gather*} \frac {2 \, {\left (b x + a\right )}^{\frac {19}{2}}}{19 \, b^{5}} - \frac {8 \, {\left (b x + a\right )}^{\frac {17}{2}} a}{17 \, b^{5}} + \frac {4 \, {\left (b x + a\right )}^{\frac {15}{2}} a^{2}}{5 \, b^{5}} - \frac {8 \, {\left (b x + a\right )}^{\frac {13}{2}} a^{3}}{13 \, b^{5}} + \frac {2 \, {\left (b x + a\right )}^{\frac {11}{2}} a^{4}}{11 \, b^{5}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 0.32, size = 108, normalized size = 1.19 \begin {gather*} \frac {2 \, {\left (12155 \, b^{9} x^{9} + 55055 \, a b^{8} x^{8} + 95238 \, a^{2} b^{7} x^{7} + 75086 \, a^{3} b^{6} x^{6} + 23063 \, a^{4} b^{5} x^{5} + 35 \, a^{5} b^{4} x^{4} - 40 \, a^{6} b^{3} x^{3} + 48 \, a^{7} b^{2} x^{2} - 64 \, a^{8} b x + 128 \, a^{9}\right )} \sqrt {b x + a}}{230945 \, b^{5}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A]
time = 1.20, size = 212, normalized size = 2.33 \begin {gather*} \begin {cases} \frac {256 a^{9} \sqrt {a + b x}}{230945 b^{5}} - \frac {128 a^{8} x \sqrt {a + b x}}{230945 b^{4}} + \frac {96 a^{7} x^{2} \sqrt {a + b x}}{230945 b^{3}} - \frac {16 a^{6} x^{3} \sqrt {a + b x}}{46189 b^{2}} + \frac {14 a^{5} x^{4} \sqrt {a + b x}}{46189 b} + \frac {46126 a^{4} x^{5} \sqrt {a + b x}}{230945} + \frac {13652 a^{3} b x^{6} \sqrt {a + b x}}{20995} + \frac {1332 a^{2} b^{2} x^{7} \sqrt {a + b x}}{1615} + \frac {154 a b^{3} x^{8} \sqrt {a + b x}}{323} + \frac {2 b^{4} x^{9} \sqrt {a + b x}}{19} & \text {for}\: b \neq 0 \\\frac {a^{\frac {9}{2}} x^{5}}{5} & \text {otherwise} \end {cases} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [B] Leaf count of result is larger than twice the leaf count of optimal. 565 vs.
\(2 (71) = 142\).
time = 0.00, size = 1004, normalized size = 11.03 \begin {gather*} \frac {\frac {2 b^{5} \left (\frac {1}{19} \sqrt {a+b x} \left (a+b x\right )^{9}-\frac {9}{17} \sqrt {a+b x} \left (a+b x\right )^{8} a+\frac {12}{5} \sqrt {a+b x} \left (a+b x\right )^{7} a^{2}-\frac {84}{13} \sqrt {a+b x} \left (a+b x\right )^{6} a^{3}+\frac {126}{11} \sqrt {a+b x} \left (a+b x\right )^{5} a^{4}-14 \sqrt {a+b x} \left (a+b x\right )^{4} a^{5}+12 \sqrt {a+b x} \left (a+b x\right )^{3} a^{6}-\frac {36}{5} \sqrt {a+b x} \left (a+b x\right )^{2} a^{7}+3 \sqrt {a+b x} \left (a+b x\right ) a^{8}-\sqrt {a+b x} a^{9}\right )}{b^{9}}+\frac {10 a b^{4} \left (\frac {1}{17} \sqrt {a+b x} \left (a+b x\right )^{8}-\frac {8}{15} \sqrt {a+b x} \left (a+b x\right )^{7} a+\frac {28}{13} \sqrt {a+b x} \left (a+b x\right )^{6} a^{2}-\frac {56}{11} \sqrt {a+b x} \left (a+b x\right )^{5} a^{3}+\frac {70}{9} \sqrt {a+b x} \left (a+b x\right )^{4} a^{4}-8 \sqrt {a+b x} \left (a+b x\right )^{3} a^{5}+\frac {28}{5} \sqrt {a+b x} \left (a+b x\right )^{2} a^{6}-\frac {8}{3} \sqrt {a+b x} \left (a+b x\right ) a^{7}+\sqrt {a+b x} a^{8}\right )}{b^{8}}+\frac {20 a^{2} b^{3} \left (\frac {1}{15} \sqrt {a+b x} \left (a+b x\right )^{7}-\frac {7}{13} \sqrt {a+b x} \left (a+b x\right )^{6} a+\frac {21}{11} \sqrt {a+b x} \left (a+b x\right )^{5} a^{2}-\frac {35}{9} \sqrt {a+b x} \left (a+b x\right )^{4} a^{3}+5 \sqrt {a+b x} \left (a+b x\right )^{3} a^{4}-\frac {21}{5} \sqrt {a+b x} \left (a+b x\right )^{2} a^{5}+\frac {7}{3} \sqrt {a+b x} \left (a+b x\right ) a^{6}-\sqrt {a+b x} a^{7}\right )}{b^{7}}+\frac {20 a^{3} b^{2} \left (\frac {1}{13} \sqrt {a+b x} \left (a+b x\right )^{6}-\frac {6}{11} \sqrt {a+b x} \left (a+b x\right )^{5} a+\frac {5}{3} \sqrt {a+b x} \left (a+b x\right )^{4} a^{2}-\frac {20}{7} \sqrt {a+b x} \left (a+b x\right )^{3} a^{3}+3 \sqrt {a+b x} \left (a+b x\right )^{2} a^{4}-2 \sqrt {a+b x} \left (a+b x\right ) a^{5}+\sqrt {a+b x} a^{6}\right )}{b^{6}}+\frac {10 a^{4} b \left (\frac {1}{11} \sqrt {a+b x} \left (a+b x\right )^{5}-\frac {5}{9} \sqrt {a+b x} \left (a+b x\right )^{4} a+\frac {10}{7} \sqrt {a+b x} \left (a+b x\right )^{3} a^{2}-2 \sqrt {a+b x} \left (a+b x\right )^{2} a^{3}+\frac {5}{3} \sqrt {a+b x} \left (a+b x\right ) a^{4}-\sqrt {a+b x} a^{5}\right )}{b^{5}}+\frac {2 a^{5} \left (\frac {1}{9} \sqrt {a+b x} \left (a+b x\right )^{4}-\frac {4}{7} \sqrt {a+b x} \left (a+b x\right )^{3} a+\frac {6}{5} \sqrt {a+b x} \left (a+b x\right )^{2} a^{2}-\frac {4}{3} \sqrt {a+b x} \left (a+b x\right ) a^{3}+\sqrt {a+b x} a^{4}\right )}{b^{4}}}{b} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 0.02, size = 71, normalized size = 0.78 \begin {gather*} \frac {2\,{\left (a+b\,x\right )}^{19/2}}{19\,b^5}+\frac {2\,a^4\,{\left (a+b\,x\right )}^{11/2}}{11\,b^5}-\frac {8\,a^3\,{\left (a+b\,x\right )}^{13/2}}{13\,b^5}+\frac {4\,a^2\,{\left (a+b\,x\right )}^{15/2}}{5\,b^5}-\frac {8\,a\,{\left (a+b\,x\right )}^{17/2}}{17\,b^5} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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