Optimal. Leaf size=171 \[ -\frac {5 a^5 \sqrt {x} \sqrt {a-b x}}{512 b^3}-\frac {5 a^4 x^{3/2} \sqrt {a-b x}}{768 b^2}-\frac {a^3 x^{5/2} \sqrt {a-b x}}{192 b}+\frac {1}{32} a^2 x^{7/2} \sqrt {a-b x}+\frac {1}{12} a x^{7/2} (a-b x)^{3/2}+\frac {1}{6} x^{7/2} (a-b x)^{5/2}+\frac {5 a^6 \tan ^{-1}\left (\frac {\sqrt {b} \sqrt {x}}{\sqrt {a-b x}}\right )}{512 b^{7/2}} \]
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Rubi [A]
time = 0.04, antiderivative size = 171, normalized size of antiderivative = 1.00, number of steps
used = 9, number of rules used = 4, integrand size = 16, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.250, Rules used = {52, 65, 223,
209} \begin {gather*} \frac {5 a^6 \tan ^{-1}\left (\frac {\sqrt {b} \sqrt {x}}{\sqrt {a-b x}}\right )}{512 b^{7/2}}-\frac {5 a^5 \sqrt {x} \sqrt {a-b x}}{512 b^3}-\frac {5 a^4 x^{3/2} \sqrt {a-b x}}{768 b^2}-\frac {a^3 x^{5/2} \sqrt {a-b x}}{192 b}+\frac {1}{32} a^2 x^{7/2} \sqrt {a-b x}+\frac {1}{12} a x^{7/2} (a-b x)^{3/2}+\frac {1}{6} x^{7/2} (a-b x)^{5/2} \end {gather*}
Antiderivative was successfully verified.
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Rule 52
Rule 65
Rule 209
Rule 223
Rubi steps
\begin {align*} \int x^{5/2} (a-b x)^{5/2} \, dx &=\frac {1}{6} x^{7/2} (a-b x)^{5/2}+\frac {1}{12} (5 a) \int x^{5/2} (a-b x)^{3/2} \, dx\\ &=\frac {1}{12} a x^{7/2} (a-b x)^{3/2}+\frac {1}{6} x^{7/2} (a-b x)^{5/2}+\frac {1}{8} a^2 \int x^{5/2} \sqrt {a-b x} \, dx\\ &=\frac {1}{32} a^2 x^{7/2} \sqrt {a-b x}+\frac {1}{12} a x^{7/2} (a-b x)^{3/2}+\frac {1}{6} x^{7/2} (a-b x)^{5/2}+\frac {1}{64} a^3 \int \frac {x^{5/2}}{\sqrt {a-b x}} \, dx\\ &=-\frac {a^3 x^{5/2} \sqrt {a-b x}}{192 b}+\frac {1}{32} a^2 x^{7/2} \sqrt {a-b x}+\frac {1}{12} a x^{7/2} (a-b x)^{3/2}+\frac {1}{6} x^{7/2} (a-b x)^{5/2}+\frac {\left (5 a^4\right ) \int \frac {x^{3/2}}{\sqrt {a-b x}} \, dx}{384 b}\\ &=-\frac {5 a^4 x^{3/2} \sqrt {a-b x}}{768 b^2}-\frac {a^3 x^{5/2} \sqrt {a-b x}}{192 b}+\frac {1}{32} a^2 x^{7/2} \sqrt {a-b x}+\frac {1}{12} a x^{7/2} (a-b x)^{3/2}+\frac {1}{6} x^{7/2} (a-b x)^{5/2}+\frac {\left (5 a^5\right ) \int \frac {\sqrt {x}}{\sqrt {a-b x}} \, dx}{512 b^2}\\ &=-\frac {5 a^5 \sqrt {x} \sqrt {a-b x}}{512 b^3}-\frac {5 a^4 x^{3/2} \sqrt {a-b x}}{768 b^2}-\frac {a^3 x^{5/2} \sqrt {a-b x}}{192 b}+\frac {1}{32} a^2 x^{7/2} \sqrt {a-b x}+\frac {1}{12} a x^{7/2} (a-b x)^{3/2}+\frac {1}{6} x^{7/2} (a-b x)^{5/2}+\frac {\left (5 a^6\right ) \int \frac {1}{\sqrt {x} \sqrt {a-b x}} \, dx}{1024 b^3}\\ &=-\frac {5 a^5 \sqrt {x} \sqrt {a-b x}}{512 b^3}-\frac {5 a^4 x^{3/2} \sqrt {a-b x}}{768 b^2}-\frac {a^3 x^{5/2} \sqrt {a-b x}}{192 b}+\frac {1}{32} a^2 x^{7/2} \sqrt {a-b x}+\frac {1}{12} a x^{7/2} (a-b x)^{3/2}+\frac {1}{6} x^{7/2} (a-b x)^{5/2}+\frac {\left (5 a^6\right ) \text {Subst}\left (\int \frac {1}{\sqrt {a-b x^2}} \, dx,x,\sqrt {x}\right )}{512 b^3}\\ &=-\frac {5 a^5 \sqrt {x} \sqrt {a-b x}}{512 b^3}-\frac {5 a^4 x^{3/2} \sqrt {a-b x}}{768 b^2}-\frac {a^3 x^{5/2} \sqrt {a-b x}}{192 b}+\frac {1}{32} a^2 x^{7/2} \sqrt {a-b x}+\frac {1}{12} a x^{7/2} (a-b x)^{3/2}+\frac {1}{6} x^{7/2} (a-b x)^{5/2}+\frac {\left (5 a^6\right ) \text {Subst}\left (\int \frac {1}{1+b x^2} \, dx,x,\frac {\sqrt {x}}{\sqrt {a-b x}}\right )}{512 b^3}\\ &=-\frac {5 a^5 \sqrt {x} \sqrt {a-b x}}{512 b^3}-\frac {5 a^4 x^{3/2} \sqrt {a-b x}}{768 b^2}-\frac {a^3 x^{5/2} \sqrt {a-b x}}{192 b}+\frac {1}{32} a^2 x^{7/2} \sqrt {a-b x}+\frac {1}{12} a x^{7/2} (a-b x)^{3/2}+\frac {1}{6} x^{7/2} (a-b x)^{5/2}+\frac {5 a^6 \tan ^{-1}\left (\frac {\sqrt {b} \sqrt {x}}{\sqrt {a-b x}}\right )}{512 b^{7/2}}\\ \end {align*}
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Mathematica [A]
time = 0.17, size = 114, normalized size = 0.67 \begin {gather*} \frac {\frac {\sqrt {x} \sqrt {a-b x} \left (-15 a^5-10 a^4 b x-8 a^3 b^2 x^2+432 a^2 b^3 x^3-640 a b^4 x^4+256 b^5 x^5\right )}{b^3}+\frac {15 a^6 \log \left (-\sqrt {-b} \sqrt {x}+\sqrt {a-b x}\right )}{(-b)^{7/2}}}{1536} \end {gather*}
Antiderivative was successfully verified.
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Mathics [C] Result contains higher order function than in optimal. Order 9 vs. order 3 in
optimal.
time = 173.37, size = 349, normalized size = 2.04 \begin {gather*} \text {Piecewise}\left [\left \{\left \{\frac {I \left (-15 a^{\frac {17}{2}} b^6 \text {ArcCosh}\left [\frac {\sqrt {b} \sqrt {x}}{\sqrt {a}}\right ] \left (\frac {-a+b x}{a}\right )^{\frac {5}{2}}+15 a^6 b^{\frac {13}{2}} \sqrt {x} \left (-a+b x\right )^2-5 a^5 b^{\frac {15}{2}} x^{\frac {3}{2}} \left (-a+b x\right )^2-2 a^4 b^{\frac {17}{2}} x^{\frac {5}{2}} \left (-a+b x\right )^2+8 a b^{\frac {19}{2}} x^{\frac {7}{2}} \left (-55 a^2+134 a b x-112 b^2 x^2\right ) \left (-a+b x\right )^2+256 b^{\frac {25}{2}} x^{\frac {13}{2}} \left (-a+b x\right )^2\right )}{1536 a^{\frac {5}{2}} b^{\frac {19}{2}} \left (\frac {-a+b x}{a}\right )^{\frac {5}{2}}},\text {Abs}\left [\frac {b x}{a}\right ]>1\right \}\right \},\frac {5 a^6 \text {ArcSin}\left [\frac {\sqrt {b} \sqrt {x}}{\sqrt {a}}\right ]}{512 b^{\frac {7}{2}}}-\frac {5 a^{\frac {11}{2}} \sqrt {x}}{512 b^3 \sqrt {1-\frac {b x}{a}}}+\frac {5 a^{\frac {9}{2}} x^{\frac {3}{2}}}{1536 b^2 \sqrt {1-\frac {b x}{a}}}+\frac {a^{\frac {7}{2}} x^{\frac {5}{2}}}{768 b \sqrt {1-\frac {b x}{a}}}+\frac {55 a^{\frac {5}{2}} x^{\frac {7}{2}}}{192 \sqrt {1-\frac {b x}{a}}}-\frac {67 a^{\frac {3}{2}} b x^{\frac {9}{2}}}{96 \sqrt {1-\frac {b x}{a}}}+\frac {7 \sqrt {a} b^2 x^{\frac {11}{2}}}{12 \sqrt {1-\frac {b x}{a}}}-\frac {b^3 x^{\frac {13}{2}}}{6 \sqrt {a} \sqrt {1-\frac {b x}{a}}}\right ] \end {gather*}
Warning: Unable to verify antiderivative.
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Maple [A]
time = 0.11, size = 169, normalized size = 0.99
method | result | size |
risch | \(-\frac {\left (-256 b^{5} x^{5}+640 a \,b^{4} x^{4}-432 a^{2} b^{3} x^{3}+8 a^{3} b^{2} x^{2}+10 a^{4} b x +15 a^{5}\right ) \sqrt {x}\, \sqrt {-b x +a}}{1536 b^{3}}+\frac {5 a^{6} \arctan \left (\frac {\sqrt {b}\, \left (x -\frac {a}{2 b}\right )}{\sqrt {-x^{2} b +a x}}\right ) \sqrt {x \left (-b x +a \right )}}{1024 b^{\frac {7}{2}} \sqrt {x}\, \sqrt {-b x +a}}\) | \(124\) |
default | \(-\frac {x^{\frac {5}{2}} \left (-b x +a \right )^{\frac {7}{2}}}{6 b}+\frac {5 a \left (-\frac {x^{\frac {3}{2}} \left (-b x +a \right )^{\frac {7}{2}}}{5 b}+\frac {3 a \left (-\frac {\sqrt {x}\, \left (-b x +a \right )^{\frac {7}{2}}}{4 b}+\frac {a \left (\frac {\left (-b x +a \right )^{\frac {5}{2}} \sqrt {x}}{3}+\frac {5 a \left (\frac {\left (-b x +a \right )^{\frac {3}{2}} \sqrt {x}}{2}+\frac {3 a \left (\sqrt {x}\, \sqrt {-b x +a}+\frac {a \sqrt {x \left (-b x +a \right )}\, \arctan \left (\frac {\sqrt {b}\, \left (x -\frac {a}{2 b}\right )}{\sqrt {-x^{2} b +a x}}\right )}{2 \sqrt {-b x +a}\, \sqrt {x}\, \sqrt {b}}\right )}{4}\right )}{6}\right )}{8 b}\right )}{10 b}\right )}{12 b}\) | \(169\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A]
time = 0.37, size = 242, normalized size = 1.42 \begin {gather*} -\frac {5 \, a^{6} \arctan \left (\frac {\sqrt {-b x + a}}{\sqrt {b} \sqrt {x}}\right )}{512 \, b^{\frac {7}{2}}} + \frac {\frac {15 \, \sqrt {-b x + a} a^{6} b^{5}}{\sqrt {x}} + \frac {85 \, {\left (-b x + a\right )}^{\frac {3}{2}} a^{6} b^{4}}{x^{\frac {3}{2}}} + \frac {198 \, {\left (-b x + a\right )}^{\frac {5}{2}} a^{6} b^{3}}{x^{\frac {5}{2}}} - \frac {198 \, {\left (-b x + a\right )}^{\frac {7}{2}} a^{6} b^{2}}{x^{\frac {7}{2}}} - \frac {85 \, {\left (-b x + a\right )}^{\frac {9}{2}} a^{6} b}{x^{\frac {9}{2}}} - \frac {15 \, {\left (-b x + a\right )}^{\frac {11}{2}} a^{6}}{x^{\frac {11}{2}}}}{1536 \, {\left (b^{9} - \frac {6 \, {\left (b x - a\right )} b^{8}}{x} + \frac {15 \, {\left (b x - a\right )}^{2} b^{7}}{x^{2}} - \frac {20 \, {\left (b x - a\right )}^{3} b^{6}}{x^{3}} + \frac {15 \, {\left (b x - a\right )}^{4} b^{5}}{x^{4}} - \frac {6 \, {\left (b x - a\right )}^{5} b^{4}}{x^{5}} + \frac {{\left (b x - a\right )}^{6} b^{3}}{x^{6}}\right )}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 0.32, size = 208, normalized size = 1.22 \begin {gather*} \left [-\frac {15 \, a^{6} \sqrt {-b} \log \left (-2 \, b x + 2 \, \sqrt {-b x + a} \sqrt {-b} \sqrt {x} + a\right ) - 2 \, {\left (256 \, b^{6} x^{5} - 640 \, a b^{5} x^{4} + 432 \, a^{2} b^{4} x^{3} - 8 \, a^{3} b^{3} x^{2} - 10 \, a^{4} b^{2} x - 15 \, a^{5} b\right )} \sqrt {-b x + a} \sqrt {x}}{3072 \, b^{4}}, -\frac {15 \, a^{6} \sqrt {b} \arctan \left (\frac {\sqrt {-b x + a}}{\sqrt {b} \sqrt {x}}\right ) - {\left (256 \, b^{6} x^{5} - 640 \, a b^{5} x^{4} + 432 \, a^{2} b^{4} x^{3} - 8 \, a^{3} b^{3} x^{2} - 10 \, a^{4} b^{2} x - 15 \, a^{5} b\right )} \sqrt {-b x + a} \sqrt {x}}{1536 \, b^{4}}\right ] \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A]
time = 177.75, size = 435, normalized size = 2.54 \begin {gather*} \begin {cases} \frac {5 i a^{\frac {11}{2}} \sqrt {x}}{512 b^{3} \sqrt {-1 + \frac {b x}{a}}} - \frac {5 i a^{\frac {9}{2}} x^{\frac {3}{2}}}{1536 b^{2} \sqrt {-1 + \frac {b x}{a}}} - \frac {i a^{\frac {7}{2}} x^{\frac {5}{2}}}{768 b \sqrt {-1 + \frac {b x}{a}}} - \frac {55 i a^{\frac {5}{2}} x^{\frac {7}{2}}}{192 \sqrt {-1 + \frac {b x}{a}}} + \frac {67 i a^{\frac {3}{2}} b x^{\frac {9}{2}}}{96 \sqrt {-1 + \frac {b x}{a}}} - \frac {7 i \sqrt {a} b^{2} x^{\frac {11}{2}}}{12 \sqrt {-1 + \frac {b x}{a}}} - \frac {5 i a^{6} \operatorname {acosh}{\left (\frac {\sqrt {b} \sqrt {x}}{\sqrt {a}} \right )}}{512 b^{\frac {7}{2}}} + \frac {i b^{3} x^{\frac {13}{2}}}{6 \sqrt {a} \sqrt {-1 + \frac {b x}{a}}} & \text {for}\: \left |{\frac {b x}{a}}\right | > 1 \\- \frac {5 a^{\frac {11}{2}} \sqrt {x}}{512 b^{3} \sqrt {1 - \frac {b x}{a}}} + \frac {5 a^{\frac {9}{2}} x^{\frac {3}{2}}}{1536 b^{2} \sqrt {1 - \frac {b x}{a}}} + \frac {a^{\frac {7}{2}} x^{\frac {5}{2}}}{768 b \sqrt {1 - \frac {b x}{a}}} + \frac {55 a^{\frac {5}{2}} x^{\frac {7}{2}}}{192 \sqrt {1 - \frac {b x}{a}}} - \frac {67 a^{\frac {3}{2}} b x^{\frac {9}{2}}}{96 \sqrt {1 - \frac {b x}{a}}} + \frac {7 \sqrt {a} b^{2} x^{\frac {11}{2}}}{12 \sqrt {1 - \frac {b x}{a}}} + \frac {5 a^{6} \operatorname {asin}{\left (\frac {\sqrt {b} \sqrt {x}}{\sqrt {a}} \right )}}{512 b^{\frac {7}{2}}} - \frac {b^{3} x^{\frac {13}{2}}}{6 \sqrt {a} \sqrt {1 - \frac {b x}{a}}} & \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. 294 vs.
\(2 (125) = 250\).
time = 0.02, size = 568, normalized size = 3.32 \begin {gather*} 2 b^{2} \left (2 \left (\left (\left (\left (\left (\frac {\frac {1}{174182400}\cdot 7257600 b^{10} \sqrt {x} \sqrt {x}}{b^{10}}-\frac {\frac {1}{174182400}\cdot 725760 b^{9} a}{b^{10}}\right ) \sqrt {x} \sqrt {x}-\frac {\frac {1}{174182400}\cdot 816480 b^{8} a^{2}}{b^{10}}\right ) \sqrt {x} \sqrt {x}-\frac {\frac {1}{174182400}\cdot 952560 b^{7} a^{3}}{b^{10}}\right ) \sqrt {x} \sqrt {x}-\frac {\frac {1}{174182400}\cdot 1190700 b^{6} a^{4}}{b^{10}}\right ) \sqrt {x} \sqrt {x}-\frac {\frac {1}{174182400}\cdot 1786050 b^{5} a^{5}}{b^{10}}\right ) \sqrt {x} \sqrt {a-b x}-\frac {42 a^{6} \ln \left |\sqrt {a-b x}-\sqrt {-b} \sqrt {x}\right |}{2048 b^{5} \sqrt {-b}}\right )-4 a b \left (2 \left (\left (\left (\left (\frac {\frac {1}{1612800}\cdot 80640 b^{8} \sqrt {x} \sqrt {x}}{b^{8}}-\frac {\frac {1}{1612800}\cdot 10080 b^{7} a}{b^{8}}\right ) \sqrt {x} \sqrt {x}-\frac {\frac {1}{1612800}\cdot 11760 b^{6} a^{2}}{b^{8}}\right ) \sqrt {x} \sqrt {x}-\frac {\frac {1}{1612800}\cdot 14700 b^{5} a^{3}}{b^{8}}\right ) \sqrt {x} \sqrt {x}-\frac {\frac {1}{1612800}\cdot 22050 b^{4} a^{4}}{b^{8}}\right ) \sqrt {x} \sqrt {a-b x}-\frac {14 a^{5} \ln \left |\sqrt {a-b x}-\sqrt {-b} \sqrt {x}\right |}{512 b^{4} \sqrt {-b}}\right )+2 a^{2} \left (2 \left (\left (\left (\frac {\frac {1}{23040}\cdot 1440 b^{6} \sqrt {x} \sqrt {x}}{b^{6}}-\frac {\frac {1}{23040}\cdot 240 b^{5} a}{b^{6}}\right ) \sqrt {x} \sqrt {x}-\frac {\frac {1}{23040}\cdot 300 b^{4} a^{2}}{b^{6}}\right ) \sqrt {x} \sqrt {x}-\frac {\frac {1}{23040}\cdot 450 b^{3} a^{3}}{b^{6}}\right ) \sqrt {x} \sqrt {a-b x}-\frac {10 a^{4} \ln \left |\sqrt {a-b x}-\sqrt {-b} \sqrt {x}\right |}{256 b^{3} \sqrt {-b}}\right ) \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [F]
time = 0.00, size = -1, normalized size = -0.01 \begin {gather*} \int x^{5/2}\,{\left (a-b\,x\right )}^{5/2} \,d x \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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