Integrand size = 26, antiderivative size = 121 \[ \int \frac {1+a x}{x^5 \sqrt {a x} \sqrt {1-a x}} \, dx=-\frac {2 a^4 \sqrt {1-a x}}{9 (a x)^{9/2}}-\frac {34 a^4 \sqrt {1-a x}}{63 (a x)^{7/2}}-\frac {68 a^4 \sqrt {1-a x}}{105 (a x)^{5/2}}-\frac {272 a^4 \sqrt {1-a x}}{315 (a x)^{3/2}}-\frac {544 a^4 \sqrt {1-a x}}{315 \sqrt {a x}} \]
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Time = 0.03 (sec) , antiderivative size = 121, normalized size of antiderivative = 1.00, number of steps used = 6, number of rules used = 4, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.154, Rules used = {16, 79, 47, 37} \[ \int \frac {1+a x}{x^5 \sqrt {a x} \sqrt {1-a x}} \, dx=-\frac {544 a^4 \sqrt {1-a x}}{315 \sqrt {a x}}-\frac {272 a^4 \sqrt {1-a x}}{315 (a x)^{3/2}}-\frac {68 a^4 \sqrt {1-a x}}{105 (a x)^{5/2}}-\frac {34 a^4 \sqrt {1-a x}}{63 (a x)^{7/2}}-\frac {2 a^4 \sqrt {1-a x}}{9 (a x)^{9/2}} \]
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Rule 16
Rule 37
Rule 47
Rule 79
Rubi steps \begin{align*} \text {integral}& = a^5 \int \frac {1+a x}{(a x)^{11/2} \sqrt {1-a x}} \, dx \\ & = -\frac {2 a^4 \sqrt {1-a x}}{9 (a x)^{9/2}}+\frac {1}{9} \left (17 a^5\right ) \int \frac {1}{(a x)^{9/2} \sqrt {1-a x}} \, dx \\ & = -\frac {2 a^4 \sqrt {1-a x}}{9 (a x)^{9/2}}-\frac {34 a^4 \sqrt {1-a x}}{63 (a x)^{7/2}}+\frac {1}{21} \left (34 a^5\right ) \int \frac {1}{(a x)^{7/2} \sqrt {1-a x}} \, dx \\ & = -\frac {2 a^4 \sqrt {1-a x}}{9 (a x)^{9/2}}-\frac {34 a^4 \sqrt {1-a x}}{63 (a x)^{7/2}}-\frac {68 a^4 \sqrt {1-a x}}{105 (a x)^{5/2}}+\frac {1}{105} \left (136 a^5\right ) \int \frac {1}{(a x)^{5/2} \sqrt {1-a x}} \, dx \\ & = -\frac {2 a^4 \sqrt {1-a x}}{9 (a x)^{9/2}}-\frac {34 a^4 \sqrt {1-a x}}{63 (a x)^{7/2}}-\frac {68 a^4 \sqrt {1-a x}}{105 (a x)^{5/2}}-\frac {272 a^4 \sqrt {1-a x}}{315 (a x)^{3/2}}+\frac {1}{315} \left (272 a^5\right ) \int \frac {1}{(a x)^{3/2} \sqrt {1-a x}} \, dx \\ & = -\frac {2 a^4 \sqrt {1-a x}}{9 (a x)^{9/2}}-\frac {34 a^4 \sqrt {1-a x}}{63 (a x)^{7/2}}-\frac {68 a^4 \sqrt {1-a x}}{105 (a x)^{5/2}}-\frac {272 a^4 \sqrt {1-a x}}{315 (a x)^{3/2}}-\frac {544 a^4 \sqrt {1-a x}}{315 \sqrt {a x}} \\ \end{align*}
Time = 0.09 (sec) , antiderivative size = 53, normalized size of antiderivative = 0.44 \[ \int \frac {1+a x}{x^5 \sqrt {a x} \sqrt {1-a x}} \, dx=-\frac {2 \sqrt {-a x (-1+a x)} \left (35+85 a x+102 a^2 x^2+136 a^3 x^3+272 a^4 x^4\right )}{315 a x^5} \]
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Time = 1.56 (sec) , antiderivative size = 49, normalized size of antiderivative = 0.40
method | result | size |
gosper | \(-\frac {2 \sqrt {-a x +1}\, \left (272 a^{4} x^{4}+136 a^{3} x^{3}+102 a^{2} x^{2}+85 a x +35\right )}{315 x^{4} \sqrt {a x}}\) | \(49\) |
default | \(-\frac {2 \sqrt {-a x +1}\, \operatorname {csgn}\left (a \right )^{2} \left (272 a^{4} x^{4}+136 a^{3} x^{3}+102 a^{2} x^{2}+85 a x +35\right )}{315 x^{4} \sqrt {a x}}\) | \(53\) |
risch | \(\frac {2 \sqrt {a x \left (-a x +1\right )}\, \left (272 a^{5} x^{5}-136 a^{4} x^{4}-34 a^{3} x^{3}-17 a^{2} x^{2}-50 a x -35\right )}{315 \sqrt {a x}\, \sqrt {-a x +1}\, x^{4} \sqrt {-x \left (a x -1\right ) a}}\) | \(79\) |
meijerg | \(-\frac {2 a \left (\frac {16}{5} a^{3} x^{3}+\frac {8}{5} a^{2} x^{2}+\frac {6}{5} a x +1\right ) \sqrt {-a x +1}}{7 \sqrt {a x}\, x^{3}}-\frac {2 \left (\frac {128}{35} a^{4} x^{4}+\frac {64}{35} a^{3} x^{3}+\frac {48}{35} a^{2} x^{2}+\frac {8}{7} a x +1\right ) \sqrt {-a x +1}}{9 \sqrt {a x}\, x^{4}}\) | \(91\) |
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Time = 0.25 (sec) , antiderivative size = 51, normalized size of antiderivative = 0.42 \[ \int \frac {1+a x}{x^5 \sqrt {a x} \sqrt {1-a x}} \, dx=-\frac {2 \, {\left (272 \, a^{4} x^{4} + 136 \, a^{3} x^{3} + 102 \, a^{2} x^{2} + 85 \, a x + 35\right )} \sqrt {a x} \sqrt {-a x + 1}}{315 \, a x^{5}} \]
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Result contains complex when optimal does not.
Time = 8.14 (sec) , antiderivative size = 359, normalized size of antiderivative = 2.97 \[ \int \frac {1+a x}{x^5 \sqrt {a x} \sqrt {1-a x}} \, dx=a \left (\begin {cases} - \frac {32 a^{3} \sqrt {-1 + \frac {1}{a x}}}{35} - \frac {16 a^{2} \sqrt {-1 + \frac {1}{a x}}}{35 x} - \frac {12 a \sqrt {-1 + \frac {1}{a x}}}{35 x^{2}} - \frac {2 \sqrt {-1 + \frac {1}{a x}}}{7 x^{3}} & \text {for}\: \frac {1}{\left |{a x}\right |} > 1 \\- \frac {32 i a^{3} \sqrt {1 - \frac {1}{a x}}}{35} - \frac {16 i a^{2} \sqrt {1 - \frac {1}{a x}}}{35 x} - \frac {12 i a \sqrt {1 - \frac {1}{a x}}}{35 x^{2}} - \frac {2 i \sqrt {1 - \frac {1}{a x}}}{7 x^{3}} & \text {otherwise} \end {cases}\right ) + \begin {cases} - \frac {256 a^{4} \sqrt {-1 + \frac {1}{a x}}}{315} - \frac {128 a^{3} \sqrt {-1 + \frac {1}{a x}}}{315 x} - \frac {32 a^{2} \sqrt {-1 + \frac {1}{a x}}}{105 x^{2}} - \frac {16 a \sqrt {-1 + \frac {1}{a x}}}{63 x^{3}} - \frac {2 \sqrt {-1 + \frac {1}{a x}}}{9 x^{4}} & \text {for}\: \frac {1}{\left |{a x}\right |} > 1 \\- \frac {256 i a^{4} \sqrt {1 - \frac {1}{a x}}}{315} - \frac {128 i a^{3} \sqrt {1 - \frac {1}{a x}}}{315 x} - \frac {32 i a^{2} \sqrt {1 - \frac {1}{a x}}}{105 x^{2}} - \frac {16 i a \sqrt {1 - \frac {1}{a x}}}{63 x^{3}} - \frac {2 i \sqrt {1 - \frac {1}{a x}}}{9 x^{4}} & \text {otherwise} \end {cases} \]
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Time = 0.28 (sec) , antiderivative size = 106, normalized size of antiderivative = 0.88 \[ \int \frac {1+a x}{x^5 \sqrt {a x} \sqrt {1-a x}} \, dx=-\frac {544 \, \sqrt {-a^{2} x^{2} + a x} a^{3}}{315 \, x} - \frac {272 \, \sqrt {-a^{2} x^{2} + a x} a^{2}}{315 \, x^{2}} - \frac {68 \, \sqrt {-a^{2} x^{2} + a x} a}{105 \, x^{3}} - \frac {34 \, \sqrt {-a^{2} x^{2} + a x}}{63 \, x^{4}} - \frac {2 \, \sqrt {-a^{2} x^{2} + a x}}{9 \, a x^{5}} \]
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Leaf count of result is larger than twice the leaf count of optimal. 217 vs. \(2 (91) = 182\).
Time = 0.29 (sec) , antiderivative size = 217, normalized size of antiderivative = 1.79 \[ \int \frac {1+a x}{x^5 \sqrt {a x} \sqrt {1-a x}} \, dx=-\frac {\frac {35 \, a^{5} {\left (\sqrt {-a x + 1} - 1\right )}^{9}}{\left (a x\right )^{\frac {9}{2}}} + \frac {585 \, a^{5} {\left (\sqrt {-a x + 1} - 1\right )}^{7}}{\left (a x\right )^{\frac {7}{2}}} + \frac {4032 \, a^{5} {\left (\sqrt {-a x + 1} - 1\right )}^{5}}{\left (a x\right )^{\frac {5}{2}}} + \frac {17640 \, a^{5} {\left (\sqrt {-a x + 1} - 1\right )}^{3}}{\left (a x\right )^{\frac {3}{2}}} + \frac {83790 \, a^{5} {\left (\sqrt {-a x + 1} - 1\right )}}{\sqrt {a x}} - \frac {{\left (35 \, a^{5} + \frac {585 \, a^{4} {\left (\sqrt {-a x + 1} - 1\right )}^{2}}{x} + \frac {4032 \, a^{3} {\left (\sqrt {-a x + 1} - 1\right )}^{4}}{x^{2}} + \frac {17640 \, a^{2} {\left (\sqrt {-a x + 1} - 1\right )}^{6}}{x^{3}} + \frac {83790 \, a {\left (\sqrt {-a x + 1} - 1\right )}^{8}}{x^{4}}\right )} \left (a x\right )^{\frac {9}{2}}}{{\left (\sqrt {-a x + 1} - 1\right )}^{9}}}{80640 \, a} \]
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Time = 3.10 (sec) , antiderivative size = 48, normalized size of antiderivative = 0.40 \[ \int \frac {1+a x}{x^5 \sqrt {a x} \sqrt {1-a x}} \, dx=-\frac {\sqrt {1-a\,x}\,\left (\frac {544\,a^4\,x^4}{315}+\frac {272\,a^3\,x^3}{315}+\frac {68\,a^2\,x^2}{105}+\frac {34\,a\,x}{63}+\frac {2}{9}\right )}{x^4\,\sqrt {a\,x}} \]
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