Integrand size = 26, antiderivative size = 45 \[ \int \frac {1+a x}{x^2 \sqrt {a x} \sqrt {1-a x}} \, dx=-\frac {2 a \sqrt {1-a x}}{3 (a x)^{3/2}}-\frac {10 a \sqrt {1-a x}}{3 \sqrt {a x}} \]
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Time = 0.01 (sec) , antiderivative size = 45, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.115, Rules used = {16, 79, 37} \[ \int \frac {1+a x}{x^2 \sqrt {a x} \sqrt {1-a x}} \, dx=-\frac {10 a \sqrt {1-a x}}{3 \sqrt {a x}}-\frac {2 a \sqrt {1-a x}}{3 (a x)^{3/2}} \]
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Rule 16
Rule 37
Rule 79
Rubi steps \begin{align*} \text {integral}& = a^2 \int \frac {1+a x}{(a x)^{5/2} \sqrt {1-a x}} \, dx \\ & = -\frac {2 a \sqrt {1-a x}}{3 (a x)^{3/2}}+\frac {1}{3} \left (5 a^2\right ) \int \frac {1}{(a x)^{3/2} \sqrt {1-a x}} \, dx \\ & = -\frac {2 a \sqrt {1-a x}}{3 (a x)^{3/2}}-\frac {10 a \sqrt {1-a x}}{3 \sqrt {a x}} \\ \end{align*}
Time = 0.07 (sec) , antiderivative size = 29, normalized size of antiderivative = 0.64 \[ \int \frac {1+a x}{x^2 \sqrt {a x} \sqrt {1-a x}} \, dx=-\frac {2 \sqrt {-a x (-1+a x)} (1+5 a x)}{3 a x^2} \]
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Time = 1.52 (sec) , antiderivative size = 25, normalized size of antiderivative = 0.56
method | result | size |
gosper | \(-\frac {2 \left (5 a x +1\right ) \sqrt {-a x +1}}{3 x \sqrt {a x}}\) | \(25\) |
default | \(-\frac {2 \sqrt {-a x +1}\, \operatorname {csgn}\left (a \right )^{2} \left (5 a x +1\right )}{3 x \sqrt {a x}}\) | \(29\) |
meijerg | \(-\frac {2 a \sqrt {-a x +1}}{\sqrt {a x}}-\frac {2 \left (2 a x +1\right ) \sqrt {-a x +1}}{3 \sqrt {a x}\, x}\) | \(42\) |
risch | \(\frac {2 \sqrt {a x \left (-a x +1\right )}\, \left (5 a^{2} x^{2}-4 a x -1\right )}{3 \sqrt {a x}\, \sqrt {-a x +1}\, x \sqrt {-x \left (a x -1\right ) a}}\) | \(55\) |
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none
Time = 0.24 (sec) , antiderivative size = 27, normalized size of antiderivative = 0.60 \[ \int \frac {1+a x}{x^2 \sqrt {a x} \sqrt {1-a x}} \, dx=-\frac {2 \, {\left (5 \, a x + 1\right )} \sqrt {a x} \sqrt {-a x + 1}}{3 \, a x^{2}} \]
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Result contains complex when optimal does not.
Time = 2.66 (sec) , antiderivative size = 107, normalized size of antiderivative = 2.38 \[ \int \frac {1+a x}{x^2 \sqrt {a x} \sqrt {1-a x}} \, dx=a \left (\begin {cases} - 2 \sqrt {-1 + \frac {1}{a x}} & \text {for}\: \frac {1}{\left |{a x}\right |} > 1 \\- 2 i \sqrt {1 - \frac {1}{a x}} & \text {otherwise} \end {cases}\right ) + \begin {cases} - \frac {4 a \sqrt {-1 + \frac {1}{a x}}}{3} - \frac {2 \sqrt {-1 + \frac {1}{a x}}}{3 x} & \text {for}\: \frac {1}{\left |{a x}\right |} > 1 \\- \frac {4 i a \sqrt {1 - \frac {1}{a x}}}{3} - \frac {2 i \sqrt {1 - \frac {1}{a x}}}{3 x} & \text {otherwise} \end {cases} \]
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Time = 0.29 (sec) , antiderivative size = 42, normalized size of antiderivative = 0.93 \[ \int \frac {1+a x}{x^2 \sqrt {a x} \sqrt {1-a x}} \, dx=-\frac {10 \, \sqrt {-a^{2} x^{2} + a x}}{3 \, x} - \frac {2 \, \sqrt {-a^{2} x^{2} + a x}}{3 \, a x^{2}} \]
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Leaf count of result is larger than twice the leaf count of optimal. 88 vs. \(2 (33) = 66\).
Time = 0.29 (sec) , antiderivative size = 88, normalized size of antiderivative = 1.96 \[ \int \frac {1+a x}{x^2 \sqrt {a x} \sqrt {1-a x}} \, dx=-\frac {\frac {a^{2} {\left (\sqrt {-a x + 1} - 1\right )}^{3}}{\left (a x\right )^{\frac {3}{2}}} + \frac {21 \, a^{2} {\left (\sqrt {-a x + 1} - 1\right )}}{\sqrt {a x}} - \frac {{\left (a^{2} + \frac {21 \, a {\left (\sqrt {-a x + 1} - 1\right )}^{2}}{x}\right )} \left (a x\right )^{\frac {3}{2}}}{{\left (\sqrt {-a x + 1} - 1\right )}^{3}}}{12 \, a} \]
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Time = 3.38 (sec) , antiderivative size = 24, normalized size of antiderivative = 0.53 \[ \int \frac {1+a x}{x^2 \sqrt {a x} \sqrt {1-a x}} \, dx=-\frac {\sqrt {1-a\,x}\,\left (\frac {10\,a\,x}{3}+\frac {2}{3}\right )}{x\,\sqrt {a\,x}} \]
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