Integrand size = 16, antiderivative size = 16 \[ \int \frac {1}{\sqrt {x} (2-b x)^{3/2}} \, dx=\frac {\sqrt {x}}{\sqrt {2-b x}} \]
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Time = 0.00 (sec) , antiderivative size = 16, normalized size of antiderivative = 1.00, number of steps used = 1, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.062, Rules used = {37} \[ \int \frac {1}{\sqrt {x} (2-b x)^{3/2}} \, dx=\frac {\sqrt {x}}{\sqrt {2-b x}} \]
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Rule 37
Rubi steps \begin{align*} \text {integral}& = \frac {\sqrt {x}}{\sqrt {2-b x}} \\ \end{align*}
Time = 0.02 (sec) , antiderivative size = 16, normalized size of antiderivative = 1.00 \[ \int \frac {1}{\sqrt {x} (2-b x)^{3/2}} \, dx=\frac {\sqrt {x}}{\sqrt {2-b x}} \]
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Time = 0.09 (sec) , antiderivative size = 13, normalized size of antiderivative = 0.81
method | result | size |
gosper | \(\frac {\sqrt {x}}{\sqrt {-b x +2}}\) | \(13\) |
default | \(\frac {\sqrt {x}}{\sqrt {-b x +2}}\) | \(13\) |
meijerg | \(\frac {\sqrt {x}\, \sqrt {2}}{2 \sqrt {-\frac {b x}{2}+1}}\) | \(17\) |
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none
Time = 0.22 (sec) , antiderivative size = 20, normalized size of antiderivative = 1.25 \[ \int \frac {1}{\sqrt {x} (2-b x)^{3/2}} \, dx=-\frac {\sqrt {-b x + 2} \sqrt {x}}{b x - 2} \]
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Result contains complex when optimal does not.
Time = 0.57 (sec) , antiderivative size = 41, normalized size of antiderivative = 2.56 \[ \int \frac {1}{\sqrt {x} (2-b x)^{3/2}} \, dx=\begin {cases} \frac {1}{\sqrt {b} \sqrt {-1 + \frac {2}{b x}}} & \text {for}\: \frac {1}{\left |{b x}\right |} > \frac {1}{2} \\- \frac {i}{\sqrt {b} \sqrt {1 - \frac {2}{b x}}} & \text {otherwise} \end {cases} \]
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none
Time = 0.20 (sec) , antiderivative size = 12, normalized size of antiderivative = 0.75 \[ \int \frac {1}{\sqrt {x} (2-b x)^{3/2}} \, dx=\frac {\sqrt {x}}{\sqrt {-b x + 2}} \]
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Leaf count of result is larger than twice the leaf count of optimal. 50 vs. \(2 (12) = 24\).
Time = 0.28 (sec) , antiderivative size = 50, normalized size of antiderivative = 3.12 \[ \int \frac {1}{\sqrt {x} (2-b x)^{3/2}} \, dx=-\frac {4 \, \sqrt {-b} b}{{\left ({\left (\sqrt {-b x + 2} \sqrt {-b} - \sqrt {{\left (b x - 2\right )} b + 2 \, b}\right )}^{2} - 2 \, b\right )} {\left | b \right |}} \]
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Time = 0.30 (sec) , antiderivative size = 12, normalized size of antiderivative = 0.75 \[ \int \frac {1}{\sqrt {x} (2-b x)^{3/2}} \, dx=\frac {\sqrt {x}}{\sqrt {2-b\,x}} \]
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