Integrand size = 16, antiderivative size = 19 \[ \int \frac {\sqrt {x}}{(2-b x)^{5/2}} \, dx=\frac {x^{3/2}}{3 (2-b x)^{3/2}} \]
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Time = 0.00 (sec) , antiderivative size = 19, 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} \[ \int \frac {\sqrt {x}}{(2-b x)^{5/2}} \, dx=\frac {x^{3/2}}{3 (2-b x)^{3/2}} \]
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Rule 37
Rubi steps \begin{align*} \text {integral}& = \frac {x^{3/2}}{3 (2-b x)^{3/2}} \\ \end{align*}
Time = 0.11 (sec) , antiderivative size = 19, normalized size of antiderivative = 1.00 \[ \int \frac {\sqrt {x}}{(2-b x)^{5/2}} \, dx=\frac {x^{3/2}}{3 (2-b x)^{3/2}} \]
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Time = 0.25 (sec) , antiderivative size = 14, normalized size of antiderivative = 0.74
method | result | size |
gosper | \(\frac {x^{\frac {3}{2}}}{3 \left (-b x +2\right )^{\frac {3}{2}}}\) | \(14\) |
meijerg | \(\frac {x^{\frac {3}{2}} \sqrt {2}}{12 \left (-\frac {b x}{2}+1\right )^{\frac {3}{2}}}\) | \(17\) |
default | \(\frac {\sqrt {x}}{b \left (-b x +2\right )^{\frac {3}{2}}}-\frac {\frac {\sqrt {x}}{3 \left (-b x +2\right )^{\frac {3}{2}}}+\frac {\sqrt {x}}{3 \sqrt {-b x +2}}}{b}\) | \(49\) |
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Leaf count of result is larger than twice the leaf count of optimal. 28 vs. \(2 (13) = 26\).
Time = 0.23 (sec) , antiderivative size = 28, normalized size of antiderivative = 1.47 \[ \int \frac {\sqrt {x}}{(2-b x)^{5/2}} \, dx=\frac {\sqrt {-b x + 2} x^{\frac {3}{2}}}{3 \, {\left (b^{2} x^{2} - 4 \, b x + 4\right )}} \]
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Result contains complex when optimal does not.
Time = 1.02 (sec) , antiderivative size = 63, normalized size of antiderivative = 3.32 \[ \int \frac {\sqrt {x}}{(2-b x)^{5/2}} \, dx=\begin {cases} \frac {i x^{\frac {3}{2}}}{3 b x \sqrt {b x - 2} - 6 \sqrt {b x - 2}} & \text {for}\: \left |{b x}\right | > 2 \\- \frac {x^{\frac {3}{2}}}{3 b x \sqrt {- b x + 2} - 6 \sqrt {- b x + 2}} & \text {otherwise} \end {cases} \]
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none
Time = 0.20 (sec) , antiderivative size = 13, normalized size of antiderivative = 0.68 \[ \int \frac {\sqrt {x}}{(2-b x)^{5/2}} \, dx=\frac {x^{\frac {3}{2}}}{3 \, {\left (-b x + 2\right )}^{\frac {3}{2}}} \]
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Leaf count of result is larger than twice the leaf count of optimal. 95 vs. \(2 (13) = 26\).
Time = 0.30 (sec) , antiderivative size = 95, normalized size of antiderivative = 5.00 \[ \int \frac {\sqrt {x}}{(2-b x)^{5/2}} \, dx=\frac {4 \, {\left (3 \, {\left (\sqrt {-b x + 2} \sqrt {-b} - \sqrt {{\left (b x - 2\right )} b + 2 \, b}\right )}^{4} \sqrt {-b} + 4 \, \sqrt {-b} b^{2}\right )} {\left | b \right |}}{3 \, {\left ({\left (\sqrt {-b x + 2} \sqrt {-b} - \sqrt {{\left (b x - 2\right )} b + 2 \, b}\right )}^{2} - 2 \, b\right )}^{3} b^{2}} \]
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Time = 0.27 (sec) , antiderivative size = 13, normalized size of antiderivative = 0.68 \[ \int \frac {\sqrt {x}}{(2-b x)^{5/2}} \, dx=\frac {x^{3/2}}{3\,{\left (2-b\,x\right )}^{3/2}} \]
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