Integrand size = 17, antiderivative size = 41 \[ \int \frac {(1+x)^{3/2}}{(1-x)^{9/2}} \, dx=\frac {(1+x)^{5/2}}{7 (1-x)^{7/2}}+\frac {(1+x)^{5/2}}{35 (1-x)^{5/2}} \]
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Time = 0.00 (sec) , antiderivative size = 41, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.118, Rules used = {47, 37} \[ \int \frac {(1+x)^{3/2}}{(1-x)^{9/2}} \, dx=\frac {(x+1)^{5/2}}{35 (1-x)^{5/2}}+\frac {(x+1)^{5/2}}{7 (1-x)^{7/2}} \]
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Rule 37
Rule 47
Rubi steps \begin{align*} \text {integral}& = \frac {(1+x)^{5/2}}{7 (1-x)^{7/2}}+\frac {1}{7} \int \frac {(1+x)^{3/2}}{(1-x)^{7/2}} \, dx \\ & = \frac {(1+x)^{5/2}}{7 (1-x)^{7/2}}+\frac {(1+x)^{5/2}}{35 (1-x)^{5/2}} \\ \end{align*}
Time = 0.03 (sec) , antiderivative size = 25, normalized size of antiderivative = 0.61 \[ \int \frac {(1+x)^{3/2}}{(1-x)^{9/2}} \, dx=\frac {(6-x) (1+x)^{5/2}}{35 (1-x)^{7/2}} \]
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Time = 0.17 (sec) , antiderivative size = 18, normalized size of antiderivative = 0.44
method | result | size |
gosper | \(-\frac {\left (x -6\right ) \left (1+x \right )^{\frac {5}{2}}}{35 \left (1-x \right )^{\frac {7}{2}}}\) | \(18\) |
risch | \(\frac {\sqrt {\left (1+x \right ) \left (1-x \right )}\, \left (x^{4}-3 x^{3}-15 x^{2}-17 x -6\right )}{35 \sqrt {1-x}\, \sqrt {1+x}\, \left (-1+x \right )^{3} \sqrt {-\left (-1+x \right ) \left (1+x \right )}}\) | \(59\) |
default | \(\frac {\left (1+x \right )^{\frac {3}{2}}}{2 \left (1-x \right )^{\frac {7}{2}}}-\frac {3 \sqrt {1+x}}{7 \left (1-x \right )^{\frac {7}{2}}}+\frac {3 \sqrt {1+x}}{70 \left (1-x \right )^{\frac {5}{2}}}+\frac {\sqrt {1+x}}{35 \left (1-x \right )^{\frac {3}{2}}}+\frac {\sqrt {1+x}}{35 \sqrt {1-x}}\) | \(72\) |
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Leaf count of result is larger than twice the leaf count of optimal. 69 vs. \(2 (29) = 58\).
Time = 0.23 (sec) , antiderivative size = 69, normalized size of antiderivative = 1.68 \[ \int \frac {(1+x)^{3/2}}{(1-x)^{9/2}} \, dx=\frac {6 \, x^{4} - 24 \, x^{3} + 36 \, x^{2} - {\left (x^{3} - 4 \, x^{2} - 11 \, x - 6\right )} \sqrt {x + 1} \sqrt {-x + 1} - 24 \, x + 6}{35 \, {\left (x^{4} - 4 \, x^{3} + 6 \, x^{2} - 4 \, x + 1\right )}} \]
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Result contains complex when optimal does not.
Time = 20.20 (sec) , antiderivative size = 226, normalized size of antiderivative = 5.51 \[ \int \frac {(1+x)^{3/2}}{(1-x)^{9/2}} \, dx=\begin {cases} - \frac {i \left (x + 1\right )^{\frac {7}{2}}}{35 \sqrt {x - 1} \left (x + 1\right )^{3} - 210 \sqrt {x - 1} \left (x + 1\right )^{2} + 420 \sqrt {x - 1} \left (x + 1\right ) - 280 \sqrt {x - 1}} + \frac {7 i \left (x + 1\right )^{\frac {5}{2}}}{35 \sqrt {x - 1} \left (x + 1\right )^{3} - 210 \sqrt {x - 1} \left (x + 1\right )^{2} + 420 \sqrt {x - 1} \left (x + 1\right ) - 280 \sqrt {x - 1}} & \text {for}\: \left |{x + 1}\right | > 2 \\\frac {\left (x + 1\right )^{\frac {7}{2}}}{35 \sqrt {1 - x} \left (x + 1\right )^{3} - 210 \sqrt {1 - x} \left (x + 1\right )^{2} + 420 \sqrt {1 - x} \left (x + 1\right ) - 280 \sqrt {1 - x}} - \frac {7 \left (x + 1\right )^{\frac {5}{2}}}{35 \sqrt {1 - x} \left (x + 1\right )^{3} - 210 \sqrt {1 - x} \left (x + 1\right )^{2} + 420 \sqrt {1 - x} \left (x + 1\right ) - 280 \sqrt {1 - x}} & \text {otherwise} \end {cases} \]
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Leaf count of result is larger than twice the leaf count of optimal. 131 vs. \(2 (29) = 58\).
Time = 0.20 (sec) , antiderivative size = 131, normalized size of antiderivative = 3.20 \[ \int \frac {(1+x)^{3/2}}{(1-x)^{9/2}} \, dx=-\frac {{\left (-x^{2} + 1\right )}^{\frac {3}{2}}}{2 \, {\left (x^{5} - 5 \, x^{4} + 10 \, x^{3} - 10 \, x^{2} + 5 \, x - 1\right )}} - \frac {3 \, \sqrt {-x^{2} + 1}}{7 \, {\left (x^{4} - 4 \, x^{3} + 6 \, x^{2} - 4 \, x + 1\right )}} - \frac {3 \, \sqrt {-x^{2} + 1}}{70 \, {\left (x^{3} - 3 \, x^{2} + 3 \, x - 1\right )}} + \frac {\sqrt {-x^{2} + 1}}{35 \, {\left (x^{2} - 2 \, x + 1\right )}} - \frac {\sqrt {-x^{2} + 1}}{35 \, {\left (x - 1\right )}} \]
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none
Time = 0.51 (sec) , antiderivative size = 22, normalized size of antiderivative = 0.54 \[ \int \frac {(1+x)^{3/2}}{(1-x)^{9/2}} \, dx=-\frac {{\left (x + 1\right )}^{\frac {5}{2}} {\left (x - 6\right )} \sqrt {-x + 1}}{35 \, {\left (x - 1\right )}^{4}} \]
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Time = 0.45 (sec) , antiderivative size = 64, normalized size of antiderivative = 1.56 \[ \int \frac {(1+x)^{3/2}}{(1-x)^{9/2}} \, dx=\frac {\sqrt {1-x}\,\left (\frac {11\,x\,\sqrt {x+1}}{35}+\frac {6\,\sqrt {x+1}}{35}+\frac {4\,x^2\,\sqrt {x+1}}{35}-\frac {x^3\,\sqrt {x+1}}{35}\right )}{x^4-4\,x^3+6\,x^2-4\,x+1} \]
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