Integrand size = 17, antiderivative size = 20 \[ \int \frac {(1+x)^{5/2}}{(1-x)^{9/2}} \, dx=\frac {(1+x)^{7/2}}{7 (1-x)^{7/2}} \]
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Time = 0.00 (sec) , antiderivative size = 20, normalized size of antiderivative = 1.00, number of steps used = 1, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.059, Rules used = {37} \[ \int \frac {(1+x)^{5/2}}{(1-x)^{9/2}} \, dx=\frac {(x+1)^{7/2}}{7 (1-x)^{7/2}} \]
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Rule 37
Rubi steps \begin{align*} \text {integral}& = \frac {(1+x)^{7/2}}{7 (1-x)^{7/2}} \\ \end{align*}
Time = 0.02 (sec) , antiderivative size = 20, normalized size of antiderivative = 1.00 \[ \int \frac {(1+x)^{5/2}}{(1-x)^{9/2}} \, dx=\frac {(1+x)^{7/2}}{7 (1-x)^{7/2}} \]
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Time = 0.18 (sec) , antiderivative size = 15, normalized size of antiderivative = 0.75
method | result | size |
gosper | \(\frac {\left (1+x \right )^{\frac {7}{2}}}{7 \left (1-x \right )^{\frac {7}{2}}}\) | \(15\) |
risch | \(-\frac {\sqrt {\left (1+x \right ) \left (1-x \right )}\, \left (x^{4}+4 x^{3}+6 x^{2}+4 x +1\right )}{7 \sqrt {1-x}\, \sqrt {1+x}\, \left (-1+x \right )^{3} \sqrt {-\left (-1+x \right ) \left (1+x \right )}}\) | \(59\) |
default | \(\frac {\left (1+x \right )^{\frac {5}{2}}}{\left (1-x \right )^{\frac {7}{2}}}-\frac {5 \left (1+x \right )^{\frac {3}{2}}}{2 \left (1-x \right )^{\frac {7}{2}}}+\frac {15 \sqrt {1+x}}{7 \left (1-x \right )^{\frac {7}{2}}}-\frac {3 \sqrt {1+x}}{14 \left (1-x \right )^{\frac {5}{2}}}-\frac {\sqrt {1+x}}{7 \left (1-x \right )^{\frac {3}{2}}}-\frac {\sqrt {1+x}}{7 \sqrt {1-x}}\) | \(85\) |
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Leaf count of result is larger than twice the leaf count of optimal. 66 vs. \(2 (14) = 28\).
Time = 0.22 (sec) , antiderivative size = 66, normalized size of antiderivative = 3.30 \[ \int \frac {(1+x)^{5/2}}{(1-x)^{9/2}} \, dx=\frac {x^{4} - 4 \, x^{3} + 6 \, x^{2} + {\left (x^{3} + 3 \, x^{2} + 3 \, x + 1\right )} \sqrt {x + 1} \sqrt {-x + 1} - 4 \, x + 1}{7 \, {\left (x^{4} - 4 \, x^{3} + 6 \, x^{2} - 4 \, x + 1\right )}} \]
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Result contains complex when optimal does not.
Time = 20.23 (sec) , antiderivative size = 114, normalized size of antiderivative = 5.70 \[ \int \frac {(1+x)^{5/2}}{(1-x)^{9/2}} \, dx=\begin {cases} \frac {i \left (x + 1\right )^{\frac {7}{2}}}{7 \sqrt {x - 1} \left (x + 1\right )^{3} - 42 \sqrt {x - 1} \left (x + 1\right )^{2} + 84 \sqrt {x - 1} \left (x + 1\right ) - 56 \sqrt {x - 1}} & \text {for}\: \left |{x + 1}\right | > 2 \\- \frac {\left (x + 1\right )^{\frac {7}{2}}}{7 \sqrt {1 - x} \left (x + 1\right )^{3} - 42 \sqrt {1 - x} \left (x + 1\right )^{2} + 84 \sqrt {1 - x} \left (x + 1\right ) - 56 \sqrt {1 - x}} & \text {otherwise} \end {cases} \]
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Leaf count of result is larger than twice the leaf count of optimal. 171 vs. \(2 (14) = 28\).
Time = 0.22 (sec) , antiderivative size = 171, normalized size of antiderivative = 8.55 \[ \int \frac {(1+x)^{5/2}}{(1-x)^{9/2}} \, dx=\frac {{\left (-x^{2} + 1\right )}^{\frac {5}{2}}}{x^{6} - 6 \, x^{5} + 15 \, x^{4} - 20 \, x^{3} + 15 \, x^{2} - 6 \, x + 1} + \frac {5 \, {\left (-x^{2} + 1\right )}^{\frac {3}{2}}}{2 \, {\left (x^{5} - 5 \, x^{4} + 10 \, x^{3} - 10 \, x^{2} + 5 \, x - 1\right )}} + \frac {15 \, \sqrt {-x^{2} + 1}}{7 \, {\left (x^{4} - 4 \, x^{3} + 6 \, x^{2} - 4 \, x + 1\right )}} + \frac {3 \, \sqrt {-x^{2} + 1}}{14 \, {\left (x^{3} - 3 \, x^{2} + 3 \, x - 1\right )}} - \frac {\sqrt {-x^{2} + 1}}{7 \, {\left (x^{2} - 2 \, x + 1\right )}} + \frac {\sqrt {-x^{2} + 1}}{7 \, {\left (x - 1\right )}} \]
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none
Time = 0.31 (sec) , antiderivative size = 19, normalized size of antiderivative = 0.95 \[ \int \frac {(1+x)^{5/2}}{(1-x)^{9/2}} \, dx=\frac {{\left (x + 1\right )}^{\frac {7}{2}} \sqrt {-x + 1}}{7 \, {\left (x - 1\right )}^{4}} \]
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Time = 0.31 (sec) , antiderivative size = 64, normalized size of antiderivative = 3.20 \[ \int \frac {(1+x)^{5/2}}{(1-x)^{9/2}} \, dx=\frac {\sqrt {1-x}\,\left (\frac {3\,x\,\sqrt {x+1}}{7}+\frac {\sqrt {x+1}}{7}+\frac {3\,x^2\,\sqrt {x+1}}{7}+\frac {x^3\,\sqrt {x+1}}{7}\right )}{x^4-4\,x^3+6\,x^2-4\,x+1} \]
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