Integrand size = 17, antiderivative size = 20 \[ \int \frac {(1+x)^{3/2}}{(1-x)^{7/2}} \, dx=\frac {(1+x)^{5/2}}{5 (1-x)^{5/2}} \]
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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} \[ \int \frac {(1+x)^{3/2}}{(1-x)^{7/2}} \, dx=\frac {(x+1)^{5/2}}{5 (1-x)^{5/2}} \]
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Rule 37
Rubi steps \begin{align*} \text {integral}& = \frac {(1+x)^{5/2}}{5 (1-x)^{5/2}} \\ \end{align*}
Time = 0.02 (sec) , antiderivative size = 20, normalized size of antiderivative = 1.00 \[ \int \frac {(1+x)^{3/2}}{(1-x)^{7/2}} \, dx=\frac {(1+x)^{5/2}}{5 (1-x)^{5/2}} \]
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Time = 0.17 (sec) , antiderivative size = 15, normalized size of antiderivative = 0.75
method | result | size |
gosper | \(\frac {\left (1+x \right )^{\frac {5}{2}}}{5 \left (1-x \right )^{\frac {5}{2}}}\) | \(15\) |
risch | \(\frac {\sqrt {\left (1+x \right ) \left (1-x \right )}\, \left (x^{3}+3 x^{2}+3 x +1\right )}{5 \sqrt {1-x}\, \sqrt {1+x}\, \left (-1+x \right )^{2} \sqrt {-\left (-1+x \right ) \left (1+x \right )}}\) | \(54\) |
default | \(\frac {\left (1+x \right )^{\frac {3}{2}}}{\left (1-x \right )^{\frac {5}{2}}}-\frac {6 \sqrt {1+x}}{5 \left (1-x \right )^{\frac {5}{2}}}+\frac {\sqrt {1+x}}{5 \left (1-x \right )^{\frac {3}{2}}}+\frac {\sqrt {1+x}}{5 \sqrt {1-x}}\) | \(57\) |
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Leaf count of result is larger than twice the leaf count of optimal. 52 vs. \(2 (14) = 28\).
Time = 0.23 (sec) , antiderivative size = 52, normalized size of antiderivative = 2.60 \[ \int \frac {(1+x)^{3/2}}{(1-x)^{7/2}} \, dx=\frac {x^{3} - 3 \, x^{2} - {\left (x^{2} + 2 \, x + 1\right )} \sqrt {x + 1} \sqrt {-x + 1} + 3 \, x - 1}{5 \, {\left (x^{3} - 3 \, x^{2} + 3 \, x - 1\right )}} \]
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Result contains complex when optimal does not.
Time = 6.07 (sec) , antiderivative size = 87, normalized size of antiderivative = 4.35 \[ \int \frac {(1+x)^{3/2}}{(1-x)^{7/2}} \, dx=\begin {cases} - \frac {i \left (x + 1\right )^{\frac {5}{2}}}{5 \sqrt {x - 1} \left (x + 1\right )^{2} - 20 \sqrt {x - 1} \left (x + 1\right ) + 20 \sqrt {x - 1}} & \text {for}\: \left |{x + 1}\right | > 2 \\\frac {\left (x + 1\right )^{\frac {5}{2}}}{5 \sqrt {1 - x} \left (x + 1\right )^{2} - 20 \sqrt {1 - x} \left (x + 1\right ) + 20 \sqrt {1 - x}} & \text {otherwise} \end {cases} \]
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Leaf count of result is larger than twice the leaf count of optimal. 94 vs. \(2 (14) = 28\).
Time = 0.22 (sec) , antiderivative size = 94, normalized size of antiderivative = 4.70 \[ \int \frac {(1+x)^{3/2}}{(1-x)^{7/2}} \, dx=\frac {{\left (-x^{2} + 1\right )}^{\frac {3}{2}}}{x^{4} - 4 \, x^{3} + 6 \, x^{2} - 4 \, x + 1} + \frac {6 \, \sqrt {-x^{2} + 1}}{5 \, {\left (x^{3} - 3 \, x^{2} + 3 \, x - 1\right )}} + \frac {\sqrt {-x^{2} + 1}}{5 \, {\left (x^{2} - 2 \, x + 1\right )}} - \frac {\sqrt {-x^{2} + 1}}{5 \, {\left (x - 1\right )}} \]
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none
Time = 0.31 (sec) , antiderivative size = 19, normalized size of antiderivative = 0.95 \[ \int \frac {(1+x)^{3/2}}{(1-x)^{7/2}} \, dx=-\frac {{\left (x + 1\right )}^{\frac {5}{2}} \sqrt {-x + 1}}{5 \, {\left (x - 1\right )}^{3}} \]
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Time = 0.30 (sec) , antiderivative size = 50, normalized size of antiderivative = 2.50 \[ \int \frac {(1+x)^{3/2}}{(1-x)^{7/2}} \, dx=-\frac {\sqrt {1-x}\,\left (\frac {2\,x\,\sqrt {x+1}}{5}+\frac {\sqrt {x+1}}{5}+\frac {x^2\,\sqrt {x+1}}{5}\right )}{x^3-3\,x^2+3\,x-1} \]
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