Integrand size = 17, antiderivative size = 41 \[ \int \frac {(1+x)^{3/2}}{(1-x)^{5/2}} \, dx=-\frac {2 \sqrt {1+x}}{\sqrt {1-x}}+\frac {2 (1+x)^{3/2}}{3 (1-x)^{3/2}}+\arcsin (x) \]
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Time = 0.00 (sec) , antiderivative size = 41, normalized size of antiderivative = 1.00, number of steps used = 4, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.176, Rules used = {49, 41, 222} \[ \int \frac {(1+x)^{3/2}}{(1-x)^{5/2}} \, dx=\arcsin (x)+\frac {2 (x+1)^{3/2}}{3 (1-x)^{3/2}}-\frac {2 \sqrt {x+1}}{\sqrt {1-x}} \]
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Rule 41
Rule 49
Rule 222
Rubi steps \begin{align*} \text {integral}& = \frac {2 (1+x)^{3/2}}{3 (1-x)^{3/2}}-\int \frac {\sqrt {1+x}}{(1-x)^{3/2}} \, dx \\ & = -\frac {2 \sqrt {1+x}}{\sqrt {1-x}}+\frac {2 (1+x)^{3/2}}{3 (1-x)^{3/2}}+\int \frac {1}{\sqrt {1-x} \sqrt {1+x}} \, dx \\ & = -\frac {2 \sqrt {1+x}}{\sqrt {1-x}}+\frac {2 (1+x)^{3/2}}{3 (1-x)^{3/2}}+\int \frac {1}{\sqrt {1-x^2}} \, dx \\ & = -\frac {2 \sqrt {1+x}}{\sqrt {1-x}}+\frac {2 (1+x)^{3/2}}{3 (1-x)^{3/2}}+\sin ^{-1}(x) \\ \end{align*}
Time = 0.06 (sec) , antiderivative size = 46, normalized size of antiderivative = 1.12 \[ \int \frac {(1+x)^{3/2}}{(1-x)^{5/2}} \, dx=\frac {4 (-1+2 x) \sqrt {1-x^2}}{3 (-1+x)^2}-2 \arctan \left (\frac {\sqrt {1-x^2}}{-1+x}\right ) \]
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Leaf count of result is larger than twice the leaf count of optimal. \(75\) vs. \(2(31)=62\).
Time = 0.32 (sec) , antiderivative size = 76, normalized size of antiderivative = 1.85
method | result | size |
risch | \(-\frac {4 \left (2 x^{2}+x -1\right ) \sqrt {\left (1+x \right ) \left (1-x \right )}}{3 \left (-1+x \right ) \sqrt {-\left (-1+x \right ) \left (1+x \right )}\, \sqrt {1-x}\, \sqrt {1+x}}+\frac {\sqrt {\left (1+x \right ) \left (1-x \right )}\, \arcsin \left (x \right )}{\sqrt {1+x}\, \sqrt {1-x}}\) | \(76\) |
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Leaf count of result is larger than twice the leaf count of optimal. 71 vs. \(2 (31) = 62\).
Time = 0.23 (sec) , antiderivative size = 71, normalized size of antiderivative = 1.73 \[ \int \frac {(1+x)^{3/2}}{(1-x)^{5/2}} \, dx=-\frac {2 \, {\left (2 \, x^{2} - 2 \, {\left (2 \, x - 1\right )} \sqrt {x + 1} \sqrt {-x + 1} + 3 \, {\left (x^{2} - 2 \, x + 1\right )} \arctan \left (\frac {\sqrt {x + 1} \sqrt {-x + 1} - 1}{x}\right ) - 4 \, x + 2\right )}}{3 \, {\left (x^{2} - 2 \, x + 1\right )}} \]
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Result contains complex when optimal does not.
Time = 3.97 (sec) , antiderivative size = 498, normalized size of antiderivative = 12.15 \[ \int \frac {(1+x)^{3/2}}{(1-x)^{5/2}} \, dx=\begin {cases} - \frac {6 i \sqrt {x - 1} \left (x + 1\right )^{\frac {15}{2}} \operatorname {acosh}{\left (\frac {\sqrt {2} \sqrt {x + 1}}{2} \right )}}{3 \sqrt {x - 1} \left (x + 1\right )^{\frac {15}{2}} - 6 \sqrt {x - 1} \left (x + 1\right )^{\frac {13}{2}}} + \frac {3 \pi \sqrt {x - 1} \left (x + 1\right )^{\frac {15}{2}}}{3 \sqrt {x - 1} \left (x + 1\right )^{\frac {15}{2}} - 6 \sqrt {x - 1} \left (x + 1\right )^{\frac {13}{2}}} + \frac {12 i \sqrt {x - 1} \left (x + 1\right )^{\frac {13}{2}} \operatorname {acosh}{\left (\frac {\sqrt {2} \sqrt {x + 1}}{2} \right )}}{3 \sqrt {x - 1} \left (x + 1\right )^{\frac {15}{2}} - 6 \sqrt {x - 1} \left (x + 1\right )^{\frac {13}{2}}} - \frac {6 \pi \sqrt {x - 1} \left (x + 1\right )^{\frac {13}{2}}}{3 \sqrt {x - 1} \left (x + 1\right )^{\frac {15}{2}} - 6 \sqrt {x - 1} \left (x + 1\right )^{\frac {13}{2}}} + \frac {8 i \left (x + 1\right )^{8}}{3 \sqrt {x - 1} \left (x + 1\right )^{\frac {15}{2}} - 6 \sqrt {x - 1} \left (x + 1\right )^{\frac {13}{2}}} - \frac {12 i \left (x + 1\right )^{7}}{3 \sqrt {x - 1} \left (x + 1\right )^{\frac {15}{2}} - 6 \sqrt {x - 1} \left (x + 1\right )^{\frac {13}{2}}} & \text {for}\: \left |{x + 1}\right | > 2 \\\frac {6 \sqrt {1 - x} \left (x + 1\right )^{\frac {15}{2}} \operatorname {asin}{\left (\frac {\sqrt {2} \sqrt {x + 1}}{2} \right )}}{3 \sqrt {1 - x} \left (x + 1\right )^{\frac {15}{2}} - 6 \sqrt {1 - x} \left (x + 1\right )^{\frac {13}{2}}} - \frac {12 \sqrt {1 - x} \left (x + 1\right )^{\frac {13}{2}} \operatorname {asin}{\left (\frac {\sqrt {2} \sqrt {x + 1}}{2} \right )}}{3 \sqrt {1 - x} \left (x + 1\right )^{\frac {15}{2}} - 6 \sqrt {1 - x} \left (x + 1\right )^{\frac {13}{2}}} - \frac {8 \left (x + 1\right )^{8}}{3 \sqrt {1 - x} \left (x + 1\right )^{\frac {15}{2}} - 6 \sqrt {1 - x} \left (x + 1\right )^{\frac {13}{2}}} + \frac {12 \left (x + 1\right )^{7}}{3 \sqrt {1 - x} \left (x + 1\right )^{\frac {15}{2}} - 6 \sqrt {1 - x} \left (x + 1\right )^{\frac {13}{2}}} & \text {otherwise} \end {cases} \]
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Leaf count of result is larger than twice the leaf count of optimal. 66 vs. \(2 (31) = 62\).
Time = 0.29 (sec) , antiderivative size = 66, normalized size of antiderivative = 1.61 \[ \int \frac {(1+x)^{3/2}}{(1-x)^{5/2}} \, dx=-\frac {{\left (-x^{2} + 1\right )}^{\frac {3}{2}}}{3 \, {\left (x^{3} - 3 \, x^{2} + 3 \, x - 1\right )}} + \frac {2 \, \sqrt {-x^{2} + 1}}{3 \, {\left (x^{2} - 2 \, x + 1\right )}} + \frac {7 \, \sqrt {-x^{2} + 1}}{3 \, {\left (x - 1\right )}} + \arcsin \left (x\right ) \]
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none
Time = 0.30 (sec) , antiderivative size = 38, normalized size of antiderivative = 0.93 \[ \int \frac {(1+x)^{3/2}}{(1-x)^{5/2}} \, dx=\frac {4 \, {\left (2 \, x - 1\right )} \sqrt {x + 1} \sqrt {-x + 1}}{3 \, {\left (x - 1\right )}^{2}} + 2 \, \arcsin \left (\frac {1}{2} \, \sqrt {2} \sqrt {x + 1}\right ) \]
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Timed out. \[ \int \frac {(1+x)^{3/2}}{(1-x)^{5/2}} \, dx=\int \frac {{\left (x+1\right )}^{3/2}}{{\left (1-x\right )}^{5/2}} \,d x \]
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