Integrand size = 20, antiderivative size = 115 \[ \int \frac {(1+x)^{3/2}}{\sqrt {1-x} x^5} \, dx=-\frac {\sqrt {1-x} \sqrt {1+x}}{4 x^4}-\frac {2 \sqrt {1-x} \sqrt {1+x}}{3 x^3}-\frac {7 \sqrt {1-x} \sqrt {1+x}}{8 x^2}-\frac {4 \sqrt {1-x} \sqrt {1+x}}{3 x}-\frac {7}{8} \text {arctanh}\left (\sqrt {1-x} \sqrt {1+x}\right ) \]
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Time = 0.02 (sec) , antiderivative size = 115, normalized size of antiderivative = 1.00, number of steps used = 7, number of rules used = 5, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.250, Rules used = {100, 156, 12, 94, 212} \[ \int \frac {(1+x)^{3/2}}{\sqrt {1-x} x^5} \, dx=-\frac {7}{8} \text {arctanh}\left (\sqrt {1-x} \sqrt {x+1}\right )-\frac {\sqrt {1-x} \sqrt {x+1}}{4 x^4}-\frac {2 \sqrt {1-x} \sqrt {x+1}}{3 x^3}-\frac {7 \sqrt {1-x} \sqrt {x+1}}{8 x^2}-\frac {4 \sqrt {1-x} \sqrt {x+1}}{3 x} \]
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Rule 12
Rule 94
Rule 100
Rule 156
Rule 212
Rubi steps \begin{align*} \text {integral}& = -\frac {\sqrt {1-x} \sqrt {1+x}}{4 x^4}-\frac {1}{4} \int \frac {-8-7 x}{\sqrt {1-x} x^4 \sqrt {1+x}} \, dx \\ & = -\frac {\sqrt {1-x} \sqrt {1+x}}{4 x^4}-\frac {2 \sqrt {1-x} \sqrt {1+x}}{3 x^3}+\frac {1}{12} \int \frac {21+16 x}{\sqrt {1-x} x^3 \sqrt {1+x}} \, dx \\ & = -\frac {\sqrt {1-x} \sqrt {1+x}}{4 x^4}-\frac {2 \sqrt {1-x} \sqrt {1+x}}{3 x^3}-\frac {7 \sqrt {1-x} \sqrt {1+x}}{8 x^2}-\frac {1}{24} \int \frac {-32-21 x}{\sqrt {1-x} x^2 \sqrt {1+x}} \, dx \\ & = -\frac {\sqrt {1-x} \sqrt {1+x}}{4 x^4}-\frac {2 \sqrt {1-x} \sqrt {1+x}}{3 x^3}-\frac {7 \sqrt {1-x} \sqrt {1+x}}{8 x^2}-\frac {4 \sqrt {1-x} \sqrt {1+x}}{3 x}+\frac {1}{24} \int \frac {21}{\sqrt {1-x} x \sqrt {1+x}} \, dx \\ & = -\frac {\sqrt {1-x} \sqrt {1+x}}{4 x^4}-\frac {2 \sqrt {1-x} \sqrt {1+x}}{3 x^3}-\frac {7 \sqrt {1-x} \sqrt {1+x}}{8 x^2}-\frac {4 \sqrt {1-x} \sqrt {1+x}}{3 x}+\frac {7}{8} \int \frac {1}{\sqrt {1-x} x \sqrt {1+x}} \, dx \\ & = -\frac {\sqrt {1-x} \sqrt {1+x}}{4 x^4}-\frac {2 \sqrt {1-x} \sqrt {1+x}}{3 x^3}-\frac {7 \sqrt {1-x} \sqrt {1+x}}{8 x^2}-\frac {4 \sqrt {1-x} \sqrt {1+x}}{3 x}-\frac {7}{8} \text {Subst}\left (\int \frac {1}{1-x^2} \, dx,x,\sqrt {1-x} \sqrt {1+x}\right ) \\ & = -\frac {\sqrt {1-x} \sqrt {1+x}}{4 x^4}-\frac {2 \sqrt {1-x} \sqrt {1+x}}{3 x^3}-\frac {7 \sqrt {1-x} \sqrt {1+x}}{8 x^2}-\frac {4 \sqrt {1-x} \sqrt {1+x}}{3 x}-\frac {7}{8} \tanh ^{-1}\left (\sqrt {1-x} \sqrt {1+x}\right ) \\ \end{align*}
Time = 0.27 (sec) , antiderivative size = 66, normalized size of antiderivative = 0.57 \[ \int \frac {(1+x)^{3/2}}{\sqrt {1-x} x^5} \, dx=-\frac {\sqrt {1-x} \left (6+22 x+37 x^2+53 x^3+32 x^4\right )}{24 x^4 \sqrt {1+x}}-\frac {7}{4} \text {arctanh}\left (\frac {\sqrt {1-x}}{\sqrt {1+x}}\right ) \]
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Time = 0.57 (sec) , antiderivative size = 93, normalized size of antiderivative = 0.81
method | result | size |
risch | \(\frac {\left (-1+x \right ) \sqrt {1+x}\, \left (32 x^{3}+21 x^{2}+16 x +6\right ) \sqrt {\left (1+x \right ) \left (1-x \right )}}{24 x^{4} \sqrt {-\left (-1+x \right ) \left (1+x \right )}\, \sqrt {1-x}}-\frac {7 \,\operatorname {arctanh}\left (\frac {1}{\sqrt {-x^{2}+1}}\right ) \sqrt {\left (1+x \right ) \left (1-x \right )}}{8 \sqrt {1-x}\, \sqrt {1+x}}\) | \(93\) |
default | \(-\frac {\sqrt {1+x}\, \sqrt {1-x}\, \left (21 \,\operatorname {arctanh}\left (\frac {1}{\sqrt {-x^{2}+1}}\right ) x^{4}+32 x^{3} \sqrt {-x^{2}+1}+21 x^{2} \sqrt {-x^{2}+1}+16 x \sqrt {-x^{2}+1}+6 \sqrt {-x^{2}+1}\right )}{24 x^{4} \sqrt {-x^{2}+1}}\) | \(94\) |
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Time = 0.22 (sec) , antiderivative size = 60, normalized size of antiderivative = 0.52 \[ \int \frac {(1+x)^{3/2}}{\sqrt {1-x} x^5} \, dx=\frac {21 \, x^{4} \log \left (\frac {\sqrt {x + 1} \sqrt {-x + 1} - 1}{x}\right ) - {\left (32 \, x^{3} + 21 \, x^{2} + 16 \, x + 6\right )} \sqrt {x + 1} \sqrt {-x + 1}}{24 \, x^{4}} \]
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\[ \int \frac {(1+x)^{3/2}}{\sqrt {1-x} x^5} \, dx=\int \frac {\left (x + 1\right )^{\frac {3}{2}}}{x^{5} \sqrt {1 - x}}\, dx \]
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Time = 0.28 (sec) , antiderivative size = 82, normalized size of antiderivative = 0.71 \[ \int \frac {(1+x)^{3/2}}{\sqrt {1-x} x^5} \, dx=-\frac {4 \, \sqrt {-x^{2} + 1}}{3 \, x} - \frac {7 \, \sqrt {-x^{2} + 1}}{8 \, x^{2}} - \frac {2 \, \sqrt {-x^{2} + 1}}{3 \, x^{3}} - \frac {\sqrt {-x^{2} + 1}}{4 \, x^{4}} - \frac {7}{8} \, \log \left (\frac {2 \, \sqrt {-x^{2} + 1}}{{\left | x \right |}} + \frac {2}{{\left | x \right |}}\right ) \]
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Leaf count of result is larger than twice the leaf count of optimal. 326 vs. \(2 (85) = 170\).
Time = 0.35 (sec) , antiderivative size = 326, normalized size of antiderivative = 2.83 \[ \int \frac {(1+x)^{3/2}}{\sqrt {1-x} x^5} \, dx=-\frac {21 \, {\left (\frac {\sqrt {2} - \sqrt {-x + 1}}{\sqrt {x + 1}} - \frac {\sqrt {x + 1}}{\sqrt {2} - \sqrt {-x + 1}}\right )}^{7} - 308 \, {\left (\frac {\sqrt {2} - \sqrt {-x + 1}}{\sqrt {x + 1}} - \frac {\sqrt {x + 1}}{\sqrt {2} - \sqrt {-x + 1}}\right )}^{5} + 1328 \, {\left (\frac {\sqrt {2} - \sqrt {-x + 1}}{\sqrt {x + 1}} - \frac {\sqrt {x + 1}}{\sqrt {2} - \sqrt {-x + 1}}\right )}^{3} - \frac {4800 \, {\left (\sqrt {2} - \sqrt {-x + 1}\right )}}{\sqrt {x + 1}} + \frac {4800 \, \sqrt {x + 1}}{\sqrt {2} - \sqrt {-x + 1}}}{6 \, {\left ({\left (\frac {\sqrt {2} - \sqrt {-x + 1}}{\sqrt {x + 1}} - \frac {\sqrt {x + 1}}{\sqrt {2} - \sqrt {-x + 1}}\right )}^{2} - 4\right )}^{4}} - \frac {7}{8} \, \log \left ({\left | -\frac {\sqrt {2} - \sqrt {-x + 1}}{\sqrt {x + 1}} + \frac {\sqrt {x + 1}}{\sqrt {2} - \sqrt {-x + 1}} + 2 \right |}\right ) + \frac {7}{8} \, \log \left ({\left | -\frac {\sqrt {2} - \sqrt {-x + 1}}{\sqrt {x + 1}} + \frac {\sqrt {x + 1}}{\sqrt {2} - \sqrt {-x + 1}} - 2 \right |}\right ) \]
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Timed out. \[ \int \frac {(1+x)^{3/2}}{\sqrt {1-x} x^5} \, dx=\int \frac {{\left (x+1\right )}^{3/2}}{x^5\,\sqrt {1-x}} \,d x \]
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