Integrand size = 17, antiderivative size = 103 \[ \int \frac {1}{(1-x)^{11/2} (1+x)^{5/2}} \, dx=\frac {1}{9 (1-x)^{9/2} (1+x)^{3/2}}+\frac {2}{21 (1-x)^{7/2} (1+x)^{3/2}}+\frac {2}{21 (1-x)^{5/2} (1+x)^{3/2}}+\frac {8 x}{63 (1-x)^{3/2} (1+x)^{3/2}}+\frac {16 x}{63 \sqrt {1-x} \sqrt {1+x}} \]
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Time = 0.02 (sec) , antiderivative size = 103, normalized size of antiderivative = 1.00, number of steps used = 5, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.176, Rules used = {47, 40, 39} \[ \int \frac {1}{(1-x)^{11/2} (1+x)^{5/2}} \, dx=\frac {16 x}{63 \sqrt {1-x} \sqrt {x+1}}+\frac {8 x}{63 (1-x)^{3/2} (x+1)^{3/2}}+\frac {2}{21 (1-x)^{5/2} (x+1)^{3/2}}+\frac {2}{21 (1-x)^{7/2} (x+1)^{3/2}}+\frac {1}{9 (1-x)^{9/2} (x+1)^{3/2}} \]
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Rule 39
Rule 40
Rule 47
Rubi steps \begin{align*} \text {integral}& = \frac {1}{9 (1-x)^{9/2} (1+x)^{3/2}}+\frac {2}{3} \int \frac {1}{(1-x)^{9/2} (1+x)^{5/2}} \, dx \\ & = \frac {1}{9 (1-x)^{9/2} (1+x)^{3/2}}+\frac {2}{21 (1-x)^{7/2} (1+x)^{3/2}}+\frac {10}{21} \int \frac {1}{(1-x)^{7/2} (1+x)^{5/2}} \, dx \\ & = \frac {1}{9 (1-x)^{9/2} (1+x)^{3/2}}+\frac {2}{21 (1-x)^{7/2} (1+x)^{3/2}}+\frac {2}{21 (1-x)^{5/2} (1+x)^{3/2}}+\frac {8}{21} \int \frac {1}{(1-x)^{5/2} (1+x)^{5/2}} \, dx \\ & = \frac {1}{9 (1-x)^{9/2} (1+x)^{3/2}}+\frac {2}{21 (1-x)^{7/2} (1+x)^{3/2}}+\frac {2}{21 (1-x)^{5/2} (1+x)^{3/2}}+\frac {8 x}{63 (1-x)^{3/2} (1+x)^{3/2}}+\frac {16}{63} \int \frac {1}{(1-x)^{3/2} (1+x)^{3/2}} \, dx \\ & = \frac {1}{9 (1-x)^{9/2} (1+x)^{3/2}}+\frac {2}{21 (1-x)^{7/2} (1+x)^{3/2}}+\frac {2}{21 (1-x)^{5/2} (1+x)^{3/2}}+\frac {8 x}{63 (1-x)^{3/2} (1+x)^{3/2}}+\frac {16 x}{63 \sqrt {1-x} \sqrt {1+x}} \\ \end{align*}
Time = 0.04 (sec) , antiderivative size = 50, normalized size of antiderivative = 0.49 \[ \int \frac {1}{(1-x)^{11/2} (1+x)^{5/2}} \, dx=\frac {19+6 x-66 x^2+56 x^3+24 x^4-48 x^5+16 x^6}{63 (1-x)^{9/2} (1+x)^{3/2}} \]
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Time = 0.34 (sec) , antiderivative size = 45, normalized size of antiderivative = 0.44
method | result | size |
gosper | \(\frac {16 x^{6}-48 x^{5}+24 x^{4}+56 x^{3}-66 x^{2}+6 x +19}{63 \left (1+x \right )^{\frac {3}{2}} \left (1-x \right )^{\frac {9}{2}}}\) | \(45\) |
risch | \(\frac {\sqrt {\left (1+x \right ) \left (1-x \right )}\, \left (16 x^{6}-48 x^{5}+24 x^{4}+56 x^{3}-66 x^{2}+6 x +19\right )}{63 \sqrt {1-x}\, \left (1+x \right )^{\frac {3}{2}} \left (-1+x \right )^{4} \sqrt {-\left (-1+x \right ) \left (1+x \right )}}\) | \(71\) |
default | \(\frac {1}{9 \left (1-x \right )^{\frac {9}{2}} \left (1+x \right )^{\frac {3}{2}}}+\frac {2}{21 \left (1-x \right )^{\frac {7}{2}} \left (1+x \right )^{\frac {3}{2}}}+\frac {2}{21 \left (1-x \right )^{\frac {5}{2}} \left (1+x \right )^{\frac {3}{2}}}+\frac {8}{63 \left (1-x \right )^{\frac {3}{2}} \left (1+x \right )^{\frac {3}{2}}}+\frac {8}{21 \sqrt {1-x}\, \left (1+x \right )^{\frac {3}{2}}}-\frac {16 \sqrt {1-x}}{63 \left (1+x \right )^{\frac {3}{2}}}-\frac {16 \sqrt {1-x}}{63 \sqrt {1+x}}\) | \(100\) |
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Time = 0.22 (sec) , antiderivative size = 114, normalized size of antiderivative = 1.11 \[ \int \frac {1}{(1-x)^{11/2} (1+x)^{5/2}} \, dx=\frac {19 \, x^{7} - 57 \, x^{6} + 19 \, x^{5} + 95 \, x^{4} - 95 \, x^{3} - 19 \, x^{2} - {\left (16 \, x^{6} - 48 \, x^{5} + 24 \, x^{4} + 56 \, x^{3} - 66 \, x^{2} + 6 \, x + 19\right )} \sqrt {x + 1} \sqrt {-x + 1} + 57 \, x - 19}{63 \, {\left (x^{7} - 3 \, x^{6} + x^{5} + 5 \, x^{4} - 5 \, x^{3} - x^{2} + 3 \, x - 1\right )}} \]
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Timed out. \[ \int \frac {1}{(1-x)^{11/2} (1+x)^{5/2}} \, dx=\text {Timed out} \]
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Time = 0.19 (sec) , antiderivative size = 146, normalized size of antiderivative = 1.42 \[ \int \frac {1}{(1-x)^{11/2} (1+x)^{5/2}} \, dx=\frac {16 \, x}{63 \, \sqrt {-x^{2} + 1}} + \frac {8 \, x}{63 \, {\left (-x^{2} + 1\right )}^{\frac {3}{2}}} - \frac {1}{9 \, {\left ({\left (-x^{2} + 1\right )}^{\frac {3}{2}} x^{3} - 3 \, {\left (-x^{2} + 1\right )}^{\frac {3}{2}} x^{2} + 3 \, {\left (-x^{2} + 1\right )}^{\frac {3}{2}} x - {\left (-x^{2} + 1\right )}^{\frac {3}{2}}\right )}} + \frac {2}{21 \, {\left ({\left (-x^{2} + 1\right )}^{\frac {3}{2}} x^{2} - 2 \, {\left (-x^{2} + 1\right )}^{\frac {3}{2}} x + {\left (-x^{2} + 1\right )}^{\frac {3}{2}}\right )}} - \frac {2}{21 \, {\left ({\left (-x^{2} + 1\right )}^{\frac {3}{2}} x - {\left (-x^{2} + 1\right )}^{\frac {3}{2}}\right )}} \]
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Time = 0.30 (sec) , antiderivative size = 131, normalized size of antiderivative = 1.27 \[ \int \frac {1}{(1-x)^{11/2} (1+x)^{5/2}} \, dx=\frac {{\left (\sqrt {2} - \sqrt {-x + 1}\right )}^{3}}{1536 \, {\left (x + 1\right )}^{\frac {3}{2}}} + \frac {23 \, {\left (\sqrt {2} - \sqrt {-x + 1}\right )}}{512 \, \sqrt {x + 1}} - \frac {{\left (x + 1\right )}^{\frac {3}{2}} {\left (\frac {69 \, {\left (\sqrt {2} - \sqrt {-x + 1}\right )}^{2}}{x + 1} + 1\right )}}{1536 \, {\left (\sqrt {2} - \sqrt {-x + 1}\right )}^{3}} - \frac {{\left ({\left ({\left ({\left (667 \, x - 5021\right )} {\left (x + 1\right )} + 18396\right )} {\left (x + 1\right )} - 26880\right )} {\left (x + 1\right )} + 15120\right )} \sqrt {x + 1} \sqrt {-x + 1}}{4032 \, {\left (x - 1\right )}^{5}} \]
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Time = 0.46 (sec) , antiderivative size = 99, normalized size of antiderivative = 0.96 \[ \int \frac {1}{(1-x)^{11/2} (1+x)^{5/2}} \, dx=-\frac {6\,x\,\sqrt {1-x}+19\,\sqrt {1-x}-66\,x^2\,\sqrt {1-x}+56\,x^3\,\sqrt {1-x}+24\,x^4\,\sqrt {1-x}-48\,x^5\,\sqrt {1-x}+16\,x^6\,\sqrt {1-x}}{\left (63\,x+63\right )\,{\left (x-1\right )}^5\,\sqrt {x+1}} \]
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