Integrand size = 17, antiderivative size = 130 \[ \int (1-x)^{11/2} (1+x)^{5/2} \, dx=\frac {55}{128} \sqrt {1-x} x \sqrt {1+x}+\frac {55}{192} (1-x)^{3/2} x (1+x)^{3/2}+\frac {11}{48} (1-x)^{5/2} x (1+x)^{5/2}+\frac {11}{56} (1-x)^{7/2} (1+x)^{7/2}+\frac {11}{72} (1-x)^{9/2} (1+x)^{7/2}+\frac {1}{9} (1-x)^{11/2} (1+x)^{7/2}+\frac {55 \arcsin (x)}{128} \]
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Time = 0.02 (sec) , antiderivative size = 130, normalized size of antiderivative = 1.00, number of steps used = 8, number of rules used = 4, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.235, Rules used = {51, 38, 41, 222} \[ \int (1-x)^{11/2} (1+x)^{5/2} \, dx=\frac {55 \arcsin (x)}{128}+\frac {1}{9} (x+1)^{7/2} (1-x)^{11/2}+\frac {11}{72} (x+1)^{7/2} (1-x)^{9/2}+\frac {11}{56} (x+1)^{7/2} (1-x)^{7/2}+\frac {11}{48} x (x+1)^{5/2} (1-x)^{5/2}+\frac {55}{192} x (x+1)^{3/2} (1-x)^{3/2}+\frac {55}{128} x \sqrt {x+1} \sqrt {1-x} \]
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Rule 38
Rule 41
Rule 51
Rule 222
Rubi steps \begin{align*} \text {integral}& = \frac {1}{9} (1-x)^{11/2} (1+x)^{7/2}+\frac {11}{9} \int (1-x)^{9/2} (1+x)^{5/2} \, dx \\ & = \frac {11}{72} (1-x)^{9/2} (1+x)^{7/2}+\frac {1}{9} (1-x)^{11/2} (1+x)^{7/2}+\frac {11}{8} \int (1-x)^{7/2} (1+x)^{5/2} \, dx \\ & = \frac {11}{56} (1-x)^{7/2} (1+x)^{7/2}+\frac {11}{72} (1-x)^{9/2} (1+x)^{7/2}+\frac {1}{9} (1-x)^{11/2} (1+x)^{7/2}+\frac {11}{8} \int (1-x)^{5/2} (1+x)^{5/2} \, dx \\ & = \frac {11}{48} (1-x)^{5/2} x (1+x)^{5/2}+\frac {11}{56} (1-x)^{7/2} (1+x)^{7/2}+\frac {11}{72} (1-x)^{9/2} (1+x)^{7/2}+\frac {1}{9} (1-x)^{11/2} (1+x)^{7/2}+\frac {55}{48} \int (1-x)^{3/2} (1+x)^{3/2} \, dx \\ & = \frac {55}{192} (1-x)^{3/2} x (1+x)^{3/2}+\frac {11}{48} (1-x)^{5/2} x (1+x)^{5/2}+\frac {11}{56} (1-x)^{7/2} (1+x)^{7/2}+\frac {11}{72} (1-x)^{9/2} (1+x)^{7/2}+\frac {1}{9} (1-x)^{11/2} (1+x)^{7/2}+\frac {55}{64} \int \sqrt {1-x} \sqrt {1+x} \, dx \\ & = \frac {55}{128} \sqrt {1-x} x \sqrt {1+x}+\frac {55}{192} (1-x)^{3/2} x (1+x)^{3/2}+\frac {11}{48} (1-x)^{5/2} x (1+x)^{5/2}+\frac {11}{56} (1-x)^{7/2} (1+x)^{7/2}+\frac {11}{72} (1-x)^{9/2} (1+x)^{7/2}+\frac {1}{9} (1-x)^{11/2} (1+x)^{7/2}+\frac {55}{128} \int \frac {1}{\sqrt {1-x} \sqrt {1+x}} \, dx \\ & = \frac {55}{128} \sqrt {1-x} x \sqrt {1+x}+\frac {55}{192} (1-x)^{3/2} x (1+x)^{3/2}+\frac {11}{48} (1-x)^{5/2} x (1+x)^{5/2}+\frac {11}{56} (1-x)^{7/2} (1+x)^{7/2}+\frac {11}{72} (1-x)^{9/2} (1+x)^{7/2}+\frac {1}{9} (1-x)^{11/2} (1+x)^{7/2}+\frac {55}{128} \int \frac {1}{\sqrt {1-x^2}} \, dx \\ & = \frac {55}{128} \sqrt {1-x} x \sqrt {1+x}+\frac {55}{192} (1-x)^{3/2} x (1+x)^{3/2}+\frac {11}{48} (1-x)^{5/2} x (1+x)^{5/2}+\frac {11}{56} (1-x)^{7/2} (1+x)^{7/2}+\frac {11}{72} (1-x)^{9/2} (1+x)^{7/2}+\frac {1}{9} (1-x)^{11/2} (1+x)^{7/2}+\frac {55}{128} \sin ^{-1}(x) \\ \end{align*}
Time = 0.20 (sec) , antiderivative size = 78, normalized size of antiderivative = 0.60 \[ \int (1-x)^{11/2} (1+x)^{5/2} \, dx=\frac {\sqrt {1-x^2} \left (3712+4599 x-10240 x^2+3066 x^3+8448 x^4-7224 x^5-1024 x^6+3024 x^7-896 x^8\right )}{8064}-\frac {55}{64} \arctan \left (\frac {\sqrt {1-x^2}}{-1+x}\right ) \]
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Time = 0.17 (sec) , antiderivative size = 107, normalized size of antiderivative = 0.82
method | result | size |
risch | \(\frac {\left (896 x^{8}-3024 x^{7}+1024 x^{6}+7224 x^{5}-8448 x^{4}-3066 x^{3}+10240 x^{2}-4599 x -3712\right ) \left (-1+x \right ) \sqrt {1+x}\, \sqrt {\left (1+x \right ) \left (1-x \right )}}{8064 \sqrt {-\left (-1+x \right ) \left (1+x \right )}\, \sqrt {1-x}}+\frac {55 \sqrt {\left (1+x \right ) \left (1-x \right )}\, \arcsin \left (x \right )}{128 \sqrt {1+x}\, \sqrt {1-x}}\) | \(107\) |
default | \(\frac {\left (1-x \right )^{\frac {11}{2}} \left (1+x \right )^{\frac {7}{2}}}{9}+\frac {11 \left (1-x \right )^{\frac {9}{2}} \left (1+x \right )^{\frac {7}{2}}}{72}+\frac {11 \left (1-x \right )^{\frac {7}{2}} \left (1+x \right )^{\frac {7}{2}}}{56}+\frac {11 \left (1-x \right )^{\frac {5}{2}} \left (1+x \right )^{\frac {7}{2}}}{48}+\frac {11 \left (1-x \right )^{\frac {3}{2}} \left (1+x \right )^{\frac {7}{2}}}{48}+\frac {11 \sqrt {1-x}\, \left (1+x \right )^{\frac {7}{2}}}{64}-\frac {11 \sqrt {1-x}\, \left (1+x \right )^{\frac {5}{2}}}{192}-\frac {55 \sqrt {1-x}\, \left (1+x \right )^{\frac {3}{2}}}{384}-\frac {55 \sqrt {1-x}\, \sqrt {1+x}}{128}+\frac {55 \sqrt {\left (1+x \right ) \left (1-x \right )}\, \arcsin \left (x \right )}{128 \sqrt {1+x}\, \sqrt {1-x}}\) | \(155\) |
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Time = 0.23 (sec) , antiderivative size = 77, normalized size of antiderivative = 0.59 \[ \int (1-x)^{11/2} (1+x)^{5/2} \, dx=-\frac {1}{8064} \, {\left (896 \, x^{8} - 3024 \, x^{7} + 1024 \, x^{6} + 7224 \, x^{5} - 8448 \, x^{4} - 3066 \, x^{3} + 10240 \, x^{2} - 4599 \, x - 3712\right )} \sqrt {x + 1} \sqrt {-x + 1} - \frac {55}{64} \, \arctan \left (\frac {\sqrt {x + 1} \sqrt {-x + 1} - 1}{x}\right ) \]
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Timed out. \[ \int (1-x)^{11/2} (1+x)^{5/2} \, dx=\text {Timed out} \]
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Time = 0.31 (sec) , antiderivative size = 78, normalized size of antiderivative = 0.60 \[ \int (1-x)^{11/2} (1+x)^{5/2} \, dx=\frac {1}{9} \, {\left (-x^{2} + 1\right )}^{\frac {7}{2}} x^{2} - \frac {3}{8} \, {\left (-x^{2} + 1\right )}^{\frac {7}{2}} x + \frac {29}{63} \, {\left (-x^{2} + 1\right )}^{\frac {7}{2}} + \frac {11}{48} \, {\left (-x^{2} + 1\right )}^{\frac {5}{2}} x + \frac {55}{192} \, {\left (-x^{2} + 1\right )}^{\frac {3}{2}} x + \frac {55}{128} \, \sqrt {-x^{2} + 1} x + \frac {55}{128} \, \arcsin \left (x\right ) \]
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Leaf count of result is larger than twice the leaf count of optimal. 323 vs. \(2 (92) = 184\).
Time = 0.38 (sec) , antiderivative size = 323, normalized size of antiderivative = 2.48 \[ \int (1-x)^{11/2} (1+x)^{5/2} \, dx=-\frac {1}{40320} \, {\left ({\left (2 \, {\left ({\left (4 \, {\left (5 \, {\left (2 \, {\left (7 \, {\left (8 \, x - 65\right )} {\left (x + 1\right )} + 2073\right )} {\left (x + 1\right )} - 9833\right )} {\left (x + 1\right )} + 75293\right )} {\left (x + 1\right )} - 310203\right )} {\left (x + 1\right )} + 216993\right )} {\left (x + 1\right )} - 205275\right )} {\left (x + 1\right )} + 69615\right )} \sqrt {x + 1} \sqrt {-x + 1} + \frac {1}{6720} \, {\left ({\left (2 \, {\left ({\left (4 \, {\left (5 \, {\left (6 \, {\left (7 \, x - 50\right )} {\left (x + 1\right )} + 1219\right )} {\left (x + 1\right )} - 12463\right )} {\left (x + 1\right )} + 64233\right )} {\left (x + 1\right )} - 53963\right )} {\left (x + 1\right )} + 59465\right )} {\left (x + 1\right )} - 23205\right )} \sqrt {x + 1} \sqrt {-x + 1} + \frac {1}{840} \, {\left ({\left (2 \, {\left ({\left (4 \, {\left (5 \, {\left (6 \, x - 37\right )} {\left (x + 1\right )} + 661\right )} {\left (x + 1\right )} - 4551\right )} {\left (x + 1\right )} + 4781\right )} {\left (x + 1\right )} - 6335\right )} {\left (x + 1\right )} + 2835\right )} \sqrt {x + 1} \sqrt {-x + 1} - \frac {1}{40} \, {\left ({\left (2 \, {\left ({\left (4 \, {\left (5 \, x - 26\right )} {\left (x + 1\right )} + 321\right )} {\left (x + 1\right )} - 451\right )} {\left (x + 1\right )} + 745\right )} {\left (x + 1\right )} - 405\right )} \sqrt {x + 1} \sqrt {-x + 1} + \frac {1}{4} \, {\left ({\left (2 \, {\left (3 \, x - 10\right )} {\left (x + 1\right )} + 43\right )} {\left (x + 1\right )} - 39\right )} \sqrt {x + 1} \sqrt {-x + 1} - \frac {1}{3} \, {\left ({\left (2 \, x - 5\right )} {\left (x + 1\right )} + 9\right )} \sqrt {x + 1} \sqrt {-x + 1} - \sqrt {x + 1} {\left (x - 2\right )} \sqrt {-x + 1} + \sqrt {x + 1} \sqrt {-x + 1} + \frac {55}{64} \, \arcsin \left (\frac {1}{2} \, \sqrt {2} \sqrt {x + 1}\right ) \]
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Timed out. \[ \int (1-x)^{11/2} (1+x)^{5/2} \, dx=\int {\left (1-x\right )}^{11/2}\,{\left (x+1\right )}^{5/2} \,d x \]
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