Integrand size = 20, antiderivative size = 118 \[ \int \frac {x^4 (1+x)^{3/2}}{\sqrt {1-x}} \, dx=-\frac {11}{16} \sqrt {1-x} \sqrt {1+x}-\frac {11}{48} \sqrt {1-x} (1+x)^{3/2}-\frac {1}{15} \sqrt {1-x} x^2 (1+x)^{5/2}-\frac {1}{6} \sqrt {1-x} x^3 (1+x)^{5/2}-\frac {1}{120} \sqrt {1-x} (1+x)^{5/2} (18+19 x)+\frac {11 \arcsin (x)}{16} \]
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Time = 0.02 (sec) , antiderivative size = 118, normalized size of antiderivative = 1.00, number of steps used = 7, number of rules used = 6, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.300, Rules used = {102, 158, 152, 52, 41, 222} \[ \int \frac {x^4 (1+x)^{3/2}}{\sqrt {1-x}} \, dx=\frac {11 \arcsin (x)}{16}-\frac {1}{6} \sqrt {1-x} (x+1)^{5/2} x^3-\frac {1}{15} \sqrt {1-x} (x+1)^{5/2} x^2-\frac {11}{48} \sqrt {1-x} (x+1)^{3/2}-\frac {1}{120} \sqrt {1-x} (x+1)^{5/2} (19 x+18)-\frac {11}{16} \sqrt {1-x} \sqrt {x+1} \]
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Rule 41
Rule 52
Rule 102
Rule 152
Rule 158
Rule 222
Rubi steps \begin{align*} \text {integral}& = -\frac {1}{6} \sqrt {1-x} x^3 (1+x)^{5/2}-\frac {1}{6} \int \frac {(-3-2 x) x^2 (1+x)^{3/2}}{\sqrt {1-x}} \, dx \\ & = -\frac {1}{15} \sqrt {1-x} x^2 (1+x)^{5/2}-\frac {1}{6} \sqrt {1-x} x^3 (1+x)^{5/2}+\frac {1}{30} \int \frac {x (1+x)^{3/2} (4+19 x)}{\sqrt {1-x}} \, dx \\ & = -\frac {1}{15} \sqrt {1-x} x^2 (1+x)^{5/2}-\frac {1}{6} \sqrt {1-x} x^3 (1+x)^{5/2}-\frac {1}{120} \sqrt {1-x} (1+x)^{5/2} (18+19 x)+\frac {11}{24} \int \frac {(1+x)^{3/2}}{\sqrt {1-x}} \, dx \\ & = -\frac {11}{48} \sqrt {1-x} (1+x)^{3/2}-\frac {1}{15} \sqrt {1-x} x^2 (1+x)^{5/2}-\frac {1}{6} \sqrt {1-x} x^3 (1+x)^{5/2}-\frac {1}{120} \sqrt {1-x} (1+x)^{5/2} (18+19 x)+\frac {11}{16} \int \frac {\sqrt {1+x}}{\sqrt {1-x}} \, dx \\ & = -\frac {11}{16} \sqrt {1-x} \sqrt {1+x}-\frac {11}{48} \sqrt {1-x} (1+x)^{3/2}-\frac {1}{15} \sqrt {1-x} x^2 (1+x)^{5/2}-\frac {1}{6} \sqrt {1-x} x^3 (1+x)^{5/2}-\frac {1}{120} \sqrt {1-x} (1+x)^{5/2} (18+19 x)+\frac {11}{16} \int \frac {1}{\sqrt {1-x} \sqrt {1+x}} \, dx \\ & = -\frac {11}{16} \sqrt {1-x} \sqrt {1+x}-\frac {11}{48} \sqrt {1-x} (1+x)^{3/2}-\frac {1}{15} \sqrt {1-x} x^2 (1+x)^{5/2}-\frac {1}{6} \sqrt {1-x} x^3 (1+x)^{5/2}-\frac {1}{120} \sqrt {1-x} (1+x)^{5/2} (18+19 x)+\frac {11}{16} \int \frac {1}{\sqrt {1-x^2}} \, dx \\ & = -\frac {11}{16} \sqrt {1-x} \sqrt {1+x}-\frac {11}{48} \sqrt {1-x} (1+x)^{3/2}-\frac {1}{15} \sqrt {1-x} x^2 (1+x)^{5/2}-\frac {1}{6} \sqrt {1-x} x^3 (1+x)^{5/2}-\frac {1}{120} \sqrt {1-x} (1+x)^{5/2} (18+19 x)+\frac {11}{16} \sin ^{-1}(x) \\ \end{align*}
Time = 0.19 (sec) , antiderivative size = 73, normalized size of antiderivative = 0.62 \[ \int \frac {x^4 (1+x)^{3/2}}{\sqrt {1-x}} \, dx=-\frac {\sqrt {1-x} \left (256+421 x+293 x^2+238 x^3+206 x^4+136 x^5+40 x^6\right )}{240 \sqrt {1+x}}-\frac {11}{8} \arctan \left (\frac {\sqrt {1-x}}{\sqrt {1+x}}\right ) \]
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Time = 0.58 (sec) , antiderivative size = 92, normalized size of antiderivative = 0.78
method | result | size |
risch | \(\frac {\left (40 x^{5}+96 x^{4}+110 x^{3}+128 x^{2}+165 x +256\right ) \left (-1+x \right ) \sqrt {1+x}\, \sqrt {\left (1+x \right ) \left (1-x \right )}}{240 \sqrt {-\left (-1+x \right ) \left (1+x \right )}\, \sqrt {1-x}}+\frac {11 \arcsin \left (x \right ) \sqrt {\left (1+x \right ) \left (1-x \right )}}{16 \sqrt {1-x}\, \sqrt {1+x}}\) | \(92\) |
default | \(\frac {\sqrt {1+x}\, \sqrt {1-x}\, \left (-40 x^{5} \sqrt {-x^{2}+1}-96 x^{4} \sqrt {-x^{2}+1}-110 x^{3} \sqrt {-x^{2}+1}-128 x^{2} \sqrt {-x^{2}+1}-165 x \sqrt {-x^{2}+1}+165 \arcsin \left (x \right )-256 \sqrt {-x^{2}+1}\right )}{240 \sqrt {-x^{2}+1}}\) | \(108\) |
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Time = 0.23 (sec) , antiderivative size = 62, normalized size of antiderivative = 0.53 \[ \int \frac {x^4 (1+x)^{3/2}}{\sqrt {1-x}} \, dx=-\frac {1}{240} \, {\left (40 \, x^{5} + 96 \, x^{4} + 110 \, x^{3} + 128 \, x^{2} + 165 \, x + 256\right )} \sqrt {x + 1} \sqrt {-x + 1} - \frac {11}{8} \, \arctan \left (\frac {\sqrt {x + 1} \sqrt {-x + 1} - 1}{x}\right ) \]
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\[ \int \frac {x^4 (1+x)^{3/2}}{\sqrt {1-x}} \, dx=\int \frac {x^{4} \left (x + 1\right )^{\frac {3}{2}}}{\sqrt {1 - x}}\, dx \]
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Time = 0.28 (sec) , antiderivative size = 84, normalized size of antiderivative = 0.71 \[ \int \frac {x^4 (1+x)^{3/2}}{\sqrt {1-x}} \, dx=-\frac {1}{6} \, \sqrt {-x^{2} + 1} x^{5} - \frac {2}{5} \, \sqrt {-x^{2} + 1} x^{4} - \frac {11}{24} \, \sqrt {-x^{2} + 1} x^{3} - \frac {8}{15} \, \sqrt {-x^{2} + 1} x^{2} - \frac {11}{16} \, \sqrt {-x^{2} + 1} x - \frac {16}{15} \, \sqrt {-x^{2} + 1} + \frac {11}{16} \, \arcsin \left (x\right ) \]
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Time = 0.31 (sec) , antiderivative size = 59, normalized size of antiderivative = 0.50 \[ \int \frac {x^4 (1+x)^{3/2}}{\sqrt {1-x}} \, dx=-\frac {1}{240} \, {\left ({\left (2 \, {\left ({\left (4 \, {\left (5 \, x - 8\right )} {\left (x + 1\right )} + 63\right )} {\left (x + 1\right )} - 13\right )} {\left (x + 1\right )} + 55\right )} {\left (x + 1\right )} + 165\right )} \sqrt {x + 1} \sqrt {-x + 1} + \frac {11}{8} \, \arcsin \left (\frac {1}{2} \, \sqrt {2} \sqrt {x + 1}\right ) \]
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Timed out. \[ \int \frac {x^4 (1+x)^{3/2}}{\sqrt {1-x}} \, dx=\int \frac {x^4\,{\left (x+1\right )}^{3/2}}{\sqrt {1-x}} \,d x \]
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