Integrand size = 13, antiderivative size = 57 \[ \int \left (3 x-4 x^2\right )^{3/2} \, dx=-\frac {27 (3-8 x) \sqrt {3 x-4 x^2}}{1024}-\frac {1}{32} (3-8 x) \left (3 x-4 x^2\right )^{3/2}-\frac {243 \arcsin \left (1-\frac {8 x}{3}\right )}{4096} \]
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Time = 0.01 (sec) , antiderivative size = 57, normalized size of antiderivative = 1.00, number of steps used = 4, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.231, Rules used = {626, 633, 222} \[ \int \left (3 x-4 x^2\right )^{3/2} \, dx=-\frac {243 \arcsin \left (1-\frac {8 x}{3}\right )}{4096}-\frac {1}{32} (3-8 x) \left (3 x-4 x^2\right )^{3/2}-\frac {27 (3-8 x) \sqrt {3 x-4 x^2}}{1024} \]
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Rule 222
Rule 626
Rule 633
Rubi steps \begin{align*} \text {integral}& = -\frac {1}{32} (3-8 x) \left (3 x-4 x^2\right )^{3/2}+\frac {27}{64} \int \sqrt {3 x-4 x^2} \, dx \\ & = -\frac {27 (3-8 x) \sqrt {3 x-4 x^2}}{1024}-\frac {1}{32} (3-8 x) \left (3 x-4 x^2\right )^{3/2}+\frac {243 \int \frac {1}{\sqrt {3 x-4 x^2}} \, dx}{2048} \\ & = -\frac {27 (3-8 x) \sqrt {3 x-4 x^2}}{1024}-\frac {1}{32} (3-8 x) \left (3 x-4 x^2\right )^{3/2}-\frac {81 \text {Subst}\left (\int \frac {1}{\sqrt {1-\frac {x^2}{9}}} \, dx,x,3-8 x\right )}{4096} \\ & = -\frac {27 (3-8 x) \sqrt {3 x-4 x^2}}{1024}-\frac {1}{32} (3-8 x) \left (3 x-4 x^2\right )^{3/2}-\frac {243 \sin ^{-1}\left (1-\frac {8 x}{3}\right )}{4096} \\ \end{align*}
Time = 0.11 (sec) , antiderivative size = 82, normalized size of antiderivative = 1.44 \[ \int \left (3 x-4 x^2\right )^{3/2} \, dx=\frac {\sqrt {-x (-3+4 x)} \left (-2 \sqrt {x} \sqrt {-3+4 x} \left (81+72 x-1152 x^2+1024 x^3\right )+243 \log \left (-2 \sqrt {x}+\sqrt {-3+4 x}\right )\right )}{2048 \sqrt {x} \sqrt {-3+4 x}} \]
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Time = 2.43 (sec) , antiderivative size = 43, normalized size of antiderivative = 0.75
method | result | size |
risch | \(\frac {\left (1024 x^{3}-1152 x^{2}+72 x +81\right ) x \left (4 x -3\right )}{1024 \sqrt {-x \left (4 x -3\right )}}+\frac {243 \arcsin \left (-1+\frac {8 x}{3}\right )}{4096}\) | \(43\) |
default | \(-\frac {\left (3-8 x \right ) \left (-4 x^{2}+3 x \right )^{\frac {3}{2}}}{32}+\frac {243 \arcsin \left (-1+\frac {8 x}{3}\right )}{4096}-\frac {27 \left (3-8 x \right ) \sqrt {-4 x^{2}+3 x}}{1024}\) | \(46\) |
pseudoelliptic | \(-\frac {243 \arctan \left (\frac {\sqrt {-4 x^{2}+3 x}}{2 x}\right )}{2048}+\frac {\left (-1024 x^{3}+1152 x^{2}-72 x -81\right ) \sqrt {-4 x^{2}+3 x}}{1024}\) | \(49\) |
meijerg | \(-\frac {243 i \left (-\frac {i \sqrt {\pi }\, \sqrt {x}\, \sqrt {3}\, \left (\frac {5120}{27} x^{3}-\frac {640}{3} x^{2}+\frac {40}{3} x +15\right ) \sqrt {-\frac {4 x}{3}+1}}{360}+\frac {i \sqrt {\pi }\, \arcsin \left (\frac {2 \sqrt {3}\, \sqrt {x}}{3}\right )}{16}\right )}{128 \sqrt {\pi }}\) | \(57\) |
trager | \(\left (-x^{3}+\frac {9}{8} x^{2}-\frac {9}{128} x -\frac {81}{1024}\right ) \sqrt {-4 x^{2}+3 x}+\frac {243 \operatorname {RootOf}\left (\textit {\_Z}^{2}+1\right ) \ln \left (-8 \operatorname {RootOf}\left (\textit {\_Z}^{2}+1\right ) x +4 \sqrt {-4 x^{2}+3 x}+3 \operatorname {RootOf}\left (\textit {\_Z}^{2}+1\right )\right )}{4096}\) | \(69\) |
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Time = 0.41 (sec) , antiderivative size = 48, normalized size of antiderivative = 0.84 \[ \int \left (3 x-4 x^2\right )^{3/2} \, dx=-\frac {1}{1024} \, {\left (1024 \, x^{3} - 1152 \, x^{2} + 72 \, x + 81\right )} \sqrt {-4 \, x^{2} + 3 \, x} - \frac {243}{2048} \, \arctan \left (\frac {\sqrt {-4 \, x^{2} + 3 \, x}}{2 \, x}\right ) \]
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Time = 0.40 (sec) , antiderivative size = 68, normalized size of antiderivative = 1.19 \[ \int \left (3 x-4 x^2\right )^{3/2} \, dx=3 \sqrt {- 4 x^{2} + 3 x} \left (\frac {x^{2}}{3} - \frac {x}{16} - \frac {9}{128}\right ) - 4 \sqrt {- 4 x^{2} + 3 x} \left (\frac {x^{3}}{4} - \frac {x^{2}}{32} - \frac {15 x}{512} - \frac {135}{4096}\right ) + \frac {243 \operatorname {asin}{\left (\frac {8 x}{3} - 1 \right )}}{4096} \]
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Time = 0.28 (sec) , antiderivative size = 63, normalized size of antiderivative = 1.11 \[ \int \left (3 x-4 x^2\right )^{3/2} \, dx=\frac {1}{4} \, {\left (-4 \, x^{2} + 3 \, x\right )}^{\frac {3}{2}} x - \frac {3}{32} \, {\left (-4 \, x^{2} + 3 \, x\right )}^{\frac {3}{2}} + \frac {27}{128} \, \sqrt {-4 \, x^{2} + 3 \, x} x - \frac {81}{1024} \, \sqrt {-4 \, x^{2} + 3 \, x} - \frac {243}{4096} \, \arcsin \left (-\frac {8}{3} \, x + 1\right ) \]
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Time = 0.28 (sec) , antiderivative size = 37, normalized size of antiderivative = 0.65 \[ \int \left (3 x-4 x^2\right )^{3/2} \, dx=-\frac {1}{1024} \, {\left (8 \, {\left (16 \, {\left (8 \, x - 9\right )} x + 9\right )} x + 81\right )} \sqrt {-4 \, x^{2} + 3 \, x} + \frac {243}{4096} \, \arcsin \left (\frac {8}{3} \, x - 1\right ) \]
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Time = 0.09 (sec) , antiderivative size = 45, normalized size of antiderivative = 0.79 \[ \int \left (3 x-4 x^2\right )^{3/2} \, dx=\frac {243\,\mathrm {asin}\left (\frac {8\,x}{3}-1\right )}{4096}+\frac {\left (4\,x-\frac {3}{2}\right )\,{\left (3\,x-4\,x^2\right )}^{3/2}}{16}+\frac {27\,\left (\frac {x}{2}-\frac {3}{16}\right )\,\sqrt {3\,x-4\,x^2}}{64} \]
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