Integrand size = 34, antiderivative size = 36 \[ \int \frac {3 x^2+2 x^3}{\sqrt {-3+2 x+x^2} \left (-3+x+2 x^2\right )} \, dx=\sqrt {-3+2 x+x^2}+\frac {\sqrt {-3+2 x+x^2}}{2 (1-x)} \]
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Time = 0.09 (sec) , antiderivative size = 36, normalized size of antiderivative = 1.00, number of steps used = 4, number of rules used = 4, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.118, Rules used = {1607, 1600, 1652, 664} \[ \int \frac {3 x^2+2 x^3}{\sqrt {-3+2 x+x^2} \left (-3+x+2 x^2\right )} \, dx=\frac {\sqrt {x^2+2 x-3}}{2 (1-x)}+\sqrt {x^2+2 x-3} \]
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Rule 664
Rule 1600
Rule 1607
Rule 1652
Rubi steps \begin{align*} \text {integral}& = \int \frac {x^2 (3+2 x)}{\sqrt {-3+2 x+x^2} \left (-3+x+2 x^2\right )} \, dx \\ & = \int \frac {x^2}{(-1+x) \sqrt {-3+2 x+x^2}} \, dx \\ & = \sqrt {-3+2 x+x^2}+\int \frac {1}{(-1+x) \sqrt {-3+2 x+x^2}} \, dx \\ & = \sqrt {-3+2 x+x^2}+\frac {\sqrt {-3+2 x+x^2}}{2 (1-x)} \\ \end{align*}
Time = 0.13 (sec) , antiderivative size = 26, normalized size of antiderivative = 0.72 \[ \int \frac {3 x^2+2 x^3}{\sqrt {-3+2 x+x^2} \left (-3+x+2 x^2\right )} \, dx=\frac {(-3+2 x) \sqrt {-3+2 x+x^2}}{2 (-1+x)} \]
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Time = 0.37 (sec) , antiderivative size = 21, normalized size of antiderivative = 0.58
method | result | size |
gosper | \(\frac {\left (2 x -3\right ) \left (3+x \right )}{2 \sqrt {x^{2}+2 x -3}}\) | \(21\) |
trager | \(\frac {\left (2 x -3\right ) \sqrt {x^{2}+2 x -3}}{-2+2 x}\) | \(23\) |
risch | \(\frac {2 x^{2}+3 x -9}{2 \sqrt {x^{2}+2 x -3}}\) | \(23\) |
default | \(\sqrt {x^{2}+2 x -3}-\frac {\sqrt {\left (-1+x \right )^{2}-4+4 x}}{2 \left (-1+x \right )}\) | \(31\) |
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none
Time = 0.24 (sec) , antiderivative size = 22, normalized size of antiderivative = 0.61 \[ \int \frac {3 x^2+2 x^3}{\sqrt {-3+2 x+x^2} \left (-3+x+2 x^2\right )} \, dx=\frac {\sqrt {x^{2} + 2 \, x - 3} {\left (2 \, x - 3\right )}}{2 \, {\left (x - 1\right )}} \]
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\[ \int \frac {3 x^2+2 x^3}{\sqrt {-3+2 x+x^2} \left (-3+x+2 x^2\right )} \, dx=\int \frac {x^{2}}{\sqrt {\left (x - 1\right ) \left (x + 3\right )} \left (x - 1\right )}\, dx \]
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none
Time = 0.28 (sec) , antiderivative size = 28, normalized size of antiderivative = 0.78 \[ \int \frac {3 x^2+2 x^3}{\sqrt {-3+2 x+x^2} \left (-3+x+2 x^2\right )} \, dx=\sqrt {x^{2} + 2 \, x - 3} - \frac {\sqrt {x^{2} + 2 \, x - 3}}{2 \, {\left (x - 1\right )}} \]
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none
Time = 0.29 (sec) , antiderivative size = 30, normalized size of antiderivative = 0.83 \[ \int \frac {3 x^2+2 x^3}{\sqrt {-3+2 x+x^2} \left (-3+x+2 x^2\right )} \, dx=\sqrt {x^{2} + 2 \, x - 3} + \frac {2}{x - \sqrt {x^{2} + 2 \, x - 3} - 1} \]
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Time = 0.31 (sec) , antiderivative size = 19, normalized size of antiderivative = 0.53 \[ \int \frac {3 x^2+2 x^3}{\sqrt {-3+2 x+x^2} \left (-3+x+2 x^2\right )} \, dx=\frac {\left (x-\frac {3}{2}\right )\,\sqrt {x^2+2\,x-3}}{x-1} \]
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