Integrand size = 22, antiderivative size = 21 \[ \int \frac {110 x-25 x^2}{121-110 x+25 x^2} \, dx=\frac {5}{3}-e^3-\frac {x^2}{-\frac {11}{5}+x} \]
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Time = 0.01 (sec) , antiderivative size = 15, normalized size of antiderivative = 0.71, number of steps used = 3, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.091, Rules used = {27, 697} \[ \int \frac {110 x-25 x^2}{121-110 x+25 x^2} \, dx=\frac {121}{5 (11-5 x)}-x \]
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Rule 27
Rule 697
Rubi steps \begin{align*} \text {integral}& = \int \frac {110 x-25 x^2}{(-11+5 x)^2} \, dx \\ & = \int \left (-1+\frac {121}{(-11+5 x)^2}\right ) \, dx \\ & = \frac {121}{5 (11-5 x)}-x \\ \end{align*}
Time = 0.01 (sec) , antiderivative size = 18, normalized size of antiderivative = 0.86 \[ \int \frac {110 x-25 x^2}{121-110 x+25 x^2} \, dx=\frac {1}{5} \left (11+\frac {121}{11-5 x}-5 x\right ) \]
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Time = 0.57 (sec) , antiderivative size = 12, normalized size of antiderivative = 0.57
method | result | size |
risch | \(-x -\frac {121}{25 \left (x -\frac {11}{5}\right )}\) | \(12\) |
gosper | \(-\frac {5 x^{2}}{5 x -11}\) | \(13\) |
parallelrisch | \(-\frac {5 x^{2}}{5 x -11}\) | \(13\) |
default | \(-x -\frac {121}{5 \left (5 x -11\right )}\) | \(14\) |
meijerg | \(-\frac {x \left (-\frac {15 x}{11}+6\right )}{3 \left (1-\frac {5 x}{11}\right )}+\frac {2 x}{1-\frac {5 x}{11}}\) | \(27\) |
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Time = 0.25 (sec) , antiderivative size = 19, normalized size of antiderivative = 0.90 \[ \int \frac {110 x-25 x^2}{121-110 x+25 x^2} \, dx=-\frac {25 \, x^{2} - 55 \, x + 121}{5 \, {\left (5 \, x - 11\right )}} \]
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Time = 0.04 (sec) , antiderivative size = 8, normalized size of antiderivative = 0.38 \[ \int \frac {110 x-25 x^2}{121-110 x+25 x^2} \, dx=- x - \frac {121}{25 x - 55} \]
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Time = 0.17 (sec) , antiderivative size = 13, normalized size of antiderivative = 0.62 \[ \int \frac {110 x-25 x^2}{121-110 x+25 x^2} \, dx=-x - \frac {121}{5 \, {\left (5 \, x - 11\right )}} \]
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Time = 0.27 (sec) , antiderivative size = 13, normalized size of antiderivative = 0.62 \[ \int \frac {110 x-25 x^2}{121-110 x+25 x^2} \, dx=-x - \frac {121}{5 \, {\left (5 \, x - 11\right )}} \]
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Time = 0.05 (sec) , antiderivative size = 13, normalized size of antiderivative = 0.62 \[ \int \frac {110 x-25 x^2}{121-110 x+25 x^2} \, dx=-x-\frac {121}{25\,\left (x-\frac {11}{5}\right )} \]
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