Integrand size = 28, antiderivative size = 21 \[ \int \frac {e^{2 x} \left (-275+3050 x+700 x^2\right )}{25+140 x+196 x^2} \, dx=25-\frac {5 e^{2 x} (4+x)}{-1-\frac {14 x}{5}} \]
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Time = 0.10 (sec) , antiderivative size = 26, normalized size of antiderivative = 1.24, number of steps used = 7, number of rules used = 5, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.179, Rules used = {27, 2230, 2225, 2208, 2209} \[ \int \frac {e^{2 x} \left (-275+3050 x+700 x^2\right )}{25+140 x+196 x^2} \, dx=\frac {25 e^{2 x}}{14}+\frac {1275 e^{2 x}}{14 (14 x+5)} \]
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Rule 27
Rule 2208
Rule 2209
Rule 2225
Rule 2230
Rubi steps \begin{align*} \text {integral}& = \int \frac {e^{2 x} \left (-275+3050 x+700 x^2\right )}{(5+14 x)^2} \, dx \\ & = \int \left (\frac {25 e^{2 x}}{7}-\frac {1275 e^{2 x}}{(5+14 x)^2}+\frac {1275 e^{2 x}}{7 (5+14 x)}\right ) \, dx \\ & = \frac {25}{7} \int e^{2 x} \, dx+\frac {1275}{7} \int \frac {e^{2 x}}{5+14 x} \, dx-1275 \int \frac {e^{2 x}}{(5+14 x)^2} \, dx \\ & = \frac {25 e^{2 x}}{14}+\frac {1275 e^{2 x}}{14 (5+14 x)}+\frac {1275 \operatorname {ExpIntegralEi}\left (\frac {1}{7} (5+14 x)\right )}{98 e^{5/7}}-\frac {1275}{7} \int \frac {e^{2 x}}{5+14 x} \, dx \\ & = \frac {25 e^{2 x}}{14}+\frac {1275 e^{2 x}}{14 (5+14 x)} \\ \end{align*}
Time = 0.15 (sec) , antiderivative size = 17, normalized size of antiderivative = 0.81 \[ \int \frac {e^{2 x} \left (-275+3050 x+700 x^2\right )}{25+140 x+196 x^2} \, dx=\frac {25 e^{2 x} (4+x)}{5+14 x} \]
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Time = 0.42 (sec) , antiderivative size = 17, normalized size of antiderivative = 0.81
method | result | size |
gosper | \(\frac {25 \left (4+x \right ) {\mathrm e}^{2 x}}{14 x +5}\) | \(17\) |
risch | \(\frac {25 \left (4+x \right ) {\mathrm e}^{2 x}}{14 x +5}\) | \(17\) |
default | \(\frac {1275 \,{\mathrm e}^{2 x}}{196 \left (x +\frac {5}{14}\right )}+\frac {25 \,{\mathrm e}^{2 x}}{14}\) | \(19\) |
norman | \(\frac {100 \,{\mathrm e}^{2 x}+25 x \,{\mathrm e}^{2 x}}{14 x +5}\) | \(23\) |
parallelrisch | \(\frac {350 x \,{\mathrm e}^{2 x}+1400 \,{\mathrm e}^{2 x}}{196 x +70}\) | \(24\) |
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Time = 0.25 (sec) , antiderivative size = 16, normalized size of antiderivative = 0.76 \[ \int \frac {e^{2 x} \left (-275+3050 x+700 x^2\right )}{25+140 x+196 x^2} \, dx=\frac {25 \, {\left (x + 4\right )} e^{\left (2 \, x\right )}}{14 \, x + 5} \]
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Time = 0.06 (sec) , antiderivative size = 14, normalized size of antiderivative = 0.67 \[ \int \frac {e^{2 x} \left (-275+3050 x+700 x^2\right )}{25+140 x+196 x^2} \, dx=\frac {\left (25 x + 100\right ) e^{2 x}}{14 x + 5} \]
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\[ \int \frac {e^{2 x} \left (-275+3050 x+700 x^2\right )}{25+140 x+196 x^2} \, dx=\int { \frac {25 \, {\left (28 \, x^{2} + 122 \, x - 11\right )} e^{\left (2 \, x\right )}}{196 \, x^{2} + 140 \, x + 25} \,d x } \]
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Time = 0.26 (sec) , antiderivative size = 22, normalized size of antiderivative = 1.05 \[ \int \frac {e^{2 x} \left (-275+3050 x+700 x^2\right )}{25+140 x+196 x^2} \, dx=\frac {25 \, {\left (x e^{\left (2 \, x\right )} + 4 \, e^{\left (2 \, x\right )}\right )}}{14 \, x + 5} \]
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Time = 0.09 (sec) , antiderivative size = 16, normalized size of antiderivative = 0.76 \[ \int \frac {e^{2 x} \left (-275+3050 x+700 x^2\right )}{25+140 x+196 x^2} \, dx=\frac {25\,{\mathrm {e}}^{2\,x}\,\left (x+4\right )}{14\,x+5} \]
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