Integrand size = 30, antiderivative size = 17 \[ \int e^{158-1000080 x+1562750010 x^2} \left (2000160+e^{-158+1000080 x-1562750010 x^2}-6251000040 x\right ) \, dx=-2 e^{-2+10 (4-12501 x)^2}+x \]
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Time = 0.13 (sec) , antiderivative size = 16, normalized size of antiderivative = 0.94, number of steps used = 7, number of rules used = 4, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.133, Rules used = {6874, 2266, 2235, 2272} \[ \int e^{158-1000080 x+1562750010 x^2} \left (2000160+e^{-158+1000080 x-1562750010 x^2}-6251000040 x\right ) \, dx=x-2 e^{1562750010 x^2-1000080 x+158} \]
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Rule 2235
Rule 2266
Rule 2272
Rule 6874
Rubi steps \begin{align*} \text {integral}& = \int \left (1+2000160 e^{158-1000080 x+1562750010 x^2}-6251000040 e^{158-1000080 x+1562750010 x^2} x\right ) \, dx \\ & = x+2000160 \int e^{158-1000080 x+1562750010 x^2} \, dx-6251000040 \int e^{158-1000080 x+1562750010 x^2} x \, dx \\ & = -2 e^{158-1000080 x+1562750010 x^2}+x-2000160 \int e^{158-1000080 x+1562750010 x^2} \, dx+\frac {2000160 \int e^{\frac {(-1000080+3125500020 x)^2}{6251000040}} \, dx}{e^2} \\ & = -2 e^{158-1000080 x+1562750010 x^2}+x-\frac {8 \sqrt {10 \pi } \text {erfi}\left (\sqrt {10} (4-12501 x)\right )}{e^2}-\frac {2000160 \int e^{\frac {(-1000080+3125500020 x)^2}{6251000040}} \, dx}{e^2} \\ & = -2 e^{158-1000080 x+1562750010 x^2}+x \\ \end{align*}
Time = 0.08 (sec) , antiderivative size = 18, normalized size of antiderivative = 1.06 \[ \int e^{158-1000080 x+1562750010 x^2} \left (2000160+e^{-158+1000080 x-1562750010 x^2}-6251000040 x\right ) \, dx=-2 e^{2 \left (79-500040 x+781375005 x^2\right )}+x \]
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Time = 0.03 (sec) , antiderivative size = 16, normalized size of antiderivative = 0.94
method | result | size |
risch | \(x -2 \,{\mathrm e}^{1562750010 x^{2}-1000080 x +158}\) | \(16\) |
norman | \(\left (-2+x \,{\mathrm e}^{-1562750010 x^{2}+1000080 x -158}\right ) {\mathrm e}^{1562750010 x^{2}-1000080 x +158}\) | \(32\) |
parallelrisch | \(\left (-2+x \,{\mathrm e}^{-1562750010 x^{2}+1000080 x -158}\right ) {\mathrm e}^{1562750010 x^{2}-1000080 x +158}\) | \(32\) |
default | \(x -8 i {\mathrm e}^{158} \sqrt {\pi }\, {\mathrm e}^{-160} \sqrt {10}\, \operatorname {erf}\left (12501 i \sqrt {10}\, x -4 i \sqrt {10}\right )-6251000040 \,{\mathrm e}^{158} \left (\frac {{\mathrm e}^{1562750010 x^{2}-1000080 x}}{3125500020}-\frac {i \sqrt {\pi }\, {\mathrm e}^{-160} \sqrt {10}\, \operatorname {erf}\left (12501 i \sqrt {10}\, x -4 i \sqrt {10}\right )}{781375005}\right )\) | \(78\) |
parts | \(x -8 i {\mathrm e}^{158} \sqrt {\pi }\, {\mathrm e}^{-160} \sqrt {10}\, \operatorname {erf}\left (12501 i \sqrt {10}\, x -4 i \sqrt {10}\right )-6251000040 \,{\mathrm e}^{158} \left (\frac {{\mathrm e}^{1562750010 x^{2}-1000080 x}}{3125500020}-\frac {i \sqrt {\pi }\, {\mathrm e}^{-160} \sqrt {10}\, \operatorname {erf}\left (12501 i \sqrt {10}\, x -4 i \sqrt {10}\right )}{781375005}\right )\) | \(78\) |
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Time = 0.26 (sec) , antiderivative size = 15, normalized size of antiderivative = 0.88 \[ \int e^{158-1000080 x+1562750010 x^2} \left (2000160+e^{-158+1000080 x-1562750010 x^2}-6251000040 x\right ) \, dx=x - 2 \, e^{\left (1562750010 \, x^{2} - 1000080 \, x + 158\right )} \]
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Time = 0.05 (sec) , antiderivative size = 14, normalized size of antiderivative = 0.82 \[ \int e^{158-1000080 x+1562750010 x^2} \left (2000160+e^{-158+1000080 x-1562750010 x^2}-6251000040 x\right ) \, dx=x - 2 e^{1562750010 x^{2} - 1000080 x + 158} \]
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Result contains higher order function than in optimal. Order 4 vs. order 3.
Time = 0.30 (sec) , antiderivative size = 86, normalized size of antiderivative = 5.06 \[ \int e^{158-1000080 x+1562750010 x^2} \left (2000160+e^{-158+1000080 x-1562750010 x^2}-6251000040 x\right ) \, dx=-8 i \, \sqrt {10} \sqrt {\pi } \operatorname {erf}\left (12501 i \, \sqrt {10} x - 4 i \, \sqrt {10}\right ) e^{\left (-2\right )} - \frac {1}{5} \, \sqrt {10} {\left (\frac {40 \, \sqrt {\pi } {\left (12501 \, x - 4\right )} {\left (\operatorname {erf}\left (\sqrt {10} \sqrt {-{\left (12501 \, x - 4\right )}^{2}}\right ) - 1\right )}}{\sqrt {-{\left (12501 \, x - 4\right )}^{2}}} + \sqrt {10} e^{\left (10 \, {\left (12501 \, x - 4\right )}^{2}\right )}\right )} e^{\left (-2\right )} + x \]
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Time = 0.26 (sec) , antiderivative size = 15, normalized size of antiderivative = 0.88 \[ \int e^{158-1000080 x+1562750010 x^2} \left (2000160+e^{-158+1000080 x-1562750010 x^2}-6251000040 x\right ) \, dx=x - 2 \, e^{\left (1562750010 \, x^{2} - 1000080 \, x + 158\right )} \]
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Time = 0.13 (sec) , antiderivative size = 16, normalized size of antiderivative = 0.94 \[ \int e^{158-1000080 x+1562750010 x^2} \left (2000160+e^{-158+1000080 x-1562750010 x^2}-6251000040 x\right ) \, dx=x-2\,{\mathrm {e}}^{-1000080\,x}\,{\mathrm {e}}^{158}\,{\mathrm {e}}^{1562750010\,x^2} \]
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