Integrand size = 84, antiderivative size = 22 \[ \int \frac {7500 x+9000 x^2+e^2 (-25000-30000 x) \log ^3(x)-7500 e^2 x \log ^4(x)+25000 e^4 \log ^7(x)}{-216 x^4+540 e^2 x^3 \log ^4(x)-450 e^4 x^2 \log ^8(x)+125 e^6 x \log ^{12}(x)} \, dx=\left (-5+\frac {5}{-\frac {6 x}{5}+e^2 \log ^4(x)}\right )^2 \]
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Time = 0.35 (sec) , antiderivative size = 35, normalized size of antiderivative = 1.59, number of steps used = 6, number of rules used = 4, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.048, Rules used = {6820, 12, 6874, 2624} \[ \int \frac {7500 x+9000 x^2+e^2 (-25000-30000 x) \log ^3(x)-7500 e^2 x \log ^4(x)+25000 e^4 \log ^7(x)}{-216 x^4+540 e^2 x^3 \log ^4(x)-450 e^4 x^2 \log ^8(x)+125 e^6 x \log ^{12}(x)} \, dx=\frac {250}{6 x-5 e^2 \log ^4(x)}+\frac {625}{\left (6 x-5 e^2 \log ^4(x)\right )^2} \]
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Rule 12
Rule 2624
Rule 6820
Rule 6874
Rubi steps \begin{align*} \text {integral}& = \int \frac {500 \left (-3 x (5+6 x)+10 e^2 (5+6 x) \log ^3(x)+15 e^2 x \log ^4(x)-50 e^4 \log ^7(x)\right )}{x \left (6 x-5 e^2 \log ^4(x)\right )^3} \, dx \\ & = 500 \int \frac {-3 x (5+6 x)+10 e^2 (5+6 x) \log ^3(x)+15 e^2 x \log ^4(x)-50 e^4 \log ^7(x)}{x \left (6 x-5 e^2 \log ^4(x)\right )^3} \, dx \\ & = 500 \int \left (-\frac {5 \left (3 x-10 e^2 \log ^3(x)\right )}{x \left (6 x-5 e^2 \log ^4(x)\right )^3}+\frac {-3 x+10 e^2 \log ^3(x)}{x \left (6 x-5 e^2 \log ^4(x)\right )^2}\right ) \, dx \\ & = 500 \int \frac {-3 x+10 e^2 \log ^3(x)}{x \left (6 x-5 e^2 \log ^4(x)\right )^2} \, dx-2500 \int \frac {3 x-10 e^2 \log ^3(x)}{x \left (6 x-5 e^2 \log ^4(x)\right )^3} \, dx \\ & = \frac {625}{\left (6 x-5 e^2 \log ^4(x)\right )^2}+\frac {250}{6 x-5 e^2 \log ^4(x)} \\ \end{align*}
Time = 0.53 (sec) , antiderivative size = 31, normalized size of antiderivative = 1.41 \[ \int \frac {7500 x+9000 x^2+e^2 (-25000-30000 x) \log ^3(x)-7500 e^2 x \log ^4(x)+25000 e^4 \log ^7(x)}{-216 x^4+540 e^2 x^3 \log ^4(x)-450 e^4 x^2 \log ^8(x)+125 e^6 x \log ^{12}(x)} \, dx=-\frac {125 \left (-5-12 x+10 e^2 \log ^4(x)\right )}{\left (6 x-5 e^2 \log ^4(x)\right )^2} \]
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Time = 0.56 (sec) , antiderivative size = 30, normalized size of antiderivative = 1.36
method | result | size |
default | \(-\frac {125 \left (10 \,{\mathrm e}^{2} \ln \left (x \right )^{4}-12 x -5\right )}{\left (5 \,{\mathrm e}^{2} \ln \left (x \right )^{4}-6 x \right )^{2}}\) | \(30\) |
risch | \(-\frac {125 \left (10 \,{\mathrm e}^{2} \ln \left (x \right )^{4}-12 x -5\right )}{\left (5 \,{\mathrm e}^{2} \ln \left (x \right )^{4}-6 x \right )^{2}}\) | \(30\) |
parallelrisch | \(\frac {22500-45000 \,{\mathrm e}^{2} \ln \left (x \right )^{4}+54000 x}{900 \,{\mathrm e}^{4} \ln \left (x \right )^{8}-2160 x \,{\mathrm e}^{2} \ln \left (x \right )^{4}+1296 x^{2}}\) | \(47\) |
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Time = 0.26 (sec) , antiderivative size = 40, normalized size of antiderivative = 1.82 \[ \int \frac {7500 x+9000 x^2+e^2 (-25000-30000 x) \log ^3(x)-7500 e^2 x \log ^4(x)+25000 e^4 \log ^7(x)}{-216 x^4+540 e^2 x^3 \log ^4(x)-450 e^4 x^2 \log ^8(x)+125 e^6 x \log ^{12}(x)} \, dx=-\frac {125 \, {\left (10 \, e^{2} \log \left (x\right )^{4} - 12 \, x - 5\right )}}{25 \, e^{4} \log \left (x\right )^{8} - 60 \, x e^{2} \log \left (x\right )^{4} + 36 \, x^{2}} \]
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Leaf count of result is larger than twice the leaf count of optimal. 41 vs. \(2 (17) = 34\).
Time = 0.08 (sec) , antiderivative size = 41, normalized size of antiderivative = 1.86 \[ \int \frac {7500 x+9000 x^2+e^2 (-25000-30000 x) \log ^3(x)-7500 e^2 x \log ^4(x)+25000 e^4 \log ^7(x)}{-216 x^4+540 e^2 x^3 \log ^4(x)-450 e^4 x^2 \log ^8(x)+125 e^6 x \log ^{12}(x)} \, dx=\frac {1500 x - 1250 e^{2} \log {\left (x \right )}^{4} + 625}{36 x^{2} - 60 x e^{2} \log {\left (x \right )}^{4} + 25 e^{4} \log {\left (x \right )}^{8}} \]
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Time = 0.25 (sec) , antiderivative size = 40, normalized size of antiderivative = 1.82 \[ \int \frac {7500 x+9000 x^2+e^2 (-25000-30000 x) \log ^3(x)-7500 e^2 x \log ^4(x)+25000 e^4 \log ^7(x)}{-216 x^4+540 e^2 x^3 \log ^4(x)-450 e^4 x^2 \log ^8(x)+125 e^6 x \log ^{12}(x)} \, dx=-\frac {125 \, {\left (10 \, e^{2} \log \left (x\right )^{4} - 12 \, x - 5\right )}}{25 \, e^{4} \log \left (x\right )^{8} - 60 \, x e^{2} \log \left (x\right )^{4} + 36 \, x^{2}} \]
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Time = 3.83 (sec) , antiderivative size = 40, normalized size of antiderivative = 1.82 \[ \int \frac {7500 x+9000 x^2+e^2 (-25000-30000 x) \log ^3(x)-7500 e^2 x \log ^4(x)+25000 e^4 \log ^7(x)}{-216 x^4+540 e^2 x^3 \log ^4(x)-450 e^4 x^2 \log ^8(x)+125 e^6 x \log ^{12}(x)} \, dx=-\frac {250 \, {\left (10 \, e^{2} \log \left (x\right )^{4} - 12 \, x - 5\right )}}{25 \, e^{4} \log \left (x\right )^{8} - 60 \, x e^{2} \log \left (x\right )^{4} + 36 \, x^{2}} \]
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Time = 13.21 (sec) , antiderivative size = 29, normalized size of antiderivative = 1.32 \[ \int \frac {7500 x+9000 x^2+e^2 (-25000-30000 x) \log ^3(x)-7500 e^2 x \log ^4(x)+25000 e^4 \log ^7(x)}{-216 x^4+540 e^2 x^3 \log ^4(x)-450 e^4 x^2 \log ^8(x)+125 e^6 x \log ^{12}(x)} \, dx=\frac {125\,\left (-10\,{\mathrm {e}}^2\,{\ln \left (x\right )}^4+12\,x+5\right )}{{\left (6\,x-5\,{\mathrm {e}}^2\,{\ln \left (x\right )}^4\right )}^2} \]
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