Integrand size = 150, antiderivative size = 27 \[ \int \frac {-7938-11250 e^8-18900 x-11250 x^2+e^4 (18900+22500 x)+e^{-\frac {50 x}{-21+25 e^4-25 x}} \left (-882-1250 e^8-1050 x-1250 x^2+e^4 (2100+1250 x)\right )+e^{-\frac {25 x}{-21+25 e^4-25 x}} \left (-5292-7500 e^8-9450 x-7500 x^2+e^4 (12600+11250 x)\right )}{3969 x^3+5625 e^8 x^3+9450 x^4+5625 x^5+e^4 \left (-9450 x^3-11250 x^4\right )} \, dx=\frac {\left (3+e^{\frac {x}{\frac {21}{25}-e^4+x}}\right )^2}{9 x^2} \]
[Out]
Leaf count is larger than twice the leaf count of optimal. \(421\) vs. \(2(27)=54\).
Time = 4.70 (sec) , antiderivative size = 421, normalized size of antiderivative = 15.59, number of steps used = 107, number of rules used = 13, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.087, Rules used = {6, 6873, 12, 6874, 46, 78, 2262, 2240, 2241, 2264, 2263, 2265, 2209} \[ \int \frac {-7938-11250 e^8-18900 x-11250 x^2+e^4 (18900+22500 x)+e^{-\frac {50 x}{-21+25 e^4-25 x}} \left (-882-1250 e^8-1050 x-1250 x^2+e^4 (2100+1250 x)\right )+e^{-\frac {25 x}{-21+25 e^4-25 x}} \left (-5292-7500 e^8-9450 x-7500 x^2+e^4 (12600+11250 x)\right )}{3969 x^3+5625 e^8 x^3+9450 x^4+5625 x^5+e^4 \left (-9450 x^3-11250 x^4\right )} \, dx=\frac {2 e^{\frac {25 x}{25 x-25 e^4+21}}}{3 x^2}+\frac {e^{\frac {50 x}{25 x-25 e^4+21}}}{9 x^2}+\frac {441+625 e^8}{\left (21-25 e^4\right )^2 x^2}-\frac {1050 e^4}{\left (21-25 e^4\right )^2 x^2}-\frac {100 \left (441+625 e^8\right )}{\left (21-25 e^4\right )^3 x}+\frac {2500 e^4 \left (21+25 e^4\right )}{\left (21-25 e^4\right )^3 x}+\frac {2100}{\left (21-25 e^4\right )^2 x}-\frac {1250 \left (441+625 e^8\right )}{\left (21-25 e^4\right )^3 \left (25 x-25 e^4+21\right )}-\frac {1250}{\left (21-25 e^4\right ) \left (25 x-25 e^4+21\right )}+\frac {52500}{\left (21-25 e^4\right )^2 \left (25 x-25 e^4+21\right )}+\frac {1562500 e^8}{\left (21-25 e^4\right )^3 \left (25 x-25 e^4+21\right )}-\frac {3750 \left (441+625 e^8\right ) \log (x)}{\left (21-25 e^4\right )^4}+\frac {62500 e^4 \left (21+50 e^4\right ) \log (x)}{\left (21-25 e^4\right )^4}-\frac {1250 \log (x)}{\left (21-25 e^4\right )^2}+\frac {105000 \log (x)}{\left (21-25 e^4\right )^3}+\frac {3750 \left (441+625 e^8\right ) \log \left (25 x-25 e^4+21\right )}{\left (21-25 e^4\right )^4}-\frac {62500 e^4 \left (21+50 e^4\right ) \log \left (25 x-25 e^4+21\right )}{\left (21-25 e^4\right )^4}+\frac {1250 \log \left (25 x-25 e^4+21\right )}{\left (21-25 e^4\right )^2}-\frac {105000 \log \left (25 x-25 e^4+21\right )}{\left (21-25 e^4\right )^3} \]
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Rule 6
Rule 12
Rule 46
Rule 78
Rule 2209
Rule 2240
Rule 2241
Rule 2262
Rule 2263
Rule 2264
Rule 2265
Rule 6873
Rule 6874
Rubi steps \begin{align*} \text {integral}& = \int \frac {-7938-11250 e^8-18900 x-11250 x^2+e^4 (18900+22500 x)+e^{-\frac {50 x}{-21+25 e^4-25 x}} \left (-882-1250 e^8-1050 x-1250 x^2+e^4 (2100+1250 x)\right )+e^{-\frac {25 x}{-21+25 e^4-25 x}} \left (-5292-7500 e^8-9450 x-7500 x^2+e^4 (12600+11250 x)\right )}{\left (3969+5625 e^8\right ) x^3+9450 x^4+5625 x^5+e^4 \left (-9450 x^3-11250 x^4\right )} \, dx \\ & = \int \frac {-7938 \left (1+\frac {625 e^8}{441}\right )-18900 x-11250 x^2+e^4 (18900+22500 x)+e^{-\frac {50 x}{-21+25 e^4-25 x}} \left (-882-1250 e^8-1050 x-1250 x^2+e^4 (2100+1250 x)\right )+e^{-\frac {25 x}{-21+25 e^4-25 x}} \left (-5292-7500 e^8-9450 x-7500 x^2+e^4 (12600+11250 x)\right )}{9 x^3 \left (21-25 e^4+25 x\right )^2} \, dx \\ & = \frac {1}{9} \int \frac {-7938 \left (1+\frac {625 e^8}{441}\right )-18900 x-11250 x^2+e^4 (18900+22500 x)+e^{-\frac {50 x}{-21+25 e^4-25 x}} \left (-882-1250 e^8-1050 x-1250 x^2+e^4 (2100+1250 x)\right )+e^{-\frac {25 x}{-21+25 e^4-25 x}} \left (-5292-7500 e^8-9450 x-7500 x^2+e^4 (12600+11250 x)\right )}{x^3 \left (21-25 e^4+25 x\right )^2} \, dx \\ & = \frac {1}{9} \int \left (-\frac {18 \left (441+625 e^8\right )}{\left (-21+25 e^4-25 x\right )^2 x^3}+\frac {900 e^4 (21+25 x)}{\left (-21+25 e^4-25 x\right )^2 x^3}-\frac {18900}{x^2 \left (21-25 e^4+25 x\right )^2}-\frac {11250}{x \left (21-25 e^4+25 x\right )^2}+\frac {6 e^{\frac {25 x}{21-25 e^4+25 x}} \left (-2 \left (21-25 e^4\right )^2-75 \left (21-25 e^4\right ) x-1250 x^2\right )}{x^3 \left (21-25 e^4+25 x\right )^2}+\frac {2 e^{\frac {50 x}{21-25 e^4+25 x}} \left (-\left (21-25 e^4\right )^2-25 \left (21-25 e^4\right ) x-625 x^2\right )}{x^3 \left (21-25 e^4+25 x\right )^2}\right ) \, dx \\ & = \frac {2}{9} \int \frac {e^{\frac {50 x}{21-25 e^4+25 x}} \left (-\left (21-25 e^4\right )^2-25 \left (21-25 e^4\right ) x-625 x^2\right )}{x^3 \left (21-25 e^4+25 x\right )^2} \, dx+\frac {2}{3} \int \frac {e^{\frac {25 x}{21-25 e^4+25 x}} \left (-2 \left (21-25 e^4\right )^2-75 \left (21-25 e^4\right ) x-1250 x^2\right )}{x^3 \left (21-25 e^4+25 x\right )^2} \, dx-1250 \int \frac {1}{x \left (21-25 e^4+25 x\right )^2} \, dx-2100 \int \frac {1}{x^2 \left (21-25 e^4+25 x\right )^2} \, dx+\left (100 e^4\right ) \int \frac {21+25 x}{\left (-21+25 e^4-25 x\right )^2 x^3} \, dx-\left (2 \left (441+625 e^8\right )\right ) \int \frac {1}{\left (-21+25 e^4-25 x\right )^2 x^3} \, dx \\ & = \frac {2}{9} \int \left (-\frac {15625 e^{\frac {50 x}{21-25 e^4+25 x}}}{\left (-21+25 e^4\right ) \left (-21+25 e^4-25 x\right )^2}-\frac {31250 e^{\frac {50 x}{21-25 e^4+25 x}}}{\left (-21+25 e^4\right )^2 \left (-21+25 e^4-25 x\right )}-\frac {e^{\frac {50 x}{21-25 e^4+25 x}}}{x^3}-\frac {25 e^{\frac {50 x}{21-25 e^4+25 x}}}{\left (-21+25 e^4\right ) x^2}-\frac {1250 e^{\frac {50 x}{21-25 e^4+25 x}}}{\left (-21+25 e^4\right )^2 x}\right ) \, dx+\frac {2}{3} \int \left (-\frac {15625 e^{\frac {25 x}{21-25 e^4+25 x}}}{\left (-21+25 e^4\right ) \left (-21+25 e^4-25 x\right )^2}-\frac {31250 e^{\frac {25 x}{21-25 e^4+25 x}}}{\left (-21+25 e^4\right )^2 \left (-21+25 e^4-25 x\right )}-\frac {2 e^{\frac {25 x}{21-25 e^4+25 x}}}{x^3}-\frac {25 e^{\frac {25 x}{21-25 e^4+25 x}}}{\left (-21+25 e^4\right ) x^2}-\frac {1250 e^{\frac {25 x}{21-25 e^4+25 x}}}{\left (-21+25 e^4\right )^2 x}\right ) \, dx-1250 \int \left (\frac {25}{\left (-21+25 e^4\right ) \left (-21+25 e^4-25 x\right )^2}+\frac {25}{\left (-21+25 e^4\right )^2 \left (-21+25 e^4-25 x\right )}+\frac {1}{\left (-21+25 e^4\right )^2 x}\right ) \, dx-2100 \int \left (\frac {625}{\left (-21+25 e^4\right )^2 \left (-21+25 e^4-25 x\right )^2}+\frac {1250}{\left (-21+25 e^4\right )^3 \left (-21+25 e^4-25 x\right )}+\frac {1}{\left (-21+25 e^4\right )^2 x^2}+\frac {50}{\left (-21+25 e^4\right )^3 x}\right ) \, dx+\left (100 e^4\right ) \int \left (\frac {390625 e^4}{\left (-21+25 e^4\right )^3 \left (-21+25 e^4-25 x\right )^2}+\frac {15625 \left (21+50 e^4\right )}{\left (-21+25 e^4\right )^4 \left (-21+25 e^4-25 x\right )}+\frac {21}{\left (-21+25 e^4\right )^2 x^3}+\frac {25 \left (21+25 e^4\right )}{\left (-21+25 e^4\right )^3 x^2}+\frac {625 \left (21+50 e^4\right )}{\left (-21+25 e^4\right )^4 x}\right ) \, dx-\left (2 \left (441+625 e^8\right )\right ) \int \left (\frac {15625}{\left (-21+25 e^4\right )^3 \left (-21+25 e^4-25 x\right )^2}+\frac {46875}{\left (-21+25 e^4\right )^4 \left (-21+25 e^4-25 x\right )}+\frac {1}{\left (-21+25 e^4\right )^2 x^3}+\frac {50}{\left (-21+25 e^4\right )^3 x^2}+\frac {1875}{\left (-21+25 e^4\right )^4 x}\right ) \, dx \\ & = -\frac {1050 e^4}{\left (21-25 e^4\right )^2 x^2}+\frac {441+625 e^8}{\left (21-25 e^4\right )^2 x^2}+\frac {2100}{\left (21-25 e^4\right )^2 x}+\frac {2500 e^4 \left (21+25 e^4\right )}{\left (21-25 e^4\right )^3 x}-\frac {100 \left (441+625 e^8\right )}{\left (21-25 e^4\right )^3 x}+\frac {1562500 e^8}{\left (21-25 e^4\right )^3 \left (21-25 e^4+25 x\right )}+\frac {52500}{\left (21-25 e^4\right )^2 \left (21-25 e^4+25 x\right )}-\frac {1250}{\left (21-25 e^4\right ) \left (21-25 e^4+25 x\right )}-\frac {1250 \left (441+625 e^8\right )}{\left (21-25 e^4\right )^3 \left (21-25 e^4+25 x\right )}+\frac {105000 \log (x)}{\left (21-25 e^4\right )^3}-\frac {1250 \log (x)}{\left (21-25 e^4\right )^2}+\frac {62500 e^4 \left (21+50 e^4\right ) \log (x)}{\left (21-25 e^4\right )^4}-\frac {3750 \left (441+625 e^8\right ) \log (x)}{\left (21-25 e^4\right )^4}-\frac {105000 \log \left (21-25 e^4+25 x\right )}{\left (21-25 e^4\right )^3}+\frac {1250 \log \left (21-25 e^4+25 x\right )}{\left (21-25 e^4\right )^2}-\frac {62500 e^4 \left (21+50 e^4\right ) \log \left (21-25 e^4+25 x\right )}{\left (21-25 e^4\right )^4}+\frac {3750 \left (441+625 e^8\right ) \log \left (21-25 e^4+25 x\right )}{\left (21-25 e^4\right )^4}-\frac {2}{9} \int \frac {e^{\frac {50 x}{21-25 e^4+25 x}}}{x^3} \, dx-\frac {4}{3} \int \frac {e^{\frac {25 x}{21-25 e^4+25 x}}}{x^3} \, dx-\frac {2500 \int \frac {e^{\frac {50 x}{21-25 e^4+25 x}}}{x} \, dx}{9 \left (21-25 e^4\right )^2}-\frac {2500 \int \frac {e^{\frac {25 x}{21-25 e^4+25 x}}}{x} \, dx}{3 \left (21-25 e^4\right )^2}-\frac {62500 \int \frac {e^{\frac {50 x}{21-25 e^4+25 x}}}{-21+25 e^4-25 x} \, dx}{9 \left (21-25 e^4\right )^2}-\frac {62500 \int \frac {e^{\frac {25 x}{21-25 e^4+25 x}}}{-21+25 e^4-25 x} \, dx}{3 \left (21-25 e^4\right )^2}+\frac {50 \int \frac {e^{\frac {50 x}{21-25 e^4+25 x}}}{x^2} \, dx}{9 \left (21-25 e^4\right )}+\frac {50 \int \frac {e^{\frac {25 x}{21-25 e^4+25 x}}}{x^2} \, dx}{3 \left (21-25 e^4\right )}+\frac {31250 \int \frac {e^{\frac {50 x}{21-25 e^4+25 x}}}{\left (-21+25 e^4-25 x\right )^2} \, dx}{9 \left (21-25 e^4\right )}+\frac {31250 \int \frac {e^{\frac {25 x}{21-25 e^4+25 x}}}{\left (-21+25 e^4-25 x\right )^2} \, dx}{3 \left (21-25 e^4\right )} \\ & = \frac {2 e^{\frac {25 x}{21-25 e^4+25 x}}}{3 x^2}+\frac {e^{\frac {50 x}{21-25 e^4+25 x}}}{9 x^2}-\frac {1050 e^4}{\left (21-25 e^4\right )^2 x^2}+\frac {441+625 e^8}{\left (21-25 e^4\right )^2 x^2}+\frac {2100}{\left (21-25 e^4\right )^2 x}-\frac {50 e^{\frac {25 x}{21-25 e^4+25 x}}}{3 \left (21-25 e^4\right ) x}-\frac {50 e^{\frac {50 x}{21-25 e^4+25 x}}}{9 \left (21-25 e^4\right ) x}+\frac {2500 e^4 \left (21+25 e^4\right )}{\left (21-25 e^4\right )^3 x}-\frac {100 \left (441+625 e^8\right )}{\left (21-25 e^4\right )^3 x}+\frac {1562500 e^8}{\left (21-25 e^4\right )^3 \left (21-25 e^4+25 x\right )}+\frac {52500}{\left (21-25 e^4\right )^2 \left (21-25 e^4+25 x\right )}-\frac {1250}{\left (21-25 e^4\right ) \left (21-25 e^4+25 x\right )}-\frac {1250 \left (441+625 e^8\right )}{\left (21-25 e^4\right )^3 \left (21-25 e^4+25 x\right )}+\frac {105000 \log (x)}{\left (21-25 e^4\right )^3}-\frac {1250 \log (x)}{\left (21-25 e^4\right )^2}+\frac {62500 e^4 \left (21+50 e^4\right ) \log (x)}{\left (21-25 e^4\right )^4}-\frac {3750 \left (441+625 e^8\right ) \log (x)}{\left (21-25 e^4\right )^4}-\frac {105000 \log \left (21-25 e^4+25 x\right )}{\left (21-25 e^4\right )^3}+\frac {1250 \log \left (21-25 e^4+25 x\right )}{\left (21-25 e^4\right )^2}-\frac {62500 e^4 \left (21+50 e^4\right ) \log \left (21-25 e^4+25 x\right )}{\left (21-25 e^4\right )^4}+\frac {3750 \left (441+625 e^8\right ) \log \left (21-25 e^4+25 x\right )}{\left (21-25 e^4\right )^4}+\frac {2500}{9} \int \frac {e^{\frac {50 x}{21-25 e^4+25 x}}}{x \left (21-25 e^4+25 x\right )^2} \, dx+\frac {1250}{3} \int \frac {e^{\frac {25 x}{21-25 e^4+25 x}}}{x \left (21-25 e^4+25 x\right )^2} \, dx-\frac {62500 \int \frac {e^{2-\frac {2 \left (21-25 e^4\right )}{21-25 e^4+25 x}}}{-21+25 e^4-25 x} \, dx}{9 \left (21-25 e^4\right )^2}-\frac {62500 \int \frac {e^{\frac {50 x}{21-25 e^4+25 x}}}{21-25 e^4+25 x} \, dx}{9 \left (21-25 e^4\right )^2}-\frac {62500 \int \frac {e^{1-\frac {21-25 e^4}{21-25 e^4+25 x}}}{-21+25 e^4-25 x} \, dx}{3 \left (21-25 e^4\right )^2}-\frac {62500 \int \frac {e^{\frac {25 x}{21-25 e^4+25 x}}}{21-25 e^4+25 x} \, dx}{3 \left (21-25 e^4\right )^2}-\frac {2500 \int \frac {e^{\frac {50 x}{21-25 e^4+25 x}}}{x \left (21-25 e^4+25 x\right )} \, dx}{9 \left (21-25 e^4\right )}-\frac {2500 \int \frac {e^{\frac {25 x}{21-25 e^4+25 x}}}{x \left (21-25 e^4+25 x\right )} \, dx}{3 \left (21-25 e^4\right )}+\frac {31250 \int \frac {e^{2-\frac {2 \left (21-25 e^4\right )}{21-25 e^4+25 x}}}{\left (-21+25 e^4-25 x\right )^2} \, dx}{9 \left (21-25 e^4\right )}+\frac {31250 \int \frac {e^{1-\frac {21-25 e^4}{21-25 e^4+25 x}}}{\left (-21+25 e^4-25 x\right )^2} \, dx}{3 \left (21-25 e^4\right )}-\frac {1}{9} \left (50 \left (21-25 e^4\right )\right ) \int \frac {e^{\frac {50 x}{21-25 e^4+25 x}}}{x^2 \left (21-25 e^4+25 x\right )^2} \, dx-\frac {1}{3} \left (50 \left (21-25 e^4\right )\right ) \int \frac {e^{\frac {25 x}{21-25 e^4+25 x}}}{x^2 \left (21-25 e^4+25 x\right )^2} \, dx \\ & = \text {Too large to display} \\ \end{align*}
Time = 0.22 (sec) , antiderivative size = 28, normalized size of antiderivative = 1.04 \[ \int \frac {-7938-11250 e^8-18900 x-11250 x^2+e^4 (18900+22500 x)+e^{-\frac {50 x}{-21+25 e^4-25 x}} \left (-882-1250 e^8-1050 x-1250 x^2+e^4 (2100+1250 x)\right )+e^{-\frac {25 x}{-21+25 e^4-25 x}} \left (-5292-7500 e^8-9450 x-7500 x^2+e^4 (12600+11250 x)\right )}{3969 x^3+5625 e^8 x^3+9450 x^4+5625 x^5+e^4 \left (-9450 x^3-11250 x^4\right )} \, dx=\frac {\left (3+e^{\frac {25 x}{21-25 e^4+25 x}}\right )^2}{9 x^2} \]
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Time = 4.56 (sec) , antiderivative size = 4, normalized size of antiderivative = 0.15
method | result | size |
parts | \(\frac {1}{x^{2}}\) | \(4\) |
parallelrisch | \(\frac {3515625+390625 \,{\mathrm e}^{-\frac {50 x}{25 \,{\mathrm e}^{4}-25 x -21}}+2343750 \,{\mathrm e}^{-\frac {25 x}{25 \,{\mathrm e}^{4}-25 x -21}}}{3515625 x^{2}}\) | \(44\) |
risch | \(\frac {1}{x^{2}}+\frac {{\mathrm e}^{-\frac {50 x}{25 \,{\mathrm e}^{4}-25 x -21}}}{9 x^{2}}+\frac {2 \,{\mathrm e}^{-\frac {25 x}{25 \,{\mathrm e}^{4}-25 x -21}}}{3 x^{2}}\) | \(45\) |
norman | \(\frac {\left (\frac {25 \,{\mathrm e}^{4}}{9}-\frac {7}{3}\right ) {\mathrm e}^{-\frac {50 x}{25 \,{\mathrm e}^{4}-25 x -21}}+\left (\frac {50 \,{\mathrm e}^{4}}{3}-14\right ) {\mathrm e}^{-\frac {25 x}{25 \,{\mathrm e}^{4}-25 x -21}}-25 x -\frac {50 \,{\mathrm e}^{-\frac {25 x}{25 \,{\mathrm e}^{4}-25 x -21}} x}{3}-\frac {25 \,{\mathrm e}^{-\frac {50 x}{25 \,{\mathrm e}^{4}-25 x -21}} x}{9}-21+25 \,{\mathrm e}^{4}}{x^{2} \left (25 \,{\mathrm e}^{4}-25 x -21\right )}\) | \(109\) |
derivativedivides | \(-\frac {\left (25 \,{\mathrm e}^{4}-21\right ) \left (-\frac {13781250 \left (-\frac {1}{1+\frac {25 \,{\mathrm e}^{4}-21}{-25 \,{\mathrm e}^{4}+25 x +21}}+\frac {1}{2 \left (1+\frac {25 \,{\mathrm e}^{4}-21}{-25 \,{\mathrm e}^{4}+25 x +21}\right )^{2}}\right )}{9765625 \,{\mathrm e}^{20}-41015625 \,{\mathrm e}^{16}+68906250 \,{\mathrm e}^{12}-57881250 \,{\mathrm e}^{8}+24310125 \,{\mathrm e}^{4}-4084101}+\frac {32812500 \,{\mathrm e}^{4} \left (-\frac {1}{1+\frac {25 \,{\mathrm e}^{4}-21}{-25 \,{\mathrm e}^{4}+25 x +21}}+\frac {1}{2 \left (1+\frac {25 \,{\mathrm e}^{4}-21}{-25 \,{\mathrm e}^{4}+25 x +21}\right )^{2}}\right )}{9765625 \,{\mathrm e}^{20}-41015625 \,{\mathrm e}^{16}+68906250 \,{\mathrm e}^{12}-57881250 \,{\mathrm e}^{8}+24310125 \,{\mathrm e}^{4}-4084101}-\frac {19531250 \,{\mathrm e}^{8} \left (-\frac {1}{1+\frac {25 \,{\mathrm e}^{4}-21}{-25 \,{\mathrm e}^{4}+25 x +21}}+\frac {1}{2 \left (1+\frac {25 \,{\mathrm e}^{4}-21}{-25 \,{\mathrm e}^{4}+25 x +21}\right )^{2}}\right )}{9765625 \,{\mathrm e}^{20}-41015625 \,{\mathrm e}^{16}+68906250 \,{\mathrm e}^{12}-57881250 \,{\mathrm e}^{8}+24310125 \,{\mathrm e}^{4}-4084101}\right )}{25}\) | \(265\) |
default | \(-\frac {\left (25 \,{\mathrm e}^{4}-21\right ) \left (-\frac {13781250 \left (-\frac {1}{1+\frac {25 \,{\mathrm e}^{4}-21}{-25 \,{\mathrm e}^{4}+25 x +21}}+\frac {1}{2 \left (1+\frac {25 \,{\mathrm e}^{4}-21}{-25 \,{\mathrm e}^{4}+25 x +21}\right )^{2}}\right )}{9765625 \,{\mathrm e}^{20}-41015625 \,{\mathrm e}^{16}+68906250 \,{\mathrm e}^{12}-57881250 \,{\mathrm e}^{8}+24310125 \,{\mathrm e}^{4}-4084101}+\frac {32812500 \,{\mathrm e}^{4} \left (-\frac {1}{1+\frac {25 \,{\mathrm e}^{4}-21}{-25 \,{\mathrm e}^{4}+25 x +21}}+\frac {1}{2 \left (1+\frac {25 \,{\mathrm e}^{4}-21}{-25 \,{\mathrm e}^{4}+25 x +21}\right )^{2}}\right )}{9765625 \,{\mathrm e}^{20}-41015625 \,{\mathrm e}^{16}+68906250 \,{\mathrm e}^{12}-57881250 \,{\mathrm e}^{8}+24310125 \,{\mathrm e}^{4}-4084101}-\frac {19531250 \,{\mathrm e}^{8} \left (-\frac {1}{1+\frac {25 \,{\mathrm e}^{4}-21}{-25 \,{\mathrm e}^{4}+25 x +21}}+\frac {1}{2 \left (1+\frac {25 \,{\mathrm e}^{4}-21}{-25 \,{\mathrm e}^{4}+25 x +21}\right )^{2}}\right )}{9765625 \,{\mathrm e}^{20}-41015625 \,{\mathrm e}^{16}+68906250 \,{\mathrm e}^{12}-57881250 \,{\mathrm e}^{8}+24310125 \,{\mathrm e}^{4}-4084101}\right )}{25}\) | \(265\) |
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Time = 0.26 (sec) , antiderivative size = 39, normalized size of antiderivative = 1.44 \[ \int \frac {-7938-11250 e^8-18900 x-11250 x^2+e^4 (18900+22500 x)+e^{-\frac {50 x}{-21+25 e^4-25 x}} \left (-882-1250 e^8-1050 x-1250 x^2+e^4 (2100+1250 x)\right )+e^{-\frac {25 x}{-21+25 e^4-25 x}} \left (-5292-7500 e^8-9450 x-7500 x^2+e^4 (12600+11250 x)\right )}{3969 x^3+5625 e^8 x^3+9450 x^4+5625 x^5+e^4 \left (-9450 x^3-11250 x^4\right )} \, dx=\frac {e^{\left (\frac {50 \, x}{25 \, x - 25 \, e^{4} + 21}\right )} + 6 \, e^{\left (\frac {25 \, x}{25 \, x - 25 \, e^{4} + 21}\right )} + 9}{9 \, x^{2}} \]
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Leaf count of result is larger than twice the leaf count of optimal. 49 vs. \(2 (19) = 38\).
Time = 0.21 (sec) , antiderivative size = 49, normalized size of antiderivative = 1.81 \[ \int \frac {-7938-11250 e^8-18900 x-11250 x^2+e^4 (18900+22500 x)+e^{-\frac {50 x}{-21+25 e^4-25 x}} \left (-882-1250 e^8-1050 x-1250 x^2+e^4 (2100+1250 x)\right )+e^{-\frac {25 x}{-21+25 e^4-25 x}} \left (-5292-7500 e^8-9450 x-7500 x^2+e^4 (12600+11250 x)\right )}{3969 x^3+5625 e^8 x^3+9450 x^4+5625 x^5+e^4 \left (-9450 x^3-11250 x^4\right )} \, dx=\frac {1}{x^{2}} + \frac {18 x^{2} e^{- \frac {25 x}{- 25 x - 21 + 25 e^{4}}} + 3 x^{2} e^{- \frac {50 x}{- 25 x - 21 + 25 e^{4}}}}{27 x^{4}} \]
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Leaf count of result is larger than twice the leaf count of optimal. 716 vs. \(2 (24) = 48\).
Time = 0.37 (sec) , antiderivative size = 716, normalized size of antiderivative = 26.52 \[ \int \frac {-7938-11250 e^8-18900 x-11250 x^2+e^4 (18900+22500 x)+e^{-\frac {50 x}{-21+25 e^4-25 x}} \left (-882-1250 e^8-1050 x-1250 x^2+e^4 (2100+1250 x)\right )+e^{-\frac {25 x}{-21+25 e^4-25 x}} \left (-5292-7500 e^8-9450 x-7500 x^2+e^4 (12600+11250 x)\right )}{3969 x^3+5625 e^8 x^3+9450 x^4+5625 x^5+e^4 \left (-9450 x^3-11250 x^4\right )} \, dx=\text {Too large to display} \]
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Leaf count of result is larger than twice the leaf count of optimal. 625 vs. \(2 (24) = 48\).
Time = 3.06 (sec) , antiderivative size = 625, normalized size of antiderivative = 23.15 \[ \int \frac {-7938-11250 e^8-18900 x-11250 x^2+e^4 (18900+22500 x)+e^{-\frac {50 x}{-21+25 e^4-25 x}} \left (-882-1250 e^8-1050 x-1250 x^2+e^4 (2100+1250 x)\right )+e^{-\frac {25 x}{-21+25 e^4-25 x}} \left (-5292-7500 e^8-9450 x-7500 x^2+e^4 (12600+11250 x)\right )}{3969 x^3+5625 e^8 x^3+9450 x^4+5625 x^5+e^4 \left (-9450 x^3-11250 x^4\right )} \, dx=-\frac {\frac {281250 \, x e^{8}}{25 \, x - 25 \, e^{4} + 21} - \frac {472500 \, x e^{4}}{25 \, x - 25 \, e^{4} + 21} + \frac {22050 \, x e^{\left (\frac {50 \, x}{25 \, x - 25 \, e^{4} + 21}\right )}}{25 \, x - 25 \, e^{4} + 21} - \frac {275625 \, x^{2} e^{\left (\frac {50 \, x}{25 \, x - 25 \, e^{4} + 21}\right )}}{{\left (25 \, x - 25 \, e^{4} + 21\right )}^{2}} + \frac {132300 \, x e^{\left (\frac {25 \, x}{25 \, x - 25 \, e^{4} + 21}\right )}}{25 \, x - 25 \, e^{4} + 21} - \frac {1653750 \, x^{2} e^{\left (\frac {25 \, x}{25 \, x - 25 \, e^{4} + 21}\right )}}{{\left (25 \, x - 25 \, e^{4} + 21\right )}^{2}} + \frac {31250 \, x e^{\left (\frac {50 \, x}{25 \, x - 25 \, e^{4} + 21} + 8\right )}}{25 \, x - 25 \, e^{4} + 21} - \frac {390625 \, x^{2} e^{\left (\frac {50 \, x}{25 \, x - 25 \, e^{4} + 21} + 8\right )}}{{\left (25 \, x - 25 \, e^{4} + 21\right )}^{2}} - \frac {52500 \, x e^{\left (\frac {50 \, x}{25 \, x - 25 \, e^{4} + 21} + 4\right )}}{25 \, x - 25 \, e^{4} + 21} + \frac {656250 \, x^{2} e^{\left (\frac {50 \, x}{25 \, x - 25 \, e^{4} + 21} + 4\right )}}{{\left (25 \, x - 25 \, e^{4} + 21\right )}^{2}} + \frac {187500 \, x e^{\left (\frac {25 \, x}{25 \, x - 25 \, e^{4} + 21} + 8\right )}}{25 \, x - 25 \, e^{4} + 21} - \frac {2343750 \, x^{2} e^{\left (\frac {25 \, x}{25 \, x - 25 \, e^{4} + 21} + 8\right )}}{{\left (25 \, x - 25 \, e^{4} + 21\right )}^{2}} - \frac {315000 \, x e^{\left (\frac {25 \, x}{25 \, x - 25 \, e^{4} + 21} + 4\right )}}{25 \, x - 25 \, e^{4} + 21} + \frac {3937500 \, x^{2} e^{\left (\frac {25 \, x}{25 \, x - 25 \, e^{4} + 21} + 4\right )}}{{\left (25 \, x - 25 \, e^{4} + 21\right )}^{2}} + \frac {198450 \, x}{25 \, x - 25 \, e^{4} + 21} - 5625 \, e^{8} + 9450 \, e^{4} - 441 \, e^{\left (\frac {50 \, x}{25 \, x - 25 \, e^{4} + 21}\right )} - 2646 \, e^{\left (\frac {25 \, x}{25 \, x - 25 \, e^{4} + 21}\right )} - 625 \, e^{\left (\frac {50 \, x}{25 \, x - 25 \, e^{4} + 21} + 8\right )} + 1050 \, e^{\left (\frac {50 \, x}{25 \, x - 25 \, e^{4} + 21} + 4\right )} - 3750 \, e^{\left (\frac {25 \, x}{25 \, x - 25 \, e^{4} + 21} + 8\right )} + 6300 \, e^{\left (\frac {25 \, x}{25 \, x - 25 \, e^{4} + 21} + 4\right )} - 3969}{9 \, {\left (\frac {15625 \, x^{2} e^{12}}{{\left (25 \, x - 25 \, e^{4} + 21\right )}^{2}} - \frac {39375 \, x^{2} e^{8}}{{\left (25 \, x - 25 \, e^{4} + 21\right )}^{2}} + \frac {33075 \, x^{2} e^{4}}{{\left (25 \, x - 25 \, e^{4} + 21\right )}^{2}} - \frac {9261 \, x^{2}}{{\left (25 \, x - 25 \, e^{4} + 21\right )}^{2}}\right )} {\left (25 \, e^{4} - 21\right )}} \]
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Time = 10.16 (sec) , antiderivative size = 24, normalized size of antiderivative = 0.89 \[ \int \frac {-7938-11250 e^8-18900 x-11250 x^2+e^4 (18900+22500 x)+e^{-\frac {50 x}{-21+25 e^4-25 x}} \left (-882-1250 e^8-1050 x-1250 x^2+e^4 (2100+1250 x)\right )+e^{-\frac {25 x}{-21+25 e^4-25 x}} \left (-5292-7500 e^8-9450 x-7500 x^2+e^4 (12600+11250 x)\right )}{3969 x^3+5625 e^8 x^3+9450 x^4+5625 x^5+e^4 \left (-9450 x^3-11250 x^4\right )} \, dx=\frac {{\left ({\mathrm {e}}^{\frac {25\,x}{25\,x-25\,{\mathrm {e}}^4+21}}+3\right )}^2}{9\,x^2} \]
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