Integrand size = 24, antiderivative size = 22 \[ \int \frac {-486-243 x-18 x^3-18 x^4-3 x^5}{x^3} \, dx=5 e+(3-x) \left (-6-\frac {9}{x}-x\right )^2 \]
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Time = 0.01 (sec) , antiderivative size = 24, normalized size of antiderivative = 1.09, number of steps used = 2, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.042, Rules used = {14} \[ \int \frac {-486-243 x-18 x^3-18 x^4-3 x^5}{x^3} \, dx=-x^3-9 x^2+\frac {243}{x^2}-18 x+\frac {243}{x} \]
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Rule 14
Rubi steps \begin{align*} \text {integral}& = \int \left (-18-\frac {486}{x^3}-\frac {243}{x^2}-18 x-3 x^2\right ) \, dx \\ & = \frac {243}{x^2}+\frac {243}{x}-18 x-9 x^2-x^3 \\ \end{align*}
Time = 0.00 (sec) , antiderivative size = 24, normalized size of antiderivative = 1.09 \[ \int \frac {-486-243 x-18 x^3-18 x^4-3 x^5}{x^3} \, dx=\frac {243}{x^2}+\frac {243}{x}-18 x-9 x^2-x^3 \]
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Time = 0.39 (sec) , antiderivative size = 24, normalized size of antiderivative = 1.09
method | result | size |
gosper | \(-\frac {x^{5}+9 x^{4}+18 x^{3}-243 x -243}{x^{2}}\) | \(24\) |
risch | \(-x^{3}-9 x^{2}-18 x +\frac {243 x +243}{x^{2}}\) | \(24\) |
parallelrisch | \(-\frac {x^{5}+9 x^{4}+18 x^{3}-243 x -243}{x^{2}}\) | \(24\) |
default | \(-x^{3}-9 x^{2}-18 x +\frac {243}{x}+\frac {243}{x^{2}}\) | \(25\) |
norman | \(\frac {-x^{5}-9 x^{4}-18 x^{3}+243 x +243}{x^{2}}\) | \(25\) |
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Time = 0.23 (sec) , antiderivative size = 23, normalized size of antiderivative = 1.05 \[ \int \frac {-486-243 x-18 x^3-18 x^4-3 x^5}{x^3} \, dx=-\frac {x^{5} + 9 \, x^{4} + 18 \, x^{3} - 243 \, x - 243}{x^{2}} \]
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Time = 0.04 (sec) , antiderivative size = 22, normalized size of antiderivative = 1.00 \[ \int \frac {-486-243 x-18 x^3-18 x^4-3 x^5}{x^3} \, dx=- x^{3} - 9 x^{2} - 18 x - \frac {- 243 x - 243}{x^{2}} \]
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none
Time = 0.18 (sec) , antiderivative size = 22, normalized size of antiderivative = 1.00 \[ \int \frac {-486-243 x-18 x^3-18 x^4-3 x^5}{x^3} \, dx=-x^{3} - 9 \, x^{2} - 18 \, x + \frac {243 \, {\left (x + 1\right )}}{x^{2}} \]
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Time = 0.25 (sec) , antiderivative size = 22, normalized size of antiderivative = 1.00 \[ \int \frac {-486-243 x-18 x^3-18 x^4-3 x^5}{x^3} \, dx=-x^{3} - 9 \, x^{2} - 18 \, x + \frac {243 \, {\left (x + 1\right )}}{x^{2}} \]
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Time = 0.05 (sec) , antiderivative size = 23, normalized size of antiderivative = 1.05 \[ \int \frac {-486-243 x-18 x^3-18 x^4-3 x^5}{x^3} \, dx=\frac {243\,x+243}{x^2}-18\,x-9\,x^2-x^3 \]
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