Integrand size = 20, antiderivative size = 47 \[ \int \frac {1+3 x}{\left (1-8 x+2 x^2\right )^{5/2}} \, dx=\frac {1-2 x}{6 \left (1-8 x+2 x^2\right )^{3/2}}-\frac {2 (2-x)}{21 \sqrt {1-8 x+2 x^2}} \]
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Time = 0.01 (sec) , antiderivative size = 47, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.100, Rules used = {652, 627} \[ \int \frac {1+3 x}{\left (1-8 x+2 x^2\right )^{5/2}} \, dx=\frac {1-2 x}{6 \left (2 x^2-8 x+1\right )^{3/2}}-\frac {2 (2-x)}{21 \sqrt {2 x^2-8 x+1}} \]
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Rule 627
Rule 652
Rubi steps \begin{align*} \text {integral}& = \frac {1-2 x}{6 \left (1-8 x+2 x^2\right )^{3/2}}-\frac {2}{3} \int \frac {1}{\left (1-8 x+2 x^2\right )^{3/2}} \, dx \\ & = \frac {1-2 x}{6 \left (1-8 x+2 x^2\right )^{3/2}}-\frac {2 (2-x)}{21 \sqrt {1-8 x+2 x^2}} \\ \end{align*}
Time = 0.20 (sec) , antiderivative size = 33, normalized size of antiderivative = 0.70 \[ \int \frac {1+3 x}{\left (1-8 x+2 x^2\right )^{5/2}} \, dx=\frac {-1+54 x-48 x^2+8 x^3}{42 \left (1-8 x+2 x^2\right )^{3/2}} \]
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Time = 0.38 (sec) , antiderivative size = 30, normalized size of antiderivative = 0.64
method | result | size |
gosper | \(\frac {8 x^{3}-48 x^{2}+54 x -1}{42 \left (2 x^{2}-8 x +1\right )^{\frac {3}{2}}}\) | \(30\) |
trager | \(\frac {8 x^{3}-48 x^{2}+54 x -1}{42 \left (2 x^{2}-8 x +1\right )^{\frac {3}{2}}}\) | \(30\) |
risch | \(\frac {8 x^{3}-48 x^{2}+54 x -1}{42 \left (2 x^{2}-8 x +1\right )^{\frac {3}{2}}}\) | \(30\) |
default | \(-\frac {4 x -8}{12 \left (2 x^{2}-8 x +1\right )^{\frac {3}{2}}}+\frac {4 x -8}{42 \sqrt {2 x^{2}-8 x +1}}-\frac {1}{2 \left (2 x^{2}-8 x +1\right )^{\frac {3}{2}}}\) | \(54\) |
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Time = 0.25 (sec) , antiderivative size = 73, normalized size of antiderivative = 1.55 \[ \int \frac {1+3 x}{\left (1-8 x+2 x^2\right )^{5/2}} \, dx=-\frac {4 \, x^{4} - 32 \, x^{3} + 68 \, x^{2} - {\left (8 \, x^{3} - 48 \, x^{2} + 54 \, x - 1\right )} \sqrt {2 \, x^{2} - 8 \, x + 1} - 16 \, x + 1}{42 \, {\left (4 \, x^{4} - 32 \, x^{3} + 68 \, x^{2} - 16 \, x + 1\right )}} \]
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\[ \int \frac {1+3 x}{\left (1-8 x+2 x^2\right )^{5/2}} \, dx=\int \frac {3 x + 1}{\left (2 x^{2} - 8 x + 1\right )^{\frac {5}{2}}}\, dx \]
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Time = 0.18 (sec) , antiderivative size = 59, normalized size of antiderivative = 1.26 \[ \int \frac {1+3 x}{\left (1-8 x+2 x^2\right )^{5/2}} \, dx=\frac {2 \, x}{21 \, \sqrt {2 \, x^{2} - 8 \, x + 1}} - \frac {4}{21 \, \sqrt {2 \, x^{2} - 8 \, x + 1}} - \frac {x}{3 \, {\left (2 \, x^{2} - 8 \, x + 1\right )}^{\frac {3}{2}}} + \frac {1}{6 \, {\left (2 \, x^{2} - 8 \, x + 1\right )}^{\frac {3}{2}}} \]
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Time = 0.28 (sec) , antiderivative size = 27, normalized size of antiderivative = 0.57 \[ \int \frac {1+3 x}{\left (1-8 x+2 x^2\right )^{5/2}} \, dx=\frac {2 \, {\left (4 \, {\left (x - 6\right )} x + 27\right )} x - 1}{42 \, {\left (2 \, x^{2} - 8 \, x + 1\right )}^{\frac {3}{2}}} \]
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Time = 0.41 (sec) , antiderivative size = 29, normalized size of antiderivative = 0.62 \[ \int \frac {1+3 x}{\left (1-8 x+2 x^2\right )^{5/2}} \, dx=\frac {8\,x^3-48\,x^2+54\,x-1}{42\,{\left (2\,x^2-8\,x+1\right )}^{3/2}} \]
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