Integrand size = 28, antiderivative size = 64 \[ \int \frac {2+5 x}{\sqrt {-12+20 x+5 x^2+2 x^3+x^4}} \, dx=-\log \left (-16-16 x-24 x^2-8 x^3-3 x^4-x^5+\left (8+4 x+2 x^2+x^3\right ) \sqrt {-12+20 x+5 x^2+2 x^3+x^4}\right ) \]
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\[ \int \frac {2+5 x}{\sqrt {-12+20 x+5 x^2+2 x^3+x^4}} \, dx=\int \frac {2+5 x}{\sqrt {-12+20 x+5 x^2+2 x^3+x^4}} \, dx \]
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Rubi steps \begin{align*} \text {integral}& = \int \left (\frac {2}{\sqrt {-12+20 x+5 x^2+2 x^3+x^4}}+\frac {5 x}{\sqrt {-12+20 x+5 x^2+2 x^3+x^4}}\right ) \, dx \\ & = 2 \int \frac {1}{\sqrt {-12+20 x+5 x^2+2 x^3+x^4}} \, dx+5 \int \frac {x}{\sqrt {-12+20 x+5 x^2+2 x^3+x^4}} \, dx \\ \end{align*}
Time = 3.61 (sec) , antiderivative size = 64, normalized size of antiderivative = 1.00 \[ \int \frac {2+5 x}{\sqrt {-12+20 x+5 x^2+2 x^3+x^4}} \, dx=-\log \left (-16-16 x-24 x^2-8 x^3-3 x^4-x^5+\left (8+4 x+2 x^2+x^3\right ) \sqrt {-12+20 x+5 x^2+2 x^3+x^4}\right ) \]
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Time = 5.17 (sec) , antiderivative size = 123, normalized size of antiderivative = 1.92
method | result | size |
trager | \(-\ln \left (-x^{5}+\sqrt {x^{4}+2 x^{3}+5 x^{2}+20 x -12}\, x^{3}-3 x^{4}+2 \sqrt {x^{4}+2 x^{3}+5 x^{2}+20 x -12}\, x^{2}-8 x^{3}+4 x \sqrt {x^{4}+2 x^{3}+5 x^{2}+20 x -12}-24 x^{2}+8 \sqrt {x^{4}+2 x^{3}+5 x^{2}+20 x -12}-16 x -16\right )\) | \(123\) |
default | \(\text {Expression too large to display}\) | \(2769\) |
elliptic | \(\text {Expression too large to display}\) | \(2769\) |
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Time = 0.27 (sec) , antiderivative size = 58, normalized size of antiderivative = 0.91 \[ \int \frac {2+5 x}{\sqrt {-12+20 x+5 x^2+2 x^3+x^4}} \, dx=\log \left (x^{5} + 3 \, x^{4} + 8 \, x^{3} + 24 \, x^{2} + \sqrt {x^{4} + 2 \, x^{3} + 5 \, x^{2} + 20 \, x - 12} {\left (x^{3} + 2 \, x^{2} + 4 \, x + 8\right )} + 16 \, x + 16\right ) \]
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\[ \int \frac {2+5 x}{\sqrt {-12+20 x+5 x^2+2 x^3+x^4}} \, dx=\int \frac {5 x + 2}{\sqrt {\left (x + 3\right ) \left (x^{3} - x^{2} + 8 x - 4\right )}}\, dx \]
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\[ \int \frac {2+5 x}{\sqrt {-12+20 x+5 x^2+2 x^3+x^4}} \, dx=\int { \frac {5 \, x + 2}{\sqrt {x^{4} + 2 \, x^{3} + 5 \, x^{2} + 20 \, x - 12}} \,d x } \]
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\[ \int \frac {2+5 x}{\sqrt {-12+20 x+5 x^2+2 x^3+x^4}} \, dx=\int { \frac {5 \, x + 2}{\sqrt {x^{4} + 2 \, x^{3} + 5 \, x^{2} + 20 \, x - 12}} \,d x } \]
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Timed out. \[ \int \frac {2+5 x}{\sqrt {-12+20 x+5 x^2+2 x^3+x^4}} \, dx=\int \frac {5\,x+2}{\sqrt {x^4+2\,x^3+5\,x^2+20\,x-12}} \,d x \]
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