Integrand size = 21, antiderivative size = 25 \[ \int \frac {1}{\sqrt {x} \sqrt {a x^2+b x^3}} \, dx=-\frac {2 \sqrt {a x^2+b x^3}}{a x^{3/2}} \]
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Time = 0.02 (sec) , antiderivative size = 25, normalized size of antiderivative = 1.00, number of steps used = 1, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.048, Rules used = {2039} \[ \int \frac {1}{\sqrt {x} \sqrt {a x^2+b x^3}} \, dx=-\frac {2 \sqrt {a x^2+b x^3}}{a x^{3/2}} \]
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Rule 2039
Rubi steps \begin{align*} \text {integral}& = -\frac {2 \sqrt {a x^2+b x^3}}{a x^{3/2}} \\ \end{align*}
Time = 0.01 (sec) , antiderivative size = 23, normalized size of antiderivative = 0.92 \[ \int \frac {1}{\sqrt {x} \sqrt {a x^2+b x^3}} \, dx=-\frac {2 \sqrt {x^2 (a+b x)}}{a x^{3/2}} \]
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Time = 1.87 (sec) , antiderivative size = 25, normalized size of antiderivative = 1.00
method | result | size |
risch | \(-\frac {2 \sqrt {x}\, \left (b x +a \right )}{\sqrt {x^{2} \left (b x +a \right )}\, a}\) | \(25\) |
gosper | \(-\frac {2 \sqrt {x}\, \left (b x +a \right )}{a \sqrt {b \,x^{3}+a \,x^{2}}}\) | \(27\) |
default | \(-\frac {2 \sqrt {x}\, \left (b x +a \right )}{a \sqrt {b \,x^{3}+a \,x^{2}}}\) | \(27\) |
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none
Time = 0.26 (sec) , antiderivative size = 21, normalized size of antiderivative = 0.84 \[ \int \frac {1}{\sqrt {x} \sqrt {a x^2+b x^3}} \, dx=-\frac {2 \, \sqrt {b x^{3} + a x^{2}}}{a x^{\frac {3}{2}}} \]
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\[ \int \frac {1}{\sqrt {x} \sqrt {a x^2+b x^3}} \, dx=\int \frac {1}{\sqrt {x} \sqrt {x^{2} \left (a + b x\right )}}\, dx \]
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\[ \int \frac {1}{\sqrt {x} \sqrt {a x^2+b x^3}} \, dx=\int { \frac {1}{\sqrt {b x^{3} + a x^{2}} \sqrt {x}} \,d x } \]
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none
Time = 0.29 (sec) , antiderivative size = 34, normalized size of antiderivative = 1.36 \[ \int \frac {1}{\sqrt {x} \sqrt {a x^2+b x^3}} \, dx=\frac {4 \, \sqrt {b}}{{\left ({\left (\sqrt {b} \sqrt {x} - \sqrt {b x + a}\right )}^{2} - a\right )} \mathrm {sgn}\left (x\right )} \]
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Timed out. \[ \int \frac {1}{\sqrt {x} \sqrt {a x^2+b x^3}} \, dx=\int \frac {1}{\sqrt {x}\,\sqrt {b\,x^3+a\,x^2}} \,d x \]
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