Integrand size = 21, antiderivative size = 30 \[ \int \frac {1}{\sqrt {x} \left (b \sqrt {x}+a x\right )^{3/2}} \, dx=-\frac {4 \left (b+2 a \sqrt {x}\right )}{b^2 \sqrt {b \sqrt {x}+a x}} \]
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Time = 0.03 (sec) , antiderivative size = 30, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.095, Rules used = {2038, 627} \[ \int \frac {1}{\sqrt {x} \left (b \sqrt {x}+a x\right )^{3/2}} \, dx=-\frac {4 \left (2 a \sqrt {x}+b\right )}{b^2 \sqrt {a x+b \sqrt {x}}} \]
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Rule 627
Rule 2038
Rubi steps \begin{align*} \text {integral}& = 2 \text {Subst}\left (\int \frac {1}{\left (b x+a x^2\right )^{3/2}} \, dx,x,\sqrt {x}\right ) \\ & = -\frac {4 \left (b+2 a \sqrt {x}\right )}{b^2 \sqrt {b \sqrt {x}+a x}} \\ \end{align*}
Time = 0.22 (sec) , antiderivative size = 46, normalized size of antiderivative = 1.53 \[ \int \frac {1}{\sqrt {x} \left (b \sqrt {x}+a x\right )^{3/2}} \, dx=-\frac {4 \left (b+2 a \sqrt {x}\right ) \sqrt {b \sqrt {x}+a x}}{b^2 \left (b+a \sqrt {x}\right ) \sqrt {x}} \]
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Time = 2.18 (sec) , antiderivative size = 25, normalized size of antiderivative = 0.83
method | result | size |
derivativedivides | \(-\frac {4 \left (b +2 a \sqrt {x}\right )}{b^{2} \sqrt {b \sqrt {x}+a x}}\) | \(25\) |
default | \(-\frac {4 \sqrt {b \sqrt {x}+a x}\, \left (x \left (b \sqrt {x}+a x \right )^{\frac {3}{2}} a^{2}+2 \sqrt {x}\, \left (b \sqrt {x}+a x \right )^{\frac {3}{2}} a b -\left (\sqrt {x}\, \left (a \sqrt {x}+b \right )\right )^{\frac {3}{2}} a^{2} x +\left (b \sqrt {x}+a x \right )^{\frac {3}{2}} b^{2}\right )}{\sqrt {\sqrt {x}\, \left (a \sqrt {x}+b \right )}\, b^{3} x \left (a \sqrt {x}+b \right )^{2}}\) | \(111\) |
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Leaf count of result is larger than twice the leaf count of optimal. 54 vs. \(2 (24) = 48\).
Time = 0.46 (sec) , antiderivative size = 54, normalized size of antiderivative = 1.80 \[ \int \frac {1}{\sqrt {x} \left (b \sqrt {x}+a x\right )^{3/2}} \, dx=\frac {4 \, {\left (a b x - {\left (2 \, a^{2} x - b^{2}\right )} \sqrt {x}\right )} \sqrt {a x + b \sqrt {x}}}{a^{2} b^{2} x^{2} - b^{4} x} \]
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\[ \int \frac {1}{\sqrt {x} \left (b \sqrt {x}+a x\right )^{3/2}} \, dx=\int \frac {1}{\sqrt {x} \left (a x + b \sqrt {x}\right )^{\frac {3}{2}}}\, dx \]
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\[ \int \frac {1}{\sqrt {x} \left (b \sqrt {x}+a x\right )^{3/2}} \, dx=\int { \frac {1}{{\left (a x + b \sqrt {x}\right )}^{\frac {3}{2}} \sqrt {x}} \,d x } \]
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none
Time = 0.29 (sec) , antiderivative size = 26, normalized size of antiderivative = 0.87 \[ \int \frac {1}{\sqrt {x} \left (b \sqrt {x}+a x\right )^{3/2}} \, dx=-\frac {4 \, {\left (\frac {2 \, a \sqrt {x}}{b^{2}} + \frac {1}{b}\right )}}{\sqrt {a x + b \sqrt {x}}} \]
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Timed out. \[ \int \frac {1}{\sqrt {x} \left (b \sqrt {x}+a x\right )^{3/2}} \, dx=\int \frac {1}{\sqrt {x}\,{\left (a\,x+b\,\sqrt {x}\right )}^{3/2}} \,d x \]
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