Integrand size = 17, antiderivative size = 23 \[ \int \frac {\sqrt {b x+c x^2}}{x^3} \, dx=-\frac {2 \left (b x+c x^2\right )^{3/2}}{3 b x^3} \]
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Time = 0.00 (sec) , antiderivative size = 23, normalized size of antiderivative = 1.00, number of steps used = 1, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.059, Rules used = {664} \[ \int \frac {\sqrt {b x+c x^2}}{x^3} \, dx=-\frac {2 \left (b x+c x^2\right )^{3/2}}{3 b x^3} \]
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Rule 664
Rubi steps \begin{align*} \text {integral}& = -\frac {2 \left (b x+c x^2\right )^{3/2}}{3 b x^3} \\ \end{align*}
Time = 0.04 (sec) , antiderivative size = 21, normalized size of antiderivative = 0.91 \[ \int \frac {\sqrt {b x+c x^2}}{x^3} \, dx=-\frac {2 (x (b+c x))^{3/2}}{3 b x^3} \]
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Time = 2.11 (sec) , antiderivative size = 20, normalized size of antiderivative = 0.87
method | result | size |
default | \(-\frac {2 \left (c \,x^{2}+b x \right )^{\frac {3}{2}}}{3 b \,x^{3}}\) | \(20\) |
pseudoelliptic | \(-\frac {2 \left (c x +b \right ) \sqrt {x \left (c x +b \right )}}{3 x^{2} b}\) | \(23\) |
gosper | \(-\frac {2 \left (c x +b \right ) \sqrt {c \,x^{2}+b x}}{3 x^{2} b}\) | \(25\) |
trager | \(-\frac {2 \left (c x +b \right ) \sqrt {c \,x^{2}+b x}}{3 x^{2} b}\) | \(25\) |
risch | \(-\frac {2 \left (c x +b \right )^{2}}{3 x \sqrt {x \left (c x +b \right )}\, b}\) | \(25\) |
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none
Time = 0.26 (sec) , antiderivative size = 24, normalized size of antiderivative = 1.04 \[ \int \frac {\sqrt {b x+c x^2}}{x^3} \, dx=-\frac {2 \, \sqrt {c x^{2} + b x} {\left (c x + b\right )}}{3 \, b x^{2}} \]
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\[ \int \frac {\sqrt {b x+c x^2}}{x^3} \, dx=\int \frac {\sqrt {x \left (b + c x\right )}}{x^{3}}\, dx \]
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none
Time = 0.18 (sec) , antiderivative size = 37, normalized size of antiderivative = 1.61 \[ \int \frac {\sqrt {b x+c x^2}}{x^3} \, dx=-\frac {2 \, \sqrt {c x^{2} + b x} c}{3 \, b x} - \frac {2 \, \sqrt {c x^{2} + b x}}{3 \, x^{2}} \]
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Leaf count of result is larger than twice the leaf count of optimal. 76 vs. \(2 (19) = 38\).
Time = 0.27 (sec) , antiderivative size = 76, normalized size of antiderivative = 3.30 \[ \int \frac {\sqrt {b x+c x^2}}{x^3} \, dx=\frac {2 \, {\left (3 \, {\left (\sqrt {c} x - \sqrt {c x^{2} + b x}\right )}^{2} c + 3 \, {\left (\sqrt {c} x - \sqrt {c x^{2} + b x}\right )} b \sqrt {c} + b^{2}\right )}}{3 \, {\left (\sqrt {c} x - \sqrt {c x^{2} + b x}\right )}^{3}} \]
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Time = 9.04 (sec) , antiderivative size = 24, normalized size of antiderivative = 1.04 \[ \int \frac {\sqrt {b x+c x^2}}{x^3} \, dx=-\frac {2\,\sqrt {c\,x^2+b\,x}\,\left (b+c\,x\right )}{3\,b\,x^2} \]
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