Integrand size = 11, antiderivative size = 30 \[ \int \frac {x}{(a+b x)^{3/2}} \, dx=\frac {2 a}{b^2 \sqrt {a+b x}}+\frac {2 \sqrt {a+b x}}{b^2} \]
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Time = 0.01 (sec) , antiderivative size = 30, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.091, Rules used = {45} \[ \int \frac {x}{(a+b x)^{3/2}} \, dx=\frac {2 a}{b^2 \sqrt {a+b x}}+\frac {2 \sqrt {a+b x}}{b^2} \]
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Rule 45
Rubi steps \begin{align*} \text {integral}& = \int \left (-\frac {a}{b (a+b x)^{3/2}}+\frac {1}{b \sqrt {a+b x}}\right ) \, dx \\ & = \frac {2 a}{b^2 \sqrt {a+b x}}+\frac {2 \sqrt {a+b x}}{b^2} \\ \end{align*}
Time = 0.01 (sec) , antiderivative size = 21, normalized size of antiderivative = 0.70 \[ \int \frac {x}{(a+b x)^{3/2}} \, dx=\frac {2 (2 a+b x)}{b^2 \sqrt {a+b x}} \]
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Time = 0.07 (sec) , antiderivative size = 20, normalized size of antiderivative = 0.67
method | result | size |
gosper | \(\frac {2 b x +4 a}{b^{2} \sqrt {b x +a}}\) | \(20\) |
trager | \(\frac {2 b x +4 a}{b^{2} \sqrt {b x +a}}\) | \(20\) |
pseudoelliptic | \(\frac {2 b x +4 a}{b^{2} \sqrt {b x +a}}\) | \(20\) |
derivativedivides | \(\frac {2 \sqrt {b x +a}+\frac {2 a}{\sqrt {b x +a}}}{b^{2}}\) | \(23\) |
default | \(\frac {2 \sqrt {b x +a}+\frac {2 a}{\sqrt {b x +a}}}{b^{2}}\) | \(23\) |
risch | \(\frac {2 a}{b^{2} \sqrt {b x +a}}+\frac {2 \sqrt {b x +a}}{b^{2}}\) | \(27\) |
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none
Time = 0.22 (sec) , antiderivative size = 29, normalized size of antiderivative = 0.97 \[ \int \frac {x}{(a+b x)^{3/2}} \, dx=\frac {2 \, {\left (b x + 2 \, a\right )} \sqrt {b x + a}}{b^{3} x + a b^{2}} \]
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Time = 0.33 (sec) , antiderivative size = 37, normalized size of antiderivative = 1.23 \[ \int \frac {x}{(a+b x)^{3/2}} \, dx=\begin {cases} \frac {4 a}{b^{2} \sqrt {a + b x}} + \frac {2 x}{b \sqrt {a + b x}} & \text {for}\: b \neq 0 \\\frac {x^{2}}{2 a^{\frac {3}{2}}} & \text {otherwise} \end {cases} \]
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none
Time = 0.19 (sec) , antiderivative size = 26, normalized size of antiderivative = 0.87 \[ \int \frac {x}{(a+b x)^{3/2}} \, dx=\frac {2 \, \sqrt {b x + a}}{b^{2}} + \frac {2 \, a}{\sqrt {b x + a} b^{2}} \]
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none
Time = 0.32 (sec) , antiderivative size = 29, normalized size of antiderivative = 0.97 \[ \int \frac {x}{(a+b x)^{3/2}} \, dx=\frac {2 \, {\left (\frac {\sqrt {b x + a}}{b} + \frac {a}{\sqrt {b x + a} b}\right )}}{b} \]
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Time = 0.10 (sec) , antiderivative size = 19, normalized size of antiderivative = 0.63 \[ \int \frac {x}{(a+b x)^{3/2}} \, dx=\frac {4\,a+2\,b\,x}{b^2\,\sqrt {a+b\,x}} \]
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