Integrand size = 15, antiderivative size = 38 \[ \int \frac {A+B x}{(a+b x)^{3/2}} \, dx=-\frac {2 (A b-a B)}{b^2 \sqrt {a+b x}}+\frac {2 B \sqrt {a+b x}}{b^2} \]
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Time = 0.01 (sec) , antiderivative size = 38, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.067, Rules used = {45} \[ \int \frac {A+B x}{(a+b x)^{3/2}} \, dx=\frac {2 B \sqrt {a+b x}}{b^2}-\frac {2 (A b-a B)}{b^2 \sqrt {a+b x}} \]
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Rule 45
Rubi steps \begin{align*} \text {integral}& = \int \left (\frac {A b-a B}{b (a+b x)^{3/2}}+\frac {B}{b \sqrt {a+b x}}\right ) \, dx \\ & = -\frac {2 (A b-a B)}{b^2 \sqrt {a+b x}}+\frac {2 B \sqrt {a+b x}}{b^2} \\ \end{align*}
Time = 0.03 (sec) , antiderivative size = 27, normalized size of antiderivative = 0.71 \[ \int \frac {A+B x}{(a+b x)^{3/2}} \, dx=\frac {2 (-A b+2 a B+b B x)}{b^2 \sqrt {a+b x}} \]
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Time = 1.42 (sec) , antiderivative size = 26, normalized size of antiderivative = 0.68
method | result | size |
gosper | \(-\frac {2 \left (-b B x +A b -2 B a \right )}{\sqrt {b x +a}\, b^{2}}\) | \(26\) |
trager | \(-\frac {2 \left (-b B x +A b -2 B a \right )}{\sqrt {b x +a}\, b^{2}}\) | \(26\) |
pseudoelliptic | \(\frac {\left (2 B x -2 A \right ) b +4 B a}{\sqrt {b x +a}\, b^{2}}\) | \(27\) |
derivativedivides | \(\frac {2 B \sqrt {b x +a}-\frac {2 \left (A b -B a \right )}{\sqrt {b x +a}}}{b^{2}}\) | \(33\) |
default | \(\frac {2 B \sqrt {b x +a}-\frac {2 \left (A b -B a \right )}{\sqrt {b x +a}}}{b^{2}}\) | \(33\) |
risch | \(-\frac {2 \left (A b -B a \right )}{b^{2} \sqrt {b x +a}}+\frac {2 B \sqrt {b x +a}}{b^{2}}\) | \(35\) |
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none
Time = 0.22 (sec) , antiderivative size = 35, normalized size of antiderivative = 0.92 \[ \int \frac {A+B x}{(a+b x)^{3/2}} \, dx=\frac {2 \, {\left (B b x + 2 \, B a - A b\right )} \sqrt {b x + a}}{b^{3} x + a b^{2}} \]
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Time = 0.17 (sec) , antiderivative size = 60, normalized size of antiderivative = 1.58 \[ \int \frac {A+B x}{(a+b x)^{3/2}} \, dx=\begin {cases} - \frac {2 A}{b \sqrt {a + b x}} + \frac {4 B a}{b^{2} \sqrt {a + b x}} + \frac {2 B x}{b \sqrt {a + b x}} & \text {for}\: b \neq 0 \\\frac {A x + \frac {B x^{2}}{2}}{a^{\frac {3}{2}}} & \text {otherwise} \end {cases} \]
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none
Time = 0.21 (sec) , antiderivative size = 37, normalized size of antiderivative = 0.97 \[ \int \frac {A+B x}{(a+b x)^{3/2}} \, dx=\frac {2 \, {\left (\frac {\sqrt {b x + a} B}{b} + \frac {B a - A b}{\sqrt {b x + a} b}\right )}}{b} \]
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Time = 0.28 (sec) , antiderivative size = 34, normalized size of antiderivative = 0.89 \[ \int \frac {A+B x}{(a+b x)^{3/2}} \, dx=\frac {2 \, \sqrt {b x + a} B}{b^{2}} + \frac {2 \, {\left (B a - A b\right )}}{\sqrt {b x + a} b^{2}} \]
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Time = 0.38 (sec) , antiderivative size = 25, normalized size of antiderivative = 0.66 \[ \int \frac {A+B x}{(a+b x)^{3/2}} \, dx=\frac {4\,B\,a-2\,A\,b+2\,B\,b\,x}{b^2\,\sqrt {a+b\,x}} \]
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