Integrand size = 15, antiderivative size = 40 \[ \int \frac {A+B x}{(a+b x)^{5/2}} \, dx=-\frac {2 (A b-a B)}{3 b^2 (a+b x)^{3/2}}-\frac {2 B}{b^2 \sqrt {a+b x}} \]
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Time = 0.01 (sec) , antiderivative size = 40, 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} \[ \int \frac {A+B x}{(a+b x)^{5/2}} \, dx=-\frac {2 (A b-a B)}{3 b^2 (a+b x)^{3/2}}-\frac {2 B}{b^2 \sqrt {a+b x}} \]
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Rule 45
Rubi steps \begin{align*} \text {integral}& = \int \left (\frac {A b-a B}{b (a+b x)^{5/2}}+\frac {B}{b (a+b x)^{3/2}}\right ) \, dx \\ & = -\frac {2 (A b-a B)}{3 b^2 (a+b x)^{3/2}}-\frac {2 B}{b^2 \sqrt {a+b x}} \\ \end{align*}
Time = 0.03 (sec) , antiderivative size = 29, normalized size of antiderivative = 0.72 \[ \int \frac {A+B x}{(a+b x)^{5/2}} \, dx=-\frac {2 (A b+2 a B+3 b B x)}{3 b^2 (a+b x)^{3/2}} \]
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Time = 0.51 (sec) , antiderivative size = 26, normalized size of antiderivative = 0.65
method | result | size |
gosper | \(-\frac {2 \left (3 b B x +A b +2 B a \right )}{3 \left (b x +a \right )^{\frac {3}{2}} b^{2}}\) | \(26\) |
trager | \(-\frac {2 \left (3 b B x +A b +2 B a \right )}{3 \left (b x +a \right )^{\frac {3}{2}} b^{2}}\) | \(26\) |
pseudoelliptic | \(-\frac {2 \left (\left (3 B x +A \right ) b +2 B a \right )}{3 \left (b x +a \right )^{\frac {3}{2}} b^{2}}\) | \(26\) |
derivativedivides | \(\frac {-\frac {2 B}{\sqrt {b x +a}}-\frac {2 \left (A b -B a \right )}{3 \left (b x +a \right )^{\frac {3}{2}}}}{b^{2}}\) | \(34\) |
default | \(\frac {-\frac {2 B}{\sqrt {b x +a}}-\frac {2 \left (A b -B a \right )}{3 \left (b x +a \right )^{\frac {3}{2}}}}{b^{2}}\) | \(34\) |
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Time = 0.22 (sec) , antiderivative size = 46, normalized size of antiderivative = 1.15 \[ \int \frac {A+B x}{(a+b x)^{5/2}} \, dx=-\frac {2 \, {\left (3 \, B b x + 2 \, B a + A b\right )} \sqrt {b x + a}}{3 \, {\left (b^{4} x^{2} + 2 \, a b^{3} x + a^{2} b^{2}\right )}} \]
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Leaf count of result is larger than twice the leaf count of optimal. 124 vs. \(2 (39) = 78\).
Time = 0.32 (sec) , antiderivative size = 124, normalized size of antiderivative = 3.10 \[ \int \frac {A+B x}{(a+b x)^{5/2}} \, dx=\begin {cases} - \frac {2 A b}{3 a b^{2} \sqrt {a + b x} + 3 b^{3} x \sqrt {a + b x}} - \frac {4 B a}{3 a b^{2} \sqrt {a + b x} + 3 b^{3} x \sqrt {a + b x}} - \frac {6 B b x}{3 a b^{2} \sqrt {a + b x} + 3 b^{3} x \sqrt {a + b x}} & \text {for}\: b \neq 0 \\\frac {A x + \frac {B x^{2}}{2}}{a^{\frac {5}{2}}} & \text {otherwise} \end {cases} \]
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Time = 0.19 (sec) , antiderivative size = 28, normalized size of antiderivative = 0.70 \[ \int \frac {A+B x}{(a+b x)^{5/2}} \, dx=-\frac {2 \, {\left (3 \, {\left (b x + a\right )} B - B a + A b\right )}}{3 \, {\left (b x + a\right )}^{\frac {3}{2}} b^{2}} \]
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Time = 0.30 (sec) , antiderivative size = 28, normalized size of antiderivative = 0.70 \[ \int \frac {A+B x}{(a+b x)^{5/2}} \, dx=-\frac {2 \, {\left (3 \, {\left (b x + a\right )} B - B a + A b\right )}}{3 \, {\left (b x + a\right )}^{\frac {3}{2}} b^{2}} \]
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Time = 0.05 (sec) , antiderivative size = 29, normalized size of antiderivative = 0.72 \[ \int \frac {A+B x}{(a+b x)^{5/2}} \, dx=-\frac {2\,A\,b-2\,B\,a+6\,B\,\left (a+b\,x\right )}{3\,b^2\,{\left (a+b\,x\right )}^{3/2}} \]
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