Integrand size = 20, antiderivative size = 49 \[ \int \frac {A+B x}{x^{3/2} (a+b x)^{3/2}} \, dx=-\frac {2 A}{a \sqrt {x} \sqrt {a+b x}}-\frac {2 (2 A b-a B) \sqrt {x}}{a^2 \sqrt {a+b x}} \]
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Time = 0.01 (sec) , antiderivative size = 49, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.100, Rules used = {79, 37} \[ \int \frac {A+B x}{x^{3/2} (a+b x)^{3/2}} \, dx=-\frac {2 \sqrt {x} (2 A b-a B)}{a^2 \sqrt {a+b x}}-\frac {2 A}{a \sqrt {x} \sqrt {a+b x}} \]
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Rule 37
Rule 79
Rubi steps \begin{align*} \text {integral}& = -\frac {2 A}{a \sqrt {x} \sqrt {a+b x}}+\frac {\left (2 \left (-A b+\frac {a B}{2}\right )\right ) \int \frac {1}{\sqrt {x} (a+b x)^{3/2}} \, dx}{a} \\ & = -\frac {2 A}{a \sqrt {x} \sqrt {a+b x}}-\frac {2 (2 A b-a B) \sqrt {x}}{a^2 \sqrt {a+b x}} \\ \end{align*}
Time = 0.13 (sec) , antiderivative size = 33, normalized size of antiderivative = 0.67 \[ \int \frac {A+B x}{x^{3/2} (a+b x)^{3/2}} \, dx=-\frac {2 (a A+2 A b x-a B x)}{a^2 \sqrt {x} \sqrt {a+b x}} \]
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Time = 0.51 (sec) , antiderivative size = 30, normalized size of antiderivative = 0.61
method | result | size |
gosper | \(-\frac {2 \left (2 A b x -B a x +A a \right )}{\sqrt {x}\, \sqrt {b x +a}\, a^{2}}\) | \(30\) |
default | \(-\frac {2 \left (2 A b x -B a x +A a \right )}{\sqrt {x}\, \sqrt {b x +a}\, a^{2}}\) | \(30\) |
risch | \(-\frac {2 A \sqrt {b x +a}}{a^{2} \sqrt {x}}-\frac {2 \left (A b -B a \right ) \sqrt {x}}{a^{2} \sqrt {b x +a}}\) | \(41\) |
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none
Time = 0.23 (sec) , antiderivative size = 43, normalized size of antiderivative = 0.88 \[ \int \frac {A+B x}{x^{3/2} (a+b x)^{3/2}} \, dx=-\frac {2 \, {\left (A a - {\left (B a - 2 \, A b\right )} x\right )} \sqrt {b x + a} \sqrt {x}}{a^{2} b x^{2} + a^{3} x} \]
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Time = 5.21 (sec) , antiderivative size = 63, normalized size of antiderivative = 1.29 \[ \int \frac {A+B x}{x^{3/2} (a+b x)^{3/2}} \, dx=A \left (- \frac {2}{a \sqrt {b} x \sqrt {\frac {a}{b x} + 1}} - \frac {4 \sqrt {b}}{a^{2} \sqrt {\frac {a}{b x} + 1}}\right ) + \frac {2 B}{a \sqrt {b} \sqrt {\frac {a}{b x} + 1}} \]
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none
Time = 0.21 (sec) , antiderivative size = 55, normalized size of antiderivative = 1.12 \[ \int \frac {A+B x}{x^{3/2} (a+b x)^{3/2}} \, dx=\frac {2 \, B x}{\sqrt {b x^{2} + a x} a} - \frac {4 \, A b x}{\sqrt {b x^{2} + a x} a^{2}} - \frac {2 \, A}{\sqrt {b x^{2} + a x} a} \]
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Leaf count of result is larger than twice the leaf count of optimal. 160 vs. \(2 (40) = 80\).
Time = 0.32 (sec) , antiderivative size = 160, normalized size of antiderivative = 3.27 \[ \int \frac {A+B x}{x^{3/2} (a+b x)^{3/2}} \, dx=-\frac {2 \, \sqrt {b x + a} A b^{2}}{\sqrt {{\left (b x + a\right )} b - a b} a^{2} {\left | b \right |}} + \frac {4 \, {\left (B^{2} a^{2} b^{3} - 2 \, A B a b^{4} + A^{2} b^{5}\right )}}{{\left (B a {\left (\sqrt {b x + a} \sqrt {b} - \sqrt {{\left (b x + a\right )} b - a b}\right )}^{2} b^{\frac {3}{2}} + B a^{2} b^{\frac {5}{2}} - A {\left (\sqrt {b x + a} \sqrt {b} - \sqrt {{\left (b x + a\right )} b - a b}\right )}^{2} b^{\frac {5}{2}} - A a b^{\frac {7}{2}}\right )} a {\left | b \right |}} \]
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Time = 0.84 (sec) , antiderivative size = 50, normalized size of antiderivative = 1.02 \[ \int \frac {A+B x}{x^{3/2} (a+b x)^{3/2}} \, dx=-\frac {\left (\frac {2\,A}{a\,b}+\frac {x\,\left (4\,A\,b-2\,B\,a\right )}{a^2\,b}\right )\,\sqrt {a+b\,x}}{x^{3/2}+\frac {a\,\sqrt {x}}{b}} \]
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