Integrand size = 18, antiderivative size = 110 \[ \int \frac {A+B x}{x^3 (a+b x)^{3/2}} \, dx=\frac {3 b (5 A b-4 a B)}{4 a^3 \sqrt {a+b x}}-\frac {A}{2 a x^2 \sqrt {a+b x}}+\frac {5 A b-4 a B}{4 a^2 x \sqrt {a+b x}}-\frac {3 b (5 A b-4 a B) \text {arctanh}\left (\frac {\sqrt {a+b x}}{\sqrt {a}}\right )}{4 a^{7/2}} \]
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Time = 0.03 (sec) , antiderivative size = 110, normalized size of antiderivative = 1.00, number of steps used = 5, number of rules used = 5, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.278, Rules used = {79, 44, 53, 65, 214} \[ \int \frac {A+B x}{x^3 (a+b x)^{3/2}} \, dx=-\frac {3 b (5 A b-4 a B) \text {arctanh}\left (\frac {\sqrt {a+b x}}{\sqrt {a}}\right )}{4 a^{7/2}}+\frac {3 b (5 A b-4 a B)}{4 a^3 \sqrt {a+b x}}+\frac {5 A b-4 a B}{4 a^2 x \sqrt {a+b x}}-\frac {A}{2 a x^2 \sqrt {a+b x}} \]
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Rule 44
Rule 53
Rule 65
Rule 79
Rule 214
Rubi steps \begin{align*} \text {integral}& = -\frac {A}{2 a x^2 \sqrt {a+b x}}+\frac {\left (-\frac {5 A b}{2}+2 a B\right ) \int \frac {1}{x^2 (a+b x)^{3/2}} \, dx}{2 a} \\ & = -\frac {A}{2 a x^2 \sqrt {a+b x}}+\frac {5 A b-4 a B}{4 a^2 x \sqrt {a+b x}}+\frac {(3 b (5 A b-4 a B)) \int \frac {1}{x (a+b x)^{3/2}} \, dx}{8 a^2} \\ & = \frac {3 b (5 A b-4 a B)}{4 a^3 \sqrt {a+b x}}-\frac {A}{2 a x^2 \sqrt {a+b x}}+\frac {5 A b-4 a B}{4 a^2 x \sqrt {a+b x}}+\frac {(3 b (5 A b-4 a B)) \int \frac {1}{x \sqrt {a+b x}} \, dx}{8 a^3} \\ & = \frac {3 b (5 A b-4 a B)}{4 a^3 \sqrt {a+b x}}-\frac {A}{2 a x^2 \sqrt {a+b x}}+\frac {5 A b-4 a B}{4 a^2 x \sqrt {a+b x}}+\frac {(3 (5 A b-4 a B)) \text {Subst}\left (\int \frac {1}{-\frac {a}{b}+\frac {x^2}{b}} \, dx,x,\sqrt {a+b x}\right )}{4 a^3} \\ & = \frac {3 b (5 A b-4 a B)}{4 a^3 \sqrt {a+b x}}-\frac {A}{2 a x^2 \sqrt {a+b x}}+\frac {5 A b-4 a B}{4 a^2 x \sqrt {a+b x}}-\frac {3 b (5 A b-4 a B) \tanh ^{-1}\left (\frac {\sqrt {a+b x}}{\sqrt {a}}\right )}{4 a^{7/2}} \\ \end{align*}
Time = 0.18 (sec) , antiderivative size = 88, normalized size of antiderivative = 0.80 \[ \int \frac {A+B x}{x^3 (a+b x)^{3/2}} \, dx=\frac {15 A b^2 x^2+a b x (5 A-12 B x)-2 a^2 (A+2 B x)}{4 a^3 x^2 \sqrt {a+b x}}+\frac {3 b (-5 A b+4 a B) \text {arctanh}\left (\frac {\sqrt {a+b x}}{\sqrt {a}}\right )}{4 a^{7/2}} \]
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Time = 0.56 (sec) , antiderivative size = 82, normalized size of antiderivative = 0.75
method | result | size |
pseudoelliptic | \(-\frac {15 \left (-\frac {x \left (-\frac {12 B x}{5}+A \right ) b \,a^{\frac {3}{2}}}{3}+\frac {2 \left (2 B x +A \right ) a^{\frac {5}{2}}}{15}+x^{2} b \left (-A b \sqrt {a}+\sqrt {b x +a}\, \left (A b -\frac {4 B a}{5}\right ) \operatorname {arctanh}\left (\frac {\sqrt {b x +a}}{\sqrt {a}}\right )\right )\right )}{4 \sqrt {b x +a}\, a^{\frac {7}{2}} x^{2}}\) | \(82\) |
risch | \(-\frac {\sqrt {b x +a}\, \left (-7 A b x +4 B a x +2 A a \right )}{4 a^{3} x^{2}}+\frac {b \left (-\frac {2 \left (-8 A b +8 B a \right )}{\sqrt {b x +a}}-\frac {2 \left (15 A b -12 B a \right ) \operatorname {arctanh}\left (\frac {\sqrt {b x +a}}{\sqrt {a}}\right )}{\sqrt {a}}\right )}{8 a^{3}}\) | \(83\) |
derivativedivides | \(2 b \left (-\frac {\frac {\left (-\frac {7 A b}{8}+\frac {B a}{2}\right ) \left (b x +a \right )^{\frac {3}{2}}+\left (\frac {9}{8} a b A -\frac {1}{2} a^{2} B \right ) \sqrt {b x +a}}{b^{2} x^{2}}+\frac {3 \left (5 A b -4 B a \right ) \operatorname {arctanh}\left (\frac {\sqrt {b x +a}}{\sqrt {a}}\right )}{8 \sqrt {a}}}{a^{3}}-\frac {-A b +B a}{a^{3} \sqrt {b x +a}}\right )\) | \(102\) |
default | \(2 b \left (-\frac {\frac {\left (-\frac {7 A b}{8}+\frac {B a}{2}\right ) \left (b x +a \right )^{\frac {3}{2}}+\left (\frac {9}{8} a b A -\frac {1}{2} a^{2} B \right ) \sqrt {b x +a}}{b^{2} x^{2}}+\frac {3 \left (5 A b -4 B a \right ) \operatorname {arctanh}\left (\frac {\sqrt {b x +a}}{\sqrt {a}}\right )}{8 \sqrt {a}}}{a^{3}}-\frac {-A b +B a}{a^{3} \sqrt {b x +a}}\right )\) | \(102\) |
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Time = 0.23 (sec) , antiderivative size = 275, normalized size of antiderivative = 2.50 \[ \int \frac {A+B x}{x^3 (a+b x)^{3/2}} \, dx=\left [-\frac {3 \, {\left ({\left (4 \, B a b^{2} - 5 \, A b^{3}\right )} x^{3} + {\left (4 \, B a^{2} b - 5 \, A a b^{2}\right )} x^{2}\right )} \sqrt {a} \log \left (\frac {b x - 2 \, \sqrt {b x + a} \sqrt {a} + 2 \, a}{x}\right ) + 2 \, {\left (2 \, A a^{3} + 3 \, {\left (4 \, B a^{2} b - 5 \, A a b^{2}\right )} x^{2} + {\left (4 \, B a^{3} - 5 \, A a^{2} b\right )} x\right )} \sqrt {b x + a}}{8 \, {\left (a^{4} b x^{3} + a^{5} x^{2}\right )}}, -\frac {3 \, {\left ({\left (4 \, B a b^{2} - 5 \, A b^{3}\right )} x^{3} + {\left (4 \, B a^{2} b - 5 \, A a b^{2}\right )} x^{2}\right )} \sqrt {-a} \arctan \left (\frac {\sqrt {b x + a} \sqrt {-a}}{a}\right ) + {\left (2 \, A a^{3} + 3 \, {\left (4 \, B a^{2} b - 5 \, A a b^{2}\right )} x^{2} + {\left (4 \, B a^{3} - 5 \, A a^{2} b\right )} x\right )} \sqrt {b x + a}}{4 \, {\left (a^{4} b x^{3} + a^{5} x^{2}\right )}}\right ] \]
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Time = 45.74 (sec) , antiderivative size = 185, normalized size of antiderivative = 1.68 \[ \int \frac {A+B x}{x^3 (a+b x)^{3/2}} \, dx=A \left (- \frac {1}{2 a \sqrt {b} x^{\frac {5}{2}} \sqrt {\frac {a}{b x} + 1}} + \frac {5 \sqrt {b}}{4 a^{2} x^{\frac {3}{2}} \sqrt {\frac {a}{b x} + 1}} + \frac {15 b^{\frac {3}{2}}}{4 a^{3} \sqrt {x} \sqrt {\frac {a}{b x} + 1}} - \frac {15 b^{2} \operatorname {asinh}{\left (\frac {\sqrt {a}}{\sqrt {b} \sqrt {x}} \right )}}{4 a^{\frac {7}{2}}}\right ) + B \left (- \frac {1}{a \sqrt {b} x^{\frac {3}{2}} \sqrt {\frac {a}{b x} + 1}} - \frac {3 \sqrt {b}}{a^{2} \sqrt {x} \sqrt {\frac {a}{b x} + 1}} + \frac {3 b \operatorname {asinh}{\left (\frac {\sqrt {a}}{\sqrt {b} \sqrt {x}} \right )}}{a^{\frac {5}{2}}}\right ) \]
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Time = 0.27 (sec) , antiderivative size = 144, normalized size of antiderivative = 1.31 \[ \int \frac {A+B x}{x^3 (a+b x)^{3/2}} \, dx=-\frac {1}{8} \, b^{2} {\left (\frac {2 \, {\left (8 \, B a^{3} - 8 \, A a^{2} b + 3 \, {\left (4 \, B a - 5 \, A b\right )} {\left (b x + a\right )}^{2} - 5 \, {\left (4 \, B a^{2} - 5 \, A a b\right )} {\left (b x + a\right )}\right )}}{{\left (b x + a\right )}^{\frac {5}{2}} a^{3} b - 2 \, {\left (b x + a\right )}^{\frac {3}{2}} a^{4} b + \sqrt {b x + a} a^{5} b} + \frac {3 \, {\left (4 \, B a - 5 \, A b\right )} \log \left (\frac {\sqrt {b x + a} - \sqrt {a}}{\sqrt {b x + a} + \sqrt {a}}\right )}{a^{\frac {7}{2}} b}\right )} \]
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Time = 0.31 (sec) , antiderivative size = 125, normalized size of antiderivative = 1.14 \[ \int \frac {A+B x}{x^3 (a+b x)^{3/2}} \, dx=-\frac {3 \, {\left (4 \, B a b - 5 \, A b^{2}\right )} \arctan \left (\frac {\sqrt {b x + a}}{\sqrt {-a}}\right )}{4 \, \sqrt {-a} a^{3}} - \frac {2 \, {\left (B a b - A b^{2}\right )}}{\sqrt {b x + a} a^{3}} - \frac {4 \, {\left (b x + a\right )}^{\frac {3}{2}} B a b - 4 \, \sqrt {b x + a} B a^{2} b - 7 \, {\left (b x + a\right )}^{\frac {3}{2}} A b^{2} + 9 \, \sqrt {b x + a} A a b^{2}}{4 \, a^{3} b^{2} x^{2}} \]
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Time = 0.59 (sec) , antiderivative size = 123, normalized size of antiderivative = 1.12 \[ \int \frac {A+B x}{x^3 (a+b x)^{3/2}} \, dx=\frac {\frac {2\,\left (A\,b^2-B\,a\,b\right )}{a}-\frac {5\,\left (5\,A\,b^2-4\,B\,a\,b\right )\,\left (a+b\,x\right )}{4\,a^2}+\frac {3\,\left (5\,A\,b^2-4\,B\,a\,b\right )\,{\left (a+b\,x\right )}^2}{4\,a^3}}{{\left (a+b\,x\right )}^{5/2}-2\,a\,{\left (a+b\,x\right )}^{3/2}+a^2\,\sqrt {a+b\,x}}-\frac {3\,b\,\mathrm {atanh}\left (\frac {\sqrt {a+b\,x}}{\sqrt {a}}\right )\,\left (5\,A\,b-4\,B\,a\right )}{4\,a^{7/2}} \]
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