Integrand size = 21, antiderivative size = 122 \[ \int \frac {\left (c+\frac {d}{x}\right )^2}{\left (a+\frac {b}{x}\right )^{5/2}} \, dx=\frac {2 a^2 d^2+b c (5 b c-4 a d)}{3 a^2 b \left (a+\frac {b}{x}\right )^{3/2}}+\frac {c (5 b c-4 a d)}{a^3 \sqrt {a+\frac {b}{x}}}+\frac {c^2 x}{a \left (a+\frac {b}{x}\right )^{3/2}}-\frac {c (5 b c-4 a d) \text {arctanh}\left (\frac {\sqrt {a+\frac {b}{x}}}{\sqrt {a}}\right )}{a^{7/2}} \]
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Time = 0.08 (sec) , antiderivative size = 121, normalized size of antiderivative = 0.99, number of steps used = 6, number of rules used = 6, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.286, Rules used = {382, 91, 79, 53, 65, 214} \[ \int \frac {\left (c+\frac {d}{x}\right )^2}{\left (a+\frac {b}{x}\right )^{5/2}} \, dx=-\frac {c \text {arctanh}\left (\frac {\sqrt {a+\frac {b}{x}}}{\sqrt {a}}\right ) (5 b c-4 a d)}{a^{7/2}}+\frac {c (5 b c-4 a d)}{a^3 \sqrt {a+\frac {b}{x}}}+\frac {\frac {5 b c^2}{a}+\frac {2 a d^2}{b}-4 c d}{3 a \left (a+\frac {b}{x}\right )^{3/2}}+\frac {c^2 x}{a \left (a+\frac {b}{x}\right )^{3/2}} \]
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Rule 53
Rule 65
Rule 79
Rule 91
Rule 214
Rule 382
Rubi steps \begin{align*} \text {integral}& = -\text {Subst}\left (\int \frac {(c+d x)^2}{x^2 (a+b x)^{5/2}} \, dx,x,\frac {1}{x}\right ) \\ & = \frac {c^2 x}{a \left (a+\frac {b}{x}\right )^{3/2}}-\frac {\text {Subst}\left (\int \frac {-\frac {1}{2} c (5 b c-4 a d)+a d^2 x}{x (a+b x)^{5/2}} \, dx,x,\frac {1}{x}\right )}{a} \\ & = \frac {\frac {5 b c^2}{a}-4 c d+\frac {2 a d^2}{b}}{3 a \left (a+\frac {b}{x}\right )^{3/2}}+\frac {c^2 x}{a \left (a+\frac {b}{x}\right )^{3/2}}+\frac {(c (5 b c-4 a d)) \text {Subst}\left (\int \frac {1}{x (a+b x)^{3/2}} \, dx,x,\frac {1}{x}\right )}{2 a^2} \\ & = \frac {\frac {5 b c^2}{a}-4 c d+\frac {2 a d^2}{b}}{3 a \left (a+\frac {b}{x}\right )^{3/2}}+\frac {c (5 b c-4 a d)}{a^3 \sqrt {a+\frac {b}{x}}}+\frac {c^2 x}{a \left (a+\frac {b}{x}\right )^{3/2}}+\frac {(c (5 b c-4 a d)) \text {Subst}\left (\int \frac {1}{x \sqrt {a+b x}} \, dx,x,\frac {1}{x}\right )}{2 a^3} \\ & = \frac {\frac {5 b c^2}{a}-4 c d+\frac {2 a d^2}{b}}{3 a \left (a+\frac {b}{x}\right )^{3/2}}+\frac {c (5 b c-4 a d)}{a^3 \sqrt {a+\frac {b}{x}}}+\frac {c^2 x}{a \left (a+\frac {b}{x}\right )^{3/2}}+\frac {(c (5 b c-4 a d)) \text {Subst}\left (\int \frac {1}{-\frac {a}{b}+\frac {x^2}{b}} \, dx,x,\sqrt {a+\frac {b}{x}}\right )}{a^3 b} \\ & = \frac {\frac {5 b c^2}{a}-4 c d+\frac {2 a d^2}{b}}{3 a \left (a+\frac {b}{x}\right )^{3/2}}+\frac {c (5 b c-4 a d)}{a^3 \sqrt {a+\frac {b}{x}}}+\frac {c^2 x}{a \left (a+\frac {b}{x}\right )^{3/2}}-\frac {c (5 b c-4 a d) \tanh ^{-1}\left (\frac {\sqrt {a+\frac {b}{x}}}{\sqrt {a}}\right )}{a^{7/2}} \\ \end{align*}
Time = 0.28 (sec) , antiderivative size = 112, normalized size of antiderivative = 0.92 \[ \int \frac {\left (c+\frac {d}{x}\right )^2}{\left (a+\frac {b}{x}\right )^{5/2}} \, dx=\frac {\sqrt {a+\frac {b}{x}} x \left (15 b^3 c^2+2 a^3 d^2 x+a^2 b c x (-16 d+3 c x)+4 a b^2 c (-3 d+5 c x)\right )}{3 a^3 b (b+a x)^2}+\frac {c (-5 b c+4 a d) \text {arctanh}\left (\frac {\sqrt {a+\frac {b}{x}}}{\sqrt {a}}\right )}{a^{7/2}} \]
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Leaf count of result is larger than twice the leaf count of optimal. \(286\) vs. \(2(108)=216\).
Time = 0.19 (sec) , antiderivative size = 287, normalized size of antiderivative = 2.35
method | result | size |
risch | \(\frac {c^{2} \left (a x +b \right )}{a^{3} \sqrt {\frac {a x +b}{x}}}+\frac {\left (-\frac {5 b \,c^{2} \ln \left (\frac {\frac {b}{2}+a x}{\sqrt {a}}+\sqrt {a \,x^{2}+b x}\right )}{\sqrt {a}}+4 \sqrt {a}\, c d \ln \left (\frac {\frac {b}{2}+a x}{\sqrt {a}}+\sqrt {a \,x^{2}+b x}\right )+\frac {2 \left (2 a^{2} d^{2}-8 a b c d +6 b^{2} c^{2}\right ) \sqrt {a \left (x +\frac {b}{a}\right )^{2}-b \left (x +\frac {b}{a}\right )}}{a b \left (x +\frac {b}{a}\right )}-\frac {2 \left (a^{2} d^{2}-2 a b c d +b^{2} c^{2}\right ) b \left (\frac {2 \sqrt {a \left (x +\frac {b}{a}\right )^{2}-b \left (x +\frac {b}{a}\right )}}{3 b \left (x +\frac {b}{a}\right )^{2}}+\frac {4 a \sqrt {a \left (x +\frac {b}{a}\right )^{2}-b \left (x +\frac {b}{a}\right )}}{3 b^{2} \left (x +\frac {b}{a}\right )}\right )}{a^{2}}\right ) \sqrt {x \left (a x +b \right )}}{2 a^{3} x \sqrt {\frac {a x +b}{x}}}\) | \(287\) |
default | \(-\frac {\sqrt {\frac {a x +b}{x}}\, x \left (24 a^{\frac {9}{2}} \sqrt {x \left (a x +b \right )}\, c d \,x^{3}-30 a^{\frac {7}{2}} \sqrt {x \left (a x +b \right )}\, b \,c^{2} x^{3}-24 a^{\frac {7}{2}} \left (x \left (a x +b \right )\right )^{\frac {3}{2}} c d x +72 \sqrt {x \left (a x +b \right )}\, a^{\frac {7}{2}} b c d \,x^{2}-4 \left (x \left (a x +b \right )\right )^{\frac {3}{2}} a^{\frac {7}{2}} d^{2}+24 a^{\frac {5}{2}} \left (x \left (a x +b \right )\right )^{\frac {3}{2}} b \,c^{2} x -90 \sqrt {x \left (a x +b \right )}\, a^{\frac {5}{2}} b^{2} c^{2} x^{2}-16 \left (x \left (a x +b \right )\right )^{\frac {3}{2}} a^{\frac {5}{2}} b c d +72 \sqrt {x \left (a x +b \right )}\, a^{\frac {5}{2}} b^{2} c d x -12 \ln \left (\frac {2 \sqrt {x \left (a x +b \right )}\, \sqrt {a}+2 a x +b}{2 \sqrt {a}}\right ) a^{4} b c d \,x^{3}+15 \ln \left (\frac {2 \sqrt {x \left (a x +b \right )}\, \sqrt {a}+2 a x +b}{2 \sqrt {a}}\right ) a^{3} b^{2} c^{2} x^{3}+20 \left (x \left (a x +b \right )\right )^{\frac {3}{2}} a^{\frac {3}{2}} b^{2} c^{2}-90 \sqrt {x \left (a x +b \right )}\, a^{\frac {3}{2}} b^{3} c^{2} x -36 \ln \left (\frac {2 \sqrt {x \left (a x +b \right )}\, \sqrt {a}+2 a x +b}{2 \sqrt {a}}\right ) a^{3} b^{2} c d \,x^{2}+45 \ln \left (\frac {2 \sqrt {x \left (a x +b \right )}\, \sqrt {a}+2 a x +b}{2 \sqrt {a}}\right ) a^{2} b^{3} c^{2} x^{2}+24 \sqrt {x \left (a x +b \right )}\, a^{\frac {3}{2}} b^{3} c d -36 \ln \left (\frac {2 \sqrt {x \left (a x +b \right )}\, \sqrt {a}+2 a x +b}{2 \sqrt {a}}\right ) a^{2} b^{3} c d x +45 \ln \left (\frac {2 \sqrt {x \left (a x +b \right )}\, \sqrt {a}+2 a x +b}{2 \sqrt {a}}\right ) a \,b^{4} c^{2} x -30 \sqrt {x \left (a x +b \right )}\, \sqrt {a}\, b^{4} c^{2}-12 \ln \left (\frac {2 \sqrt {x \left (a x +b \right )}\, \sqrt {a}+2 a x +b}{2 \sqrt {a}}\right ) a \,b^{4} c d +15 \ln \left (\frac {2 \sqrt {x \left (a x +b \right )}\, \sqrt {a}+2 a x +b}{2 \sqrt {a}}\right ) b^{5} c^{2}\right )}{6 a^{\frac {7}{2}} \sqrt {x \left (a x +b \right )}\, b \left (a x +b \right )^{3}}\) | \(588\) |
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Time = 0.27 (sec) , antiderivative size = 407, normalized size of antiderivative = 3.34 \[ \int \frac {\left (c+\frac {d}{x}\right )^2}{\left (a+\frac {b}{x}\right )^{5/2}} \, dx=\left [-\frac {3 \, {\left (5 \, b^{4} c^{2} - 4 \, a b^{3} c d + {\left (5 \, a^{2} b^{2} c^{2} - 4 \, a^{3} b c d\right )} x^{2} + 2 \, {\left (5 \, a b^{3} c^{2} - 4 \, a^{2} b^{2} c d\right )} x\right )} \sqrt {a} \log \left (2 \, a x + 2 \, \sqrt {a} x \sqrt {\frac {a x + b}{x}} + b\right ) - 2 \, {\left (3 \, a^{3} b c^{2} x^{3} + 2 \, {\left (10 \, a^{2} b^{2} c^{2} - 8 \, a^{3} b c d + a^{4} d^{2}\right )} x^{2} + 3 \, {\left (5 \, a b^{3} c^{2} - 4 \, a^{2} b^{2} c d\right )} x\right )} \sqrt {\frac {a x + b}{x}}}{6 \, {\left (a^{6} b x^{2} + 2 \, a^{5} b^{2} x + a^{4} b^{3}\right )}}, \frac {3 \, {\left (5 \, b^{4} c^{2} - 4 \, a b^{3} c d + {\left (5 \, a^{2} b^{2} c^{2} - 4 \, a^{3} b c d\right )} x^{2} + 2 \, {\left (5 \, a b^{3} c^{2} - 4 \, a^{2} b^{2} c d\right )} x\right )} \sqrt {-a} \arctan \left (\frac {\sqrt {-a} \sqrt {\frac {a x + b}{x}}}{a}\right ) + {\left (3 \, a^{3} b c^{2} x^{3} + 2 \, {\left (10 \, a^{2} b^{2} c^{2} - 8 \, a^{3} b c d + a^{4} d^{2}\right )} x^{2} + 3 \, {\left (5 \, a b^{3} c^{2} - 4 \, a^{2} b^{2} c d\right )} x\right )} \sqrt {\frac {a x + b}{x}}}{3 \, {\left (a^{6} b x^{2} + 2 \, a^{5} b^{2} x + a^{4} b^{3}\right )}}\right ] \]
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\[ \int \frac {\left (c+\frac {d}{x}\right )^2}{\left (a+\frac {b}{x}\right )^{5/2}} \, dx=\int \frac {\left (c x + d\right )^{2}}{x^{2} \left (a + \frac {b}{x}\right )^{\frac {5}{2}}}\, dx \]
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Time = 0.34 (sec) , antiderivative size = 190, normalized size of antiderivative = 1.56 \[ \int \frac {\left (c+\frac {d}{x}\right )^2}{\left (a+\frac {b}{x}\right )^{5/2}} \, dx=\frac {1}{6} \, c^{2} {\left (\frac {2 \, {\left (15 \, {\left (a + \frac {b}{x}\right )}^{2} b - 10 \, {\left (a + \frac {b}{x}\right )} a b - 2 \, a^{2} b\right )}}{{\left (a + \frac {b}{x}\right )}^{\frac {5}{2}} a^{3} - {\left (a + \frac {b}{x}\right )}^{\frac {3}{2}} a^{4}} + \frac {15 \, b \log \left (\frac {\sqrt {a + \frac {b}{x}} - \sqrt {a}}{\sqrt {a + \frac {b}{x}} + \sqrt {a}}\right )}{a^{\frac {7}{2}}}\right )} - \frac {2}{3} \, c d {\left (\frac {3 \, \log \left (\frac {\sqrt {a + \frac {b}{x}} - \sqrt {a}}{\sqrt {a + \frac {b}{x}} + \sqrt {a}}\right )}{a^{\frac {5}{2}}} + \frac {2 \, {\left (4 \, a + \frac {3 \, b}{x}\right )}}{{\left (a + \frac {b}{x}\right )}^{\frac {3}{2}} a^{2}}\right )} + \frac {2 \, d^{2}}{3 \, {\left (a + \frac {b}{x}\right )}^{\frac {3}{2}} b} \]
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Leaf count of result is larger than twice the leaf count of optimal. 363 vs. \(2 (108) = 216\).
Time = 0.31 (sec) , antiderivative size = 363, normalized size of antiderivative = 2.98 \[ \int \frac {\left (c+\frac {d}{x}\right )^2}{\left (a+\frac {b}{x}\right )^{5/2}} \, dx=\frac {\sqrt {a x^{2} + b x} c^{2}}{a^{3} \mathrm {sgn}\left (x\right )} + \frac {{\left (5 \, b c^{2} - 4 \, a c d\right )} \log \left ({\left | 2 \, {\left (\sqrt {a} x - \sqrt {a x^{2} + b x}\right )} \sqrt {a} + b \right |}\right )}{2 \, a^{\frac {7}{2}} \mathrm {sgn}\left (x\right )} - \frac {{\left (15 \, b^{2} c^{2} \log \left ({\left | b \right |}\right ) - 12 \, a b c d \log \left ({\left | b \right |}\right ) + 28 \, b^{2} c^{2} - 32 \, a b c d + 4 \, a^{2} d^{2}\right )} \mathrm {sgn}\left (x\right )}{6 \, a^{\frac {7}{2}} b} + \frac {2 \, {\left (9 \, {\left (\sqrt {a} x - \sqrt {a x^{2} + b x}\right )}^{2} a b^{2} c^{2} - 12 \, {\left (\sqrt {a} x - \sqrt {a x^{2} + b x}\right )}^{2} a^{2} b c d + 3 \, {\left (\sqrt {a} x - \sqrt {a x^{2} + b x}\right )}^{2} a^{3} d^{2} + 15 \, {\left (\sqrt {a} x - \sqrt {a x^{2} + b x}\right )} \sqrt {a} b^{3} c^{2} - 18 \, {\left (\sqrt {a} x - \sqrt {a x^{2} + b x}\right )} a^{\frac {3}{2}} b^{2} c d + 3 \, {\left (\sqrt {a} x - \sqrt {a x^{2} + b x}\right )} a^{\frac {5}{2}} b d^{2} + 7 \, b^{4} c^{2} - 8 \, a b^{3} c d + a^{2} b^{2} d^{2}\right )}}{3 \, {\left ({\left (\sqrt {a} x - \sqrt {a x^{2} + b x}\right )} \sqrt {a} + b\right )}^{3} a^{\frac {7}{2}} \mathrm {sgn}\left (x\right )} \]
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Time = 6.29 (sec) , antiderivative size = 144, normalized size of antiderivative = 1.18 \[ \int \frac {\left (c+\frac {d}{x}\right )^2}{\left (a+\frac {b}{x}\right )^{5/2}} \, dx=\frac {\frac {2\,\left (a+\frac {b}{x}\right )\,\left (a^2\,d^2+4\,a\,b\,c\,d-5\,b^2\,c^2\right )}{3\,a^2}-\frac {2\,\left (a^2\,d^2-2\,a\,b\,c\,d+b^2\,c^2\right )}{3\,a}+\frac {b\,{\left (a+\frac {b}{x}\right )}^2\,\left (5\,b\,c^2-4\,a\,c\,d\right )}{a^3}}{b\,{\left (a+\frac {b}{x}\right )}^{5/2}-a\,b\,{\left (a+\frac {b}{x}\right )}^{3/2}}+\frac {c\,\mathrm {atanh}\left (\frac {\sqrt {a+\frac {b}{x}}}{\sqrt {a}}\right )\,\left (4\,a\,d-5\,b\,c\right )}{a^{7/2}} \]
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