Optimal. Leaf size=114 \[ -\frac {105}{8} a^{3/2} b^3 \tanh ^{-1}\left (\frac {\sqrt {a+b x}}{\sqrt {a}}\right )+\frac {35}{8} b^3 (a+b x)^{3/2}+\frac {105}{8} a b^3 \sqrt {a+b x}-\frac {21 b^2 (a+b x)^{5/2}}{8 x}-\frac {(a+b x)^{9/2}}{3 x^3}-\frac {3 b (a+b x)^{7/2}}{4 x^2} \]
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Rubi [A] time = 0.04, antiderivative size = 114, normalized size of antiderivative = 1.00, number of steps used = 7, number of rules used = 4, integrand size = 13, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.308, Rules used = {47, 50, 63, 208} \[ -\frac {105}{8} a^{3/2} b^3 \tanh ^{-1}\left (\frac {\sqrt {a+b x}}{\sqrt {a}}\right )-\frac {21 b^2 (a+b x)^{5/2}}{8 x}+\frac {35}{8} b^3 (a+b x)^{3/2}+\frac {105}{8} a b^3 \sqrt {a+b x}-\frac {(a+b x)^{9/2}}{3 x^3}-\frac {3 b (a+b x)^{7/2}}{4 x^2} \]
Antiderivative was successfully verified.
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Rule 47
Rule 50
Rule 63
Rule 208
Rubi steps
\begin {align*} \int \frac {(a+b x)^{9/2}}{x^4} \, dx &=-\frac {(a+b x)^{9/2}}{3 x^3}+\frac {1}{2} (3 b) \int \frac {(a+b x)^{7/2}}{x^3} \, dx\\ &=-\frac {3 b (a+b x)^{7/2}}{4 x^2}-\frac {(a+b x)^{9/2}}{3 x^3}+\frac {1}{8} \left (21 b^2\right ) \int \frac {(a+b x)^{5/2}}{x^2} \, dx\\ &=-\frac {21 b^2 (a+b x)^{5/2}}{8 x}-\frac {3 b (a+b x)^{7/2}}{4 x^2}-\frac {(a+b x)^{9/2}}{3 x^3}+\frac {1}{16} \left (105 b^3\right ) \int \frac {(a+b x)^{3/2}}{x} \, dx\\ &=\frac {35}{8} b^3 (a+b x)^{3/2}-\frac {21 b^2 (a+b x)^{5/2}}{8 x}-\frac {3 b (a+b x)^{7/2}}{4 x^2}-\frac {(a+b x)^{9/2}}{3 x^3}+\frac {1}{16} \left (105 a b^3\right ) \int \frac {\sqrt {a+b x}}{x} \, dx\\ &=\frac {105}{8} a b^3 \sqrt {a+b x}+\frac {35}{8} b^3 (a+b x)^{3/2}-\frac {21 b^2 (a+b x)^{5/2}}{8 x}-\frac {3 b (a+b x)^{7/2}}{4 x^2}-\frac {(a+b x)^{9/2}}{3 x^3}+\frac {1}{16} \left (105 a^2 b^3\right ) \int \frac {1}{x \sqrt {a+b x}} \, dx\\ &=\frac {105}{8} a b^3 \sqrt {a+b x}+\frac {35}{8} b^3 (a+b x)^{3/2}-\frac {21 b^2 (a+b x)^{5/2}}{8 x}-\frac {3 b (a+b x)^{7/2}}{4 x^2}-\frac {(a+b x)^{9/2}}{3 x^3}+\frac {1}{8} \left (105 a^2 b^2\right ) \operatorname {Subst}\left (\int \frac {1}{-\frac {a}{b}+\frac {x^2}{b}} \, dx,x,\sqrt {a+b x}\right )\\ &=\frac {105}{8} a b^3 \sqrt {a+b x}+\frac {35}{8} b^3 (a+b x)^{3/2}-\frac {21 b^2 (a+b x)^{5/2}}{8 x}-\frac {3 b (a+b x)^{7/2}}{4 x^2}-\frac {(a+b x)^{9/2}}{3 x^3}-\frac {105}{8} a^{3/2} b^3 \tanh ^{-1}\left (\frac {\sqrt {a+b x}}{\sqrt {a}}\right )\\ \end {align*}
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Mathematica [C] time = 0.01, size = 35, normalized size = 0.31 \[ \frac {2 b^3 (a+b x)^{11/2} \, _2F_1\left (4,\frac {11}{2};\frac {13}{2};\frac {b x}{a}+1\right )}{11 a^4} \]
Antiderivative was successfully verified.
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fricas [A] time = 0.48, size = 178, normalized size = 1.56 \[ \left [\frac {315 \, a^{\frac {3}{2}} b^{3} x^{3} \log \left (\frac {b x - 2 \, \sqrt {b x + a} \sqrt {a} + 2 \, a}{x}\right ) + 2 \, {\left (16 \, b^{4} x^{4} + 208 \, a b^{3} x^{3} - 165 \, a^{2} b^{2} x^{2} - 50 \, a^{3} b x - 8 \, a^{4}\right )} \sqrt {b x + a}}{48 \, x^{3}}, \frac {315 \, \sqrt {-a} a b^{3} x^{3} \arctan \left (\frac {\sqrt {b x + a} \sqrt {-a}}{a}\right ) + {\left (16 \, b^{4} x^{4} + 208 \, a b^{3} x^{3} - 165 \, a^{2} b^{2} x^{2} - 50 \, a^{3} b x - 8 \, a^{4}\right )} \sqrt {b x + a}}{24 \, x^{3}}\right ] \]
Verification of antiderivative is not currently implemented for this CAS.
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giac [A] time = 1.10, size = 112, normalized size = 0.98 \[ \frac {\frac {315 \, a^{2} b^{4} \arctan \left (\frac {\sqrt {b x + a}}{\sqrt {-a}}\right )}{\sqrt {-a}} + 16 \, {\left (b x + a\right )}^{\frac {3}{2}} b^{4} + 192 \, \sqrt {b x + a} a b^{4} - \frac {165 \, {\left (b x + a\right )}^{\frac {5}{2}} a^{2} b^{4} - 280 \, {\left (b x + a\right )}^{\frac {3}{2}} a^{3} b^{4} + 123 \, \sqrt {b x + a} a^{4} b^{4}}{b^{3} x^{3}}}{24 \, b} \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [A] time = 0.01, size = 87, normalized size = 0.76 \[ 2 \left (\left (-\frac {105 \arctanh \left (\frac {\sqrt {b x +a}}{\sqrt {a}}\right )}{16 \sqrt {a}}+\frac {-\frac {41 \sqrt {b x +a}\, a^{2}}{16}+\frac {35 \left (b x +a \right )^{\frac {3}{2}} a}{6}-\frac {55 \left (b x +a \right )^{\frac {5}{2}}}{16}}{b^{3} x^{3}}\right ) a^{2}+4 \sqrt {b x +a}\, a +\frac {\left (b x +a \right )^{\frac {3}{2}}}{3}\right ) b^{3} \]
Verification of antiderivative is not currently implemented for this CAS.
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maxima [A] time = 2.94, size = 145, normalized size = 1.27 \[ \frac {105}{16} \, a^{\frac {3}{2}} b^{3} \log \left (\frac {\sqrt {b x + a} - \sqrt {a}}{\sqrt {b x + a} + \sqrt {a}}\right ) + \frac {2}{3} \, {\left (b x + a\right )}^{\frac {3}{2}} b^{3} + 8 \, \sqrt {b x + a} a b^{3} - \frac {165 \, {\left (b x + a\right )}^{\frac {5}{2}} a^{2} b^{3} - 280 \, {\left (b x + a\right )}^{\frac {3}{2}} a^{3} b^{3} + 123 \, \sqrt {b x + a} a^{4} b^{3}}{24 \, {\left ({\left (b x + a\right )}^{3} - 3 \, {\left (b x + a\right )}^{2} a + 3 \, {\left (b x + a\right )} a^{2} - a^{3}\right )}} \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 0.12, size = 131, normalized size = 1.15 \[ \frac {2\,b^3\,{\left (a+b\,x\right )}^{3/2}}{3}+\frac {\frac {41\,a^4\,b^3\,\sqrt {a+b\,x}}{8}-\frac {35\,a^3\,b^3\,{\left (a+b\,x\right )}^{3/2}}{3}+\frac {55\,a^2\,b^3\,{\left (a+b\,x\right )}^{5/2}}{8}}{3\,a\,{\left (a+b\,x\right )}^2-3\,a^2\,\left (a+b\,x\right )-{\left (a+b\,x\right )}^3+a^3}+8\,a\,b^3\,\sqrt {a+b\,x}+\frac {a^{3/2}\,b^3\,\mathrm {atan}\left (\frac {\sqrt {a+b\,x}\,1{}\mathrm {i}}{\sqrt {a}}\right )\,105{}\mathrm {i}}{8} \]
Verification of antiderivative is not currently implemented for this CAS.
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sympy [A] time = 7.91, size = 184, normalized size = 1.61 \[ - \frac {105 a^{\frac {3}{2}} b^{3} \operatorname {asinh}{\left (\frac {\sqrt {a}}{\sqrt {b} \sqrt {x}} \right )}}{8} - \frac {a^{5}}{3 \sqrt {b} x^{\frac {7}{2}} \sqrt {\frac {a}{b x} + 1}} - \frac {29 a^{4} \sqrt {b}}{12 x^{\frac {5}{2}} \sqrt {\frac {a}{b x} + 1}} - \frac {215 a^{3} b^{\frac {3}{2}}}{24 x^{\frac {3}{2}} \sqrt {\frac {a}{b x} + 1}} + \frac {43 a^{2} b^{\frac {5}{2}}}{24 \sqrt {x} \sqrt {\frac {a}{b x} + 1}} + \frac {28 a b^{\frac {7}{2}} \sqrt {x}}{3 \sqrt {\frac {a}{b x} + 1}} + \frac {2 b^{\frac {9}{2}} x^{\frac {3}{2}}}{3 \sqrt {\frac {a}{b x} + 1}} \]
Verification of antiderivative is not currently implemented for this CAS.
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