Optimal. Leaf size=86 \[ 5 b^2 \sqrt {x} \sqrt {a+b x}-\frac {10 b (a+b x)^{3/2}}{3 \sqrt {x}}-\frac {2 (a+b x)^{5/2}}{3 x^{3/2}}+5 a b^{3/2} \tanh ^{-1}\left (\frac {\sqrt {b} \sqrt {x}}{\sqrt {a+b x}}\right ) \]
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Rubi [A]
time = 0.02, antiderivative size = 86, normalized size of antiderivative = 1.00, number of steps
used = 6, number of rules used = 5, integrand size = 15, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.333, Rules used = {49, 52, 65, 223,
212} \begin {gather*} 5 a b^{3/2} \tanh ^{-1}\left (\frac {\sqrt {b} \sqrt {x}}{\sqrt {a+b x}}\right )+5 b^2 \sqrt {x} \sqrt {a+b x}-\frac {2 (a+b x)^{5/2}}{3 x^{3/2}}-\frac {10 b (a+b x)^{3/2}}{3 \sqrt {x}} \end {gather*}
Antiderivative was successfully verified.
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Rule 49
Rule 52
Rule 65
Rule 212
Rule 223
Rubi steps
\begin {align*} \int \frac {(a+b x)^{5/2}}{x^{5/2}} \, dx &=-\frac {2 (a+b x)^{5/2}}{3 x^{3/2}}+\frac {1}{3} (5 b) \int \frac {(a+b x)^{3/2}}{x^{3/2}} \, dx\\ &=-\frac {10 b (a+b x)^{3/2}}{3 \sqrt {x}}-\frac {2 (a+b x)^{5/2}}{3 x^{3/2}}+\left (5 b^2\right ) \int \frac {\sqrt {a+b x}}{\sqrt {x}} \, dx\\ &=5 b^2 \sqrt {x} \sqrt {a+b x}-\frac {10 b (a+b x)^{3/2}}{3 \sqrt {x}}-\frac {2 (a+b x)^{5/2}}{3 x^{3/2}}+\frac {1}{2} \left (5 a b^2\right ) \int \frac {1}{\sqrt {x} \sqrt {a+b x}} \, dx\\ &=5 b^2 \sqrt {x} \sqrt {a+b x}-\frac {10 b (a+b x)^{3/2}}{3 \sqrt {x}}-\frac {2 (a+b x)^{5/2}}{3 x^{3/2}}+\left (5 a b^2\right ) \text {Subst}\left (\int \frac {1}{\sqrt {a+b x^2}} \, dx,x,\sqrt {x}\right )\\ &=5 b^2 \sqrt {x} \sqrt {a+b x}-\frac {10 b (a+b x)^{3/2}}{3 \sqrt {x}}-\frac {2 (a+b x)^{5/2}}{3 x^{3/2}}+\left (5 a b^2\right ) \text {Subst}\left (\int \frac {1}{1-b x^2} \, dx,x,\frac {\sqrt {x}}{\sqrt {a+b x}}\right )\\ &=5 b^2 \sqrt {x} \sqrt {a+b x}-\frac {10 b (a+b x)^{3/2}}{3 \sqrt {x}}-\frac {2 (a+b x)^{5/2}}{3 x^{3/2}}+5 a b^{3/2} \tanh ^{-1}\left (\frac {\sqrt {b} \sqrt {x}}{\sqrt {a+b x}}\right )\\ \end {align*}
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Mathematica [A]
time = 0.13, size = 69, normalized size = 0.80 \begin {gather*} \frac {\sqrt {a+b x} \left (-2 a^2-14 a b x+3 b^2 x^2\right )}{3 x^{3/2}}-5 a b^{3/2} \log \left (-\sqrt {b} \sqrt {x}+\sqrt {a+b x}\right ) \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 0.11, size = 82, normalized size = 0.95
method | result | size |
risch | \(-\frac {\sqrt {b x +a}\, \left (-3 x^{2} b^{2}+14 a b x +2 a^{2}\right )}{3 x^{\frac {3}{2}}}+\frac {5 a \,b^{\frac {3}{2}} \ln \left (\frac {\frac {a}{2}+b x}{\sqrt {b}}+\sqrt {x^{2} b +a x}\right ) \sqrt {x \left (b x +a \right )}}{2 \sqrt {x}\, \sqrt {b x +a}}\) | \(82\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A]
time = 0.51, size = 100, normalized size = 1.16 \begin {gather*} -\frac {5}{2} \, a b^{\frac {3}{2}} \log \left (-\frac {\sqrt {b} - \frac {\sqrt {b x + a}}{\sqrt {x}}}{\sqrt {b} + \frac {\sqrt {b x + a}}{\sqrt {x}}}\right ) - \frac {4 \, \sqrt {b x + a} a b}{\sqrt {x}} - \frac {\sqrt {b x + a} a b^{2}}{{\left (b - \frac {b x + a}{x}\right )} \sqrt {x}} - \frac {2 \, {\left (b x + a\right )}^{\frac {3}{2}} a}{3 \, x^{\frac {3}{2}}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 0.48, size = 138, normalized size = 1.60 \begin {gather*} \left [\frac {15 \, a b^{\frac {3}{2}} x^{2} \log \left (2 \, b x + 2 \, \sqrt {b x + a} \sqrt {b} \sqrt {x} + a\right ) + 2 \, {\left (3 \, b^{2} x^{2} - 14 \, a b x - 2 \, a^{2}\right )} \sqrt {b x + a} \sqrt {x}}{6 \, x^{2}}, -\frac {15 \, a \sqrt {-b} b x^{2} \arctan \left (\frac {\sqrt {b x + a} \sqrt {-b}}{b \sqrt {x}}\right ) - {\left (3 \, b^{2} x^{2} - 14 \, a b x - 2 \, a^{2}\right )} \sqrt {b x + a} \sqrt {x}}{3 \, x^{2}}\right ] \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A]
time = 3.40, size = 99, normalized size = 1.15 \begin {gather*} - \frac {2 a^{2} \sqrt {b} \sqrt {\frac {a}{b x} + 1}}{3 x} - \frac {14 a b^{\frac {3}{2}} \sqrt {\frac {a}{b x} + 1}}{3} - \frac {5 a b^{\frac {3}{2}} \log {\left (\frac {a}{b x} \right )}}{2} + 5 a b^{\frac {3}{2}} \log {\left (\sqrt {\frac {a}{b x} + 1} + 1 \right )} + b^{\frac {5}{2}} x \sqrt {\frac {a}{b x} + 1} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [F(-2)]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {Exception raised: NotImplementedError} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [F]
time = 0.00, size = -1, normalized size = -0.01 \begin {gather*} \int \frac {{\left (a+b\,x\right )}^{5/2}}{x^{5/2}} \,d x \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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