Optimal. Leaf size=71 \[ \frac {1}{3 x^{3/2} (2+b x)^{3/2}}+\frac {1}{x^{3/2} \sqrt {2+b x}}-\frac {2 \sqrt {2+b x}}{3 x^{3/2}}+\frac {2 b \sqrt {2+b x}}{3 \sqrt {x}} \]
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Rubi [A]
time = 0.01, antiderivative size = 71, normalized size of antiderivative = 1.00, number of steps
used = 4, number of rules used = 2, integrand size = 15, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.133, Rules used = {47, 37}
\begin {gather*} -\frac {2 \sqrt {b x+2}}{3 x^{3/2}}+\frac {1}{x^{3/2} \sqrt {b x+2}}+\frac {1}{3 x^{3/2} (b x+2)^{3/2}}+\frac {2 b \sqrt {b x+2}}{3 \sqrt {x}} \end {gather*}
Antiderivative was successfully verified.
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Rule 37
Rule 47
Rubi steps
\begin {align*} \int \frac {1}{x^{5/2} (2+b x)^{5/2}} \, dx &=\frac {1}{3 x^{3/2} (2+b x)^{3/2}}+\int \frac {1}{x^{5/2} (2+b x)^{3/2}} \, dx\\ &=\frac {1}{3 x^{3/2} (2+b x)^{3/2}}+\frac {1}{x^{3/2} \sqrt {2+b x}}+2 \int \frac {1}{x^{5/2} \sqrt {2+b x}} \, dx\\ &=\frac {1}{3 x^{3/2} (2+b x)^{3/2}}+\frac {1}{x^{3/2} \sqrt {2+b x}}-\frac {2 \sqrt {2+b x}}{3 x^{3/2}}-\frac {1}{3} (2 b) \int \frac {1}{x^{3/2} \sqrt {2+b x}} \, dx\\ &=\frac {1}{3 x^{3/2} (2+b x)^{3/2}}+\frac {1}{x^{3/2} \sqrt {2+b x}}-\frac {2 \sqrt {2+b x}}{3 x^{3/2}}+\frac {2 b \sqrt {2+b x}}{3 \sqrt {x}}\\ \end {align*}
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Mathematica [A]
time = 0.08, size = 40, normalized size = 0.56 \begin {gather*} \frac {-1+3 b x+6 b^2 x^2+2 b^3 x^3}{3 x^{3/2} (2+b x)^{3/2}} \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 0.13, size = 58, normalized size = 0.82
method | result | size |
gosper | \(\frac {2 b^{3} x^{3}+6 x^{2} b^{2}+3 b x -1}{3 x^{\frac {3}{2}} \left (b x +2\right )^{\frac {3}{2}}}\) | \(35\) |
meijerg | \(-\frac {\sqrt {2}\, \left (-2 b^{3} x^{3}-6 x^{2} b^{2}-3 b x +1\right )}{12 x^{\frac {3}{2}} \left (\frac {b x}{2}+1\right )^{\frac {3}{2}}}\) | \(39\) |
risch | \(\frac {4 x^{2} b^{2}+7 b x -2}{12 x^{\frac {3}{2}} \sqrt {b x +2}}+\frac {b^{2} \left (4 b x +9\right ) \sqrt {x}}{12 \left (b x +2\right )^{\frac {3}{2}}}\) | \(49\) |
default | \(-\frac {1}{3 x^{\frac {3}{2}} \left (b x +2\right )^{\frac {3}{2}}}-b \left (-\frac {1}{\left (b x +2\right )^{\frac {3}{2}} \sqrt {x}}-2 b \left (\frac {\sqrt {x}}{3 \left (b x +2\right )^{\frac {3}{2}}}+\frac {\sqrt {x}}{3 \sqrt {b x +2}}\right )\right )\) | \(58\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A]
time = 0.28, size = 55, normalized size = 0.77 \begin {gather*} \frac {3 \, \sqrt {b x + 2} b}{8 \, \sqrt {x}} - \frac {{\left (b^{3} - \frac {9 \, {\left (b x + 2\right )} b^{2}}{x}\right )} x^{\frac {3}{2}}}{24 \, {\left (b x + 2\right )}^{\frac {3}{2}}} - \frac {{\left (b x + 2\right )}^{\frac {3}{2}}}{24 \, x^{\frac {3}{2}}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 1.08, size = 55, normalized size = 0.77 \begin {gather*} \frac {{\left (2 \, b^{3} x^{3} + 6 \, b^{2} x^{2} + 3 \, b x - 1\right )} \sqrt {b x + 2} \sqrt {x}}{3 \, {\left (b^{2} x^{4} + 4 \, b x^{3} + 4 \, x^{2}\right )}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [B] Leaf count of result is larger than twice the leaf count of optimal. 257 vs.
\(2 (66) = 132\).
time = 3.98, size = 257, normalized size = 3.62 \begin {gather*} \frac {2 b^{\frac {27}{2}} x^{4} \sqrt {1 + \frac {2}{b x}}}{3 b^{12} x^{4} + 18 b^{11} x^{3} + 36 b^{10} x^{2} + 24 b^{9} x} + \frac {10 b^{\frac {25}{2}} x^{3} \sqrt {1 + \frac {2}{b x}}}{3 b^{12} x^{4} + 18 b^{11} x^{3} + 36 b^{10} x^{2} + 24 b^{9} x} + \frac {15 b^{\frac {23}{2}} x^{2} \sqrt {1 + \frac {2}{b x}}}{3 b^{12} x^{4} + 18 b^{11} x^{3} + 36 b^{10} x^{2} + 24 b^{9} x} + \frac {5 b^{\frac {21}{2}} x \sqrt {1 + \frac {2}{b x}}}{3 b^{12} x^{4} + 18 b^{11} x^{3} + 36 b^{10} x^{2} + 24 b^{9} x} - \frac {2 b^{\frac {19}{2}} \sqrt {1 + \frac {2}{b x}}}{3 b^{12} x^{4} + 18 b^{11} x^{3} + 36 b^{10} x^{2} + 24 b^{9} x} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [B] Leaf count of result is larger than twice the leaf count of optimal. 158 vs.
\(2 (49) = 98\).
time = 1.88, size = 158, normalized size = 2.23 \begin {gather*} \frac {{\left (4 \, {\left (b x + 2\right )} b^{2} {\left | b \right |} - 9 \, b^{2} {\left | b \right |}\right )} \sqrt {b x + 2}}{12 \, {\left ({\left (b x + 2\right )} b - 2 \, b\right )}^{\frac {3}{2}}} + \frac {3 \, {\left (\sqrt {b x + 2} \sqrt {b} - \sqrt {{\left (b x + 2\right )} b - 2 \, b}\right )}^{4} b^{\frac {7}{2}} + 18 \, {\left (\sqrt {b x + 2} \sqrt {b} - \sqrt {{\left (b x + 2\right )} b - 2 \, b}\right )}^{2} b^{\frac {9}{2}} + 16 \, b^{\frac {11}{2}}}{3 \, {\left ({\left (\sqrt {b x + 2} \sqrt {b} - \sqrt {{\left (b x + 2\right )} b - 2 \, b}\right )}^{2} + 2 \, b\right )}^{3} {\left | b \right |}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 0.42, size = 71, normalized size = 1.00 \begin {gather*} \frac {3\,b\,x\,\sqrt {b\,x+2}-\sqrt {b\,x+2}+6\,b^2\,x^2\,\sqrt {b\,x+2}+2\,b^3\,x^3\,\sqrt {b\,x+2}}{x^{3/2}\,\left (x\,\left (3\,x\,b^2+12\,b\right )+12\right )} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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