Optimal. Leaf size=55 \[ \frac {1}{3 \sqrt {x} (2+b x)^{3/2}}+\frac {2}{3 \sqrt {x} \sqrt {2+b x}}-\frac {2 \sqrt {2+b x}}{3 \sqrt {x}} \]
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Rubi [A]
time = 0.00, antiderivative size = 55, normalized size of antiderivative = 1.00, number of steps
used = 3, 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 \sqrt {x}}+\frac {2}{3 \sqrt {x} \sqrt {b x+2}}+\frac {1}{3 \sqrt {x} (b x+2)^{3/2}} \end {gather*}
Antiderivative was successfully verified.
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Rule 37
Rule 47
Rubi steps
\begin {align*} \int \frac {1}{x^{3/2} (2+b x)^{5/2}} \, dx &=\frac {1}{3 \sqrt {x} (2+b x)^{3/2}}+\frac {2}{3} \int \frac {1}{x^{3/2} (2+b x)^{3/2}} \, dx\\ &=\frac {1}{3 \sqrt {x} (2+b x)^{3/2}}+\frac {2}{3 \sqrt {x} \sqrt {2+b x}}+\frac {2}{3} \int \frac {1}{x^{3/2} \sqrt {2+b x}} \, dx\\ &=\frac {1}{3 \sqrt {x} (2+b x)^{3/2}}+\frac {2}{3 \sqrt {x} \sqrt {2+b x}}-\frac {2 \sqrt {2+b x}}{3 \sqrt {x}}\\ \end {align*}
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Mathematica [A]
time = 0.08, size = 32, normalized size = 0.58 \begin {gather*} \frac {-3-6 b x-2 b^2 x^2}{3 \sqrt {x} (2+b x)^{3/2}} \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 0.13, size = 42, normalized size = 0.76
method | result | size |
gosper | \(-\frac {2 x^{2} b^{2}+6 b x +3}{3 \sqrt {x}\, \left (b x +2\right )^{\frac {3}{2}}}\) | \(27\) |
meijerg | \(-\frac {\sqrt {2}\, \left (2 x^{2} b^{2}+6 b x +3\right )}{12 \sqrt {x}\, \left (\frac {b x}{2}+1\right )^{\frac {3}{2}}}\) | \(31\) |
risch | \(-\frac {\sqrt {b x +2}}{4 \sqrt {x}}-\frac {b \left (5 b x +12\right ) \sqrt {x}}{12 \left (b x +2\right )^{\frac {3}{2}}}\) | \(33\) |
default | \(-\frac {1}{\left (b x +2\right )^{\frac {3}{2}} \sqrt {x}}-2 b \left (\frac {\sqrt {x}}{3 \left (b x +2\right )^{\frac {3}{2}}}+\frac {\sqrt {x}}{3 \sqrt {b x +2}}\right )\) | \(42\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A]
time = 0.29, size = 40, normalized size = 0.73 \begin {gather*} \frac {{\left (b^{2} - \frac {6 \, {\left (b x + 2\right )} b}{x}\right )} x^{\frac {3}{2}}}{12 \, {\left (b x + 2\right )}^{\frac {3}{2}}} - \frac {\sqrt {b x + 2}}{4 \, \sqrt {x}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 0.89, size = 45, normalized size = 0.82 \begin {gather*} -\frac {{\left (2 \, b^{2} x^{2} + 6 \, b x + 3\right )} \sqrt {b x + 2} \sqrt {x}}{3 \, {\left (b^{2} x^{3} + 4 \, b x^{2} + 4 \, x\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. 117 vs.
\(2 (49) = 98\).
time = 2.08, size = 117, normalized size = 2.13 \begin {gather*} - \frac {2 b^{\frac {13}{2}} x^{2} \sqrt {1 + \frac {2}{b x}}}{3 b^{6} x^{2} + 12 b^{5} x + 12 b^{4}} - \frac {6 b^{\frac {11}{2}} x \sqrt {1 + \frac {2}{b x}}}{3 b^{6} x^{2} + 12 b^{5} x + 12 b^{4}} - \frac {3 b^{\frac {9}{2}} \sqrt {1 + \frac {2}{b x}}}{3 b^{6} x^{2} + 12 b^{5} x + 12 b^{4}} \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. 145 vs.
\(2 (37) = 74\).
time = 1.64, size = 145, normalized size = 2.64 \begin {gather*} -\frac {\sqrt {b x + 2} b^{2}}{4 \, \sqrt {{\left (b x + 2\right )} b - 2 \, b} {\left | b \right |}} - \frac {3 \, {\left (\sqrt {b x + 2} \sqrt {b} - \sqrt {{\left (b x + 2\right )} b - 2 \, b}\right )}^{4} b^{\frac {5}{2}} + 24 \, {\left (\sqrt {b x + 2} \sqrt {b} - \sqrt {{\left (b x + 2\right )} b - 2 \, b}\right )}^{2} b^{\frac {7}{2}} + 20 \, b^{\frac {9}{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 = 0.38, size = 57, normalized size = 1.04 \begin {gather*} -\frac {3\,\sqrt {b\,x+2}+6\,b\,x\,\sqrt {b\,x+2}+2\,b^2\,x^2\,\sqrt {b\,x+2}}{\sqrt {x}\,\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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