Optimal. Leaf size=165 \[ -\frac {2 b}{a^3 \sqrt {a^2+2 a b x+b^2 x^2}}-\frac {b}{2 a^2 (a+b x) \sqrt {a^2+2 a b x+b^2 x^2}}-\frac {a+b x}{a^3 x \sqrt {a^2+2 a b x+b^2 x^2}}-\frac {3 b (a+b x) \log (x)}{a^4 \sqrt {a^2+2 a b x+b^2 x^2}}+\frac {3 b (a+b x) \log (a+b x)}{a^4 \sqrt {a^2+2 a b x+b^2 x^2}} \]
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Rubi [A]
time = 0.04, antiderivative size = 165, normalized size of antiderivative = 1.00, number of steps
used = 3, number of rules used = 2, integrand size = 24, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.083, Rules used = {660, 46}
\begin {gather*} -\frac {b}{2 a^2 (a+b x) \sqrt {a^2+2 a b x+b^2 x^2}}-\frac {3 b \log (x) (a+b x)}{a^4 \sqrt {a^2+2 a b x+b^2 x^2}}+\frac {3 b (a+b x) \log (a+b x)}{a^4 \sqrt {a^2+2 a b x+b^2 x^2}}-\frac {2 b}{a^3 \sqrt {a^2+2 a b x+b^2 x^2}}-\frac {a+b x}{a^3 x \sqrt {a^2+2 a b x+b^2 x^2}} \end {gather*}
Antiderivative was successfully verified.
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Rule 46
Rule 660
Rubi steps
\begin {align*} \int \frac {1}{x^2 \left (a^2+2 a b x+b^2 x^2\right )^{3/2}} \, dx &=\frac {\left (b^2 \left (a b+b^2 x\right )\right ) \int \frac {1}{x^2 \left (a b+b^2 x\right )^3} \, dx}{\sqrt {a^2+2 a b x+b^2 x^2}}\\ &=\frac {\left (b^2 \left (a b+b^2 x\right )\right ) \int \left (\frac {1}{a^3 b^3 x^2}-\frac {3}{a^4 b^2 x}+\frac {1}{a^2 b (a+b x)^3}+\frac {2}{a^3 b (a+b x)^2}+\frac {3}{a^4 b (a+b x)}\right ) \, dx}{\sqrt {a^2+2 a b x+b^2 x^2}}\\ &=-\frac {2 b}{a^3 \sqrt {a^2+2 a b x+b^2 x^2}}-\frac {b}{2 a^2 (a+b x) \sqrt {a^2+2 a b x+b^2 x^2}}-\frac {a+b x}{a^3 x \sqrt {a^2+2 a b x+b^2 x^2}}-\frac {3 b (a+b x) \log (x)}{a^4 \sqrt {a^2+2 a b x+b^2 x^2}}+\frac {3 b (a+b x) \log (a+b x)}{a^4 \sqrt {a^2+2 a b x+b^2 x^2}}\\ \end {align*}
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Mathematica [A]
time = 0.02, size = 81, normalized size = 0.49 \begin {gather*} \frac {-a \left (2 a^2+9 a b x+6 b^2 x^2\right )-6 b x (a+b x)^2 \log (x)+6 b x (a+b x)^2 \log (a+b x)}{2 a^4 x (a+b x) \sqrt {(a+b x)^2}} \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 0.50, size = 117, normalized size = 0.71
method | result | size |
risch | \(\frac {\sqrt {\left (b x +a \right )^{2}}\, \left (-\frac {3 b^{2} x^{2}}{a^{3}}-\frac {9 b x}{2 a^{2}}-\frac {1}{a}\right )}{\left (b x +a \right )^{3} x}-\frac {3 \sqrt {\left (b x +a \right )^{2}}\, b \ln \left (x \right )}{\left (b x +a \right ) a^{4}}+\frac {3 \sqrt {\left (b x +a \right )^{2}}\, b \ln \left (-b x -a \right )}{\left (b x +a \right ) a^{4}}\) | \(101\) |
default | \(\frac {\left (6 b^{3} \ln \left (b x +a \right ) x^{3}-6 b^{3} \ln \left (x \right ) x^{3}+12 \ln \left (b x +a \right ) a \,b^{2} x^{2}-12 \ln \left (x \right ) a \,b^{2} x^{2}+6 \ln \left (b x +a \right ) a^{2} b x -6 \ln \left (x \right ) a^{2} b x -6 a \,b^{2} x^{2}-9 a^{2} b x -2 a^{3}\right ) \left (b x +a \right )}{2 x \,a^{4} \left (\left (b x +a \right )^{2}\right )^{\frac {3}{2}}}\) | \(117\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A]
time = 0.28, size = 107, normalized size = 0.65 \begin {gather*} \frac {3 \, \left (-1\right )^{2 \, a b x + 2 \, a^{2}} b \log \left (\frac {2 \, a b x}{{\left | x \right |}} + \frac {2 \, a^{2}}{{\left | x \right |}}\right )}{a^{4}} - \frac {3 \, b}{\sqrt {b^{2} x^{2} + 2 \, a b x + a^{2}} a^{3}} - \frac {1}{\sqrt {b^{2} x^{2} + 2 \, a b x + a^{2}} a^{2} x} - \frac {1}{2 \, a^{2} b {\left (x + \frac {a}{b}\right )}^{2}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 1.53, size = 109, normalized size = 0.66 \begin {gather*} -\frac {6 \, a b^{2} x^{2} + 9 \, a^{2} b x + 2 \, a^{3} - 6 \, {\left (b^{3} x^{3} + 2 \, a b^{2} x^{2} + a^{2} b x\right )} \log \left (b x + a\right ) + 6 \, {\left (b^{3} x^{3} + 2 \, a b^{2} x^{2} + a^{2} b x\right )} \log \left (x\right )}{2 \, {\left (a^{4} b^{2} x^{3} + 2 \, a^{5} b x^{2} + a^{6} x\right )}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [F]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \int \frac {1}{x^{2} \left (\left (a + b x\right )^{2}\right )^{\frac {3}{2}}}\, dx \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A]
time = 0.62, size = 84, normalized size = 0.51 \begin {gather*} \frac {3 \, b \log \left ({\left | b x + a \right |}\right )}{a^{4} \mathrm {sgn}\left (b x + a\right )} - \frac {3 \, b \log \left ({\left | x \right |}\right )}{a^{4} \mathrm {sgn}\left (b x + a\right )} - \frac {6 \, a b^{2} x^{2} + 9 \, a^{2} b x + 2 \, a^{3}}{2 \, {\left (b x + a\right )}^{2} a^{4} x \mathrm {sgn}\left (b x + a\right )} \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 {1}{x^2\,{\left (a^2+2\,a\,b\,x+b^2\,x^2\right )}^{3/2}} \,d x \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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