Optimal. Leaf size=78 \[ -\frac {1}{2 a d \left (a+b e^{-c-d x}\right )^2}-\frac {1}{a^2 d \left (a+b e^{-c-d x}\right )}+\frac {x}{a^3}+\frac {\log \left (a+b e^{-c-d x}\right )}{a^3 d} \]
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Rubi [A]
time = 0.03, antiderivative size = 78, normalized size of antiderivative = 1.00, number of steps
used = 3, number of rules used = 2, integrand size = 16, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.125, Rules used = {2320, 46}
\begin {gather*} \frac {\log \left (a+b e^{-c-d x}\right )}{a^3 d}+\frac {x}{a^3}-\frac {1}{a^2 d \left (a+b e^{-c-d x}\right )}-\frac {1}{2 a d \left (a+b e^{-c-d x}\right )^2} \end {gather*}
Antiderivative was successfully verified.
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Rule 46
Rule 2320
Rubi steps
\begin {align*} \int \frac {1}{\left (a+b e^{-c-d x}\right )^3} \, dx &=-\frac {\text {Subst}\left (\int \frac {1}{x (a+b x)^3} \, dx,x,e^{-c-d x}\right )}{d}\\ &=-\frac {\text {Subst}\left (\int \left (\frac {1}{a^3 x}-\frac {b}{a (a+b x)^3}-\frac {b}{a^2 (a+b x)^2}-\frac {b}{a^3 (a+b x)}\right ) \, dx,x,e^{-c-d x}\right )}{d}\\ &=-\frac {1}{2 a d \left (a+b e^{-c-d x}\right )^2}-\frac {1}{a^2 d \left (a+b e^{-c-d x}\right )}+\frac {x}{a^3}+\frac {\log \left (a+b e^{-c-d x}\right )}{a^3 d}\\ \end {align*}
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Mathematica [A]
time = 0.80, size = 54, normalized size = 0.69 \begin {gather*} \frac {\frac {b \left (3 b+4 a e^{c+d x}\right )}{\left (b+a e^{c+d x}\right )^2}+2 \log \left (b+a e^{c+d x}\right )}{2 a^3 d} \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 0.02, size = 79, normalized size = 1.01
method | result | size |
risch | \(\frac {x}{a^{3}}+\frac {c}{a^{3} d}-\frac {2 b \,{\mathrm e}^{-d x -c}+3 a}{2 a^{2} d \left (a +b \,{\mathrm e}^{-d x -c}\right )^{2}}+\frac {\ln \left ({\mathrm e}^{-d x -c}+\frac {a}{b}\right )}{a^{3} d}\) | \(77\) |
derivativedivides | \(-\frac {-\frac {\ln \left (a +b \,{\mathrm e}^{-d x -c}\right )}{a^{3}}+\frac {1}{a^{2} \left (a +b \,{\mathrm e}^{-d x -c}\right )}+\frac {1}{2 a \left (a +b \,{\mathrm e}^{-d x -c}\right )^{2}}+\frac {\ln \left ({\mathrm e}^{-d x -c}\right )}{a^{3}}}{d}\) | \(79\) |
default | \(-\frac {-\frac {\ln \left (a +b \,{\mathrm e}^{-d x -c}\right )}{a^{3}}+\frac {1}{a^{2} \left (a +b \,{\mathrm e}^{-d x -c}\right )}+\frac {1}{2 a \left (a +b \,{\mathrm e}^{-d x -c}\right )^{2}}+\frac {\ln \left ({\mathrm e}^{-d x -c}\right )}{a^{3}}}{d}\) | \(79\) |
norman | \(\frac {\frac {x}{a}+\frac {b^{2} x \,{\mathrm e}^{-2 d x -2 c}}{a^{3}}+\frac {2 b x \,{\mathrm e}^{-d x -c}}{a^{2}}+\frac {2 b \,{\mathrm e}^{-d x -c}}{a^{2} d}+\frac {3 b^{2} {\mathrm e}^{-2 d x -2 c}}{2 a^{3} d}}{\left (a +b \,{\mathrm e}^{-d x -c}\right )^{2}}+\frac {\ln \left (a +b \,{\mathrm e}^{-d x -c}\right )}{a^{3} d}\) | \(120\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A]
time = 0.28, size = 92, normalized size = 1.18 \begin {gather*} -\frac {2 \, b e^{\left (-d x - c\right )} + 3 \, a}{2 \, {\left (2 \, a^{3} b e^{\left (-d x - c\right )} + a^{2} b^{2} e^{\left (-2 \, d x - 2 \, c\right )} + a^{4}\right )} d} + \frac {d x + c}{a^{3} d} + \frac {\log \left (b e^{\left (-d x - c\right )} + a\right )}{a^{3} d} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 0.38, size = 140, normalized size = 1.79 \begin {gather*} \frac {2 \, b^{2} d x e^{\left (-2 \, d x - 2 \, c\right )} + 2 \, a^{2} d x - 3 \, a^{2} + 2 \, {\left (2 \, a b d x - a b\right )} e^{\left (-d x - c\right )} + 2 \, {\left (2 \, a b e^{\left (-d x - c\right )} + b^{2} e^{\left (-2 \, d x - 2 \, c\right )} + a^{2}\right )} \log \left (b e^{\left (-d x - c\right )} + a\right )}{2 \, {\left (2 \, a^{4} b d e^{\left (-d x - c\right )} + a^{3} b^{2} d e^{\left (-2 \, d x - 2 \, c\right )} + a^{5} d\right )}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A]
time = 0.08, size = 85, normalized size = 1.09 \begin {gather*} \frac {- 3 a - 2 b e^{- c - d x}}{2 a^{4} d + 4 a^{3} b d e^{- c - d x} + 2 a^{2} b^{2} d e^{- 2 c - 2 d x}} + \frac {x}{a^{3}} + \frac {\log {\left (\frac {a}{b} + e^{- c - d x} \right )}}{a^{3} d} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A]
time = 1.76, size = 75, normalized size = 0.96 \begin {gather*} \frac {\frac {2 \, {\left (d x + c\right )}}{a^{3}} + \frac {2 \, \log \left ({\left | b e^{\left (-d x - c\right )} + a \right |}\right )}{a^{3}} - \frac {2 \, a b e^{\left (-d x - c\right )} + 3 \, a^{2}}{{\left (b e^{\left (-d x - c\right )} + a\right )}^{2} a^{3}}}{2 \, d} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 3.70, size = 132, normalized size = 1.69 \begin {gather*} \frac {\frac {x}{a}+\frac {2\,b\,{\mathrm {e}}^{-c-d\,x}}{a^2\,d}+\frac {b^2\,x\,{\mathrm {e}}^{-2\,c-2\,d\,x}}{a^3}+\frac {3\,b^2\,{\mathrm {e}}^{-2\,c-2\,d\,x}}{2\,a^3\,d}+\frac {2\,b\,x\,{\mathrm {e}}^{-c-d\,x}}{a^2}}{a^2+2\,{\mathrm {e}}^{-c-d\,x}\,a\,b+{\mathrm {e}}^{-2\,c-2\,d\,x}\,b^2}+\frac {\ln \left (a+b\,{\mathrm {e}}^{-c}\,{\mathrm {e}}^{-d\,x}\right )}{a^3\,d} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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