Optimal. Leaf size=90 \[ -\frac {2 F^{a+\frac {b}{c+d x}}}{b^3 d \log ^3(F)}+\frac {2 F^{a+\frac {b}{c+d x}}}{b^2 d (c+d x) \log ^2(F)}-\frac {F^{a+\frac {b}{c+d x}}}{b d (c+d x)^2 \log (F)} \]
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Rubi [A]
time = 0.09, antiderivative size = 90, normalized size of antiderivative = 1.00, number of steps
used = 3, number of rules used = 2, integrand size = 21, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.095, Rules used = {2243, 2240}
\begin {gather*} -\frac {2 F^{a+\frac {b}{c+d x}}}{b^3 d \log ^3(F)}+\frac {2 F^{a+\frac {b}{c+d x}}}{b^2 d \log ^2(F) (c+d x)}-\frac {F^{a+\frac {b}{c+d x}}}{b d \log (F) (c+d x)^2} \end {gather*}
Antiderivative was successfully verified.
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Rule 2240
Rule 2243
Rubi steps
\begin {align*} \int \frac {F^{a+\frac {b}{c+d x}}}{(c+d x)^4} \, dx &=-\frac {F^{a+\frac {b}{c+d x}}}{b d (c+d x)^2 \log (F)}-\frac {2 \int \frac {F^{a+\frac {b}{c+d x}}}{(c+d x)^3} \, dx}{b \log (F)}\\ &=\frac {2 F^{a+\frac {b}{c+d x}}}{b^2 d (c+d x) \log ^2(F)}-\frac {F^{a+\frac {b}{c+d x}}}{b d (c+d x)^2 \log (F)}+\frac {2 \int \frac {F^{a+\frac {b}{c+d x}}}{(c+d x)^2} \, dx}{b^2 \log ^2(F)}\\ &=-\frac {2 F^{a+\frac {b}{c+d x}}}{b^3 d \log ^3(F)}+\frac {2 F^{a+\frac {b}{c+d x}}}{b^2 d (c+d x) \log ^2(F)}-\frac {F^{a+\frac {b}{c+d x}}}{b d (c+d x)^2 \log (F)}\\ \end {align*}
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Mathematica [A]
time = 0.02, size = 60, normalized size = 0.67 \begin {gather*} -\frac {F^{a+\frac {b}{c+d x}} \left (2 (c+d x)^2-2 b (c+d x) \log (F)+b^2 \log ^2(F)\right )}{b^3 d (c+d x)^2 \log ^3(F)} \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 0.07, size = 79, normalized size = 0.88
method | result | size |
risch | \(-\frac {\left (\ln \left (F \right )^{2} b^{2}-2 b d x \ln \left (F \right )+2 d^{2} x^{2}-2 c b \ln \left (F \right )+4 c d x +2 c^{2}\right ) F^{\frac {x a d +c a +b}{d x +c}}}{b^{3} \ln \left (F \right )^{3} d \left (d x +c \right )^{2}}\) | \(79\) |
norman | \(\frac {-\frac {2 d^{2} x^{3} {\mathrm e}^{\left (a +\frac {b}{d x +c}\right ) \ln \left (F \right )}}{\ln \left (F \right )^{3} b^{3}}-\frac {\left (\ln \left (F \right )^{2} b^{2}-4 c b \ln \left (F \right )+6 c^{2}\right ) x \,{\mathrm e}^{\left (a +\frac {b}{d x +c}\right ) \ln \left (F \right )}}{\ln \left (F \right )^{3} b^{3}}+\frac {2 d \left (b \ln \left (F \right )-3 c \right ) x^{2} {\mathrm e}^{\left (a +\frac {b}{d x +c}\right ) \ln \left (F \right )}}{\ln \left (F \right )^{3} b^{3}}-\frac {\left (\ln \left (F \right )^{2} b^{2}-2 c b \ln \left (F \right )+2 c^{2}\right ) c \,{\mathrm e}^{\left (a +\frac {b}{d x +c}\right ) \ln \left (F \right )}}{b^{3} \ln \left (F \right )^{3} d}}{\left (d x +c \right )^{3}}\) | \(169\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [F]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {Failed to integrate} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 0.39, size = 95, normalized size = 1.06 \begin {gather*} -\frac {{\left (2 \, d^{2} x^{2} + b^{2} \log \left (F\right )^{2} + 4 \, c d x + 2 \, c^{2} - 2 \, {\left (b d x + b c\right )} \log \left (F\right )\right )} F^{\frac {a d x + a c + b}{d x + c}}}{{\left (b^{3} d^{3} x^{2} + 2 \, b^{3} c d^{2} x + b^{3} c^{2} d\right )} \log \left (F\right )^{3}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A]
time = 0.10, size = 102, normalized size = 1.13 \begin {gather*} \frac {F^{a + \frac {b}{c + d x}} \left (- b^{2} \log {\left (F \right )}^{2} + 2 b c \log {\left (F \right )} + 2 b d x \log {\left (F \right )} - 2 c^{2} - 4 c d x - 2 d^{2} x^{2}\right )}{b^{3} c^{2} d \log {\left (F \right )}^{3} + 2 b^{3} c d^{2} x \log {\left (F \right )}^{3} + b^{3} d^{3} x^{2} \log {\left (F \right )}^{3}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [F]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {could not integrate} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 5.62, size = 104, normalized size = 1.16 \begin {gather*} -\frac {F^{a+\frac {b}{c+d\,x}}\,\left (\frac {b^2\,{\ln \left (F\right )}^2-2\,b\,c\,\ln \left (F\right )+2\,c^2}{b^3\,d^3\,{\ln \left (F\right )}^3}+\frac {2\,x^2}{b^3\,d\,{\ln \left (F\right )}^3}+\frac {2\,x\,\left (2\,c-b\,\ln \left (F\right )\right )}{b^3\,d^2\,{\ln \left (F\right )}^3}\right )}{x^2+\frac {c^2}{d^2}+\frac {2\,c\,x}{d}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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