Optimal. Leaf size=123 \[ \frac {e^{-\frac {a}{b m n}} (e+f x) \left (c \left (d (e+f x)^m\right )^n\right )^{-\frac {1}{m n}} \text {Ei}\left (\frac {a+b \log \left (c \left (d (e+f x)^m\right )^n\right )}{b m n}\right )}{b^2 f m^2 n^2}-\frac {e+f x}{b f m n \left (a+b \log \left (c \left (d (e+f x)^m\right )^n\right )\right )} \]
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Rubi [A]
time = 0.12, antiderivative size = 123, normalized size of antiderivative = 1.00, number of steps
used = 5, number of rules used = 5, integrand size = 20, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.250, Rules used = {2436, 2334,
2337, 2209, 2495} \begin {gather*} \frac {(e+f x) e^{-\frac {a}{b m n}} \left (c \left (d (e+f x)^m\right )^n\right )^{-\frac {1}{m n}} \text {Ei}\left (\frac {a+b \log \left (c \left (d (e+f x)^m\right )^n\right )}{b m n}\right )}{b^2 f m^2 n^2}-\frac {e+f x}{b f m n \left (a+b \log \left (c \left (d (e+f x)^m\right )^n\right )\right )} \end {gather*}
Antiderivative was successfully verified.
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Rule 2209
Rule 2334
Rule 2337
Rule 2436
Rule 2495
Rubi steps
\begin {align*} \int \frac {1}{\left (a+b \log \left (c \left (d (e+f x)^m\right )^n\right )\right )^2} \, dx &=\text {Subst}\left (\int \frac {1}{\left (a+b \log \left (c d^n (e+f x)^{m n}\right )\right )^2} \, dx,c d^n (e+f x)^{m n},c \left (d (e+f x)^m\right )^n\right )\\ &=\text {Subst}\left (\frac {\text {Subst}\left (\int \frac {1}{\left (a+b \log \left (c d^n x^{m n}\right )\right )^2} \, dx,x,e+f x\right )}{f},c d^n (e+f x)^{m n},c \left (d (e+f x)^m\right )^n\right )\\ &=-\frac {e+f x}{b f m n \left (a+b \log \left (c \left (d (e+f x)^m\right )^n\right )\right )}+\text {Subst}\left (\frac {\text {Subst}\left (\int \frac {1}{a+b \log \left (c d^n x^{m n}\right )} \, dx,x,e+f x\right )}{b f m n},c d^n (e+f x)^{m n},c \left (d (e+f x)^m\right )^n\right )\\ &=-\frac {e+f x}{b f m n \left (a+b \log \left (c \left (d (e+f x)^m\right )^n\right )\right )}+\text {Subst}\left (\frac {\left ((e+f x) \left (c d^n (e+f x)^{m n}\right )^{-\frac {1}{m n}}\right ) \text {Subst}\left (\int \frac {e^{\frac {x}{m n}}}{a+b x} \, dx,x,\log \left (c d^n (e+f x)^{m n}\right )\right )}{b f m^2 n^2},c d^n (e+f x)^{m n},c \left (d (e+f x)^m\right )^n\right )\\ &=\frac {e^{-\frac {a}{b m n}} (e+f x) \left (c \left (d (e+f x)^m\right )^n\right )^{-\frac {1}{m n}} \text {Ei}\left (\frac {a+b \log \left (c \left (d (e+f x)^m\right )^n\right )}{b m n}\right )}{b^2 f m^2 n^2}-\frac {e+f x}{b f m n \left (a+b \log \left (c \left (d (e+f x)^m\right )^n\right )\right )}\\ \end {align*}
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Mathematica [A]
time = 0.08, size = 163, normalized size = 1.33 \begin {gather*} -\frac {e^{-\frac {a}{b m n}} (e+f x) \left (c \left (d (e+f x)^m\right )^n\right )^{-\frac {1}{m n}} \left (b e^{\frac {a}{b m n}} m n \left (c \left (d (e+f x)^m\right )^n\right )^{\frac {1}{m n}}-\text {Ei}\left (\frac {a+b \log \left (c \left (d (e+f x)^m\right )^n\right )}{b m n}\right ) \left (a+b \log \left (c \left (d (e+f x)^m\right )^n\right )\right )\right )}{b^2 f m^2 n^2 \left (a+b \log \left (c \left (d (e+f x)^m\right )^n\right )\right )} \end {gather*}
Antiderivative was successfully verified.
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Maple [F]
time = 0.03, size = 0, normalized size = 0.00 \[\int \frac {1}{\left (a +b \ln \left (c \left (d \left (f x +e \right )^{m}\right )^{n}\right )\right )^{2}}\, dx\]
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 = 0.36, size = 175, normalized size = 1.42 \begin {gather*} -\frac {{\left ({\left (b f m n x + b m n e\right )} e^{\left (\frac {b n \log \left (d\right ) + b \log \left (c\right ) + a}{b m n}\right )} - {\left (b m n \log \left (f x + e\right ) + b n \log \left (d\right ) + b \log \left (c\right ) + a\right )} \operatorname {log\_integral}\left ({\left (f x + e\right )} e^{\left (\frac {b n \log \left (d\right ) + b \log \left (c\right ) + a}{b m n}\right )}\right )\right )} e^{\left (-\frac {b n \log \left (d\right ) + b \log \left (c\right ) + a}{b m n}\right )}}{b^{3} f m^{3} n^{3} \log \left (f x + e\right ) + b^{3} f m^{2} n^{3} \log \left (d\right ) + b^{3} f m^{2} n^{2} \log \left (c\right ) + a b^{2} f m^{2} n^{2}} \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}{\left (a + b \log {\left (c \left (d \left (e + f x\right )^{m}\right )^{n} \right )}\right )^{2}}\, dx \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. 593 vs.
\(2 (128) = 256\).
time = 4.75, size = 593, normalized size = 4.82 \begin {gather*} -\frac {{\left (f x + e\right )} b m n}{b^{3} f m^{3} n^{3} \log \left (f x + e\right ) + b^{3} f m^{2} n^{3} \log \left (d\right ) + b^{3} f m^{2} n^{2} \log \left (c\right ) + a b^{2} f m^{2} n^{2}} + \frac {b m n {\rm Ei}\left (\frac {\log \left (d\right )}{m} + \frac {\log \left (c\right )}{m n} + \frac {a}{b m n} + \log \left (f x + e\right )\right ) e^{\left (-\frac {a}{b m n}\right )} \log \left (f x + e\right )}{{\left (b^{3} f m^{3} n^{3} \log \left (f x + e\right ) + b^{3} f m^{2} n^{3} \log \left (d\right ) + b^{3} f m^{2} n^{2} \log \left (c\right ) + a b^{2} f m^{2} n^{2}\right )} c^{\frac {1}{m n}} d^{\left (\frac {1}{m}\right )}} + \frac {b n {\rm Ei}\left (\frac {\log \left (d\right )}{m} + \frac {\log \left (c\right )}{m n} + \frac {a}{b m n} + \log \left (f x + e\right )\right ) e^{\left (-\frac {a}{b m n}\right )} \log \left (d\right )}{{\left (b^{3} f m^{3} n^{3} \log \left (f x + e\right ) + b^{3} f m^{2} n^{3} \log \left (d\right ) + b^{3} f m^{2} n^{2} \log \left (c\right ) + a b^{2} f m^{2} n^{2}\right )} c^{\frac {1}{m n}} d^{\left (\frac {1}{m}\right )}} + \frac {b {\rm Ei}\left (\frac {\log \left (d\right )}{m} + \frac {\log \left (c\right )}{m n} + \frac {a}{b m n} + \log \left (f x + e\right )\right ) e^{\left (-\frac {a}{b m n}\right )} \log \left (c\right )}{{\left (b^{3} f m^{3} n^{3} \log \left (f x + e\right ) + b^{3} f m^{2} n^{3} \log \left (d\right ) + b^{3} f m^{2} n^{2} \log \left (c\right ) + a b^{2} f m^{2} n^{2}\right )} c^{\frac {1}{m n}} d^{\left (\frac {1}{m}\right )}} + \frac {a {\rm Ei}\left (\frac {\log \left (d\right )}{m} + \frac {\log \left (c\right )}{m n} + \frac {a}{b m n} + \log \left (f x + e\right )\right ) e^{\left (-\frac {a}{b m n}\right )}}{{\left (b^{3} f m^{3} n^{3} \log \left (f x + e\right ) + b^{3} f m^{2} n^{3} \log \left (d\right ) + b^{3} f m^{2} n^{2} \log \left (c\right ) + a b^{2} f m^{2} n^{2}\right )} c^{\frac {1}{m n}} d^{\left (\frac {1}{m}\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}{{\left (a+b\,\ln \left (c\,{\left (d\,{\left (e+f\,x\right )}^m\right )}^n\right )\right )}^2} \,d x \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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