Optimal. Leaf size=510 \[ \frac {i b f n \sqrt {1-\frac {g^2 x^2}{f^2}} \sin ^{-1}\left (\frac {g x}{f}\right )^2}{2 g \sqrt {f-g x} \sqrt {f+g x}}-\frac {b f n \sqrt {1-\frac {g^2 x^2}{f^2}} \sin ^{-1}\left (\frac {g x}{f}\right ) \log \left (1+\frac {e e^{i \sin ^{-1}\left (\frac {g x}{f}\right )} f}{i d g-\sqrt {e^2 f^2-d^2 g^2}}\right )}{g \sqrt {f-g x} \sqrt {f+g x}}-\frac {b f n \sqrt {1-\frac {g^2 x^2}{f^2}} \sin ^{-1}\left (\frac {g x}{f}\right ) \log \left (1+\frac {e e^{i \sin ^{-1}\left (\frac {g x}{f}\right )} f}{i d g+\sqrt {e^2 f^2-d^2 g^2}}\right )}{g \sqrt {f-g x} \sqrt {f+g x}}+\frac {f \sqrt {1-\frac {g^2 x^2}{f^2}} \sin ^{-1}\left (\frac {g x}{f}\right ) \left (a+b \log \left (c (d+e x)^n\right )\right )}{g \sqrt {f-g x} \sqrt {f+g x}}+\frac {i b f n \sqrt {1-\frac {g^2 x^2}{f^2}} \text {Li}_2\left (-\frac {e e^{i \sin ^{-1}\left (\frac {g x}{f}\right )} f}{i d g-\sqrt {e^2 f^2-d^2 g^2}}\right )}{g \sqrt {f-g x} \sqrt {f+g x}}+\frac {i b f n \sqrt {1-\frac {g^2 x^2}{f^2}} \text {Li}_2\left (-\frac {e e^{i \sin ^{-1}\left (\frac {g x}{f}\right )} f}{i d g+\sqrt {e^2 f^2-d^2 g^2}}\right )}{g \sqrt {f-g x} \sqrt {f+g x}} \]
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Rubi [A]
time = 0.45, antiderivative size = 510, normalized size of antiderivative = 1.00, number of steps
used = 11, number of rules used = 9, integrand size = 34, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.265, Rules used = {2454, 222,
2451, 12, 4825, 4617, 2221, 2317, 2438} \begin {gather*} \frac {i b f n \sqrt {1-\frac {g^2 x^2}{f^2}} \text {PolyLog}\left (2,-\frac {e f e^{i \text {ArcSin}\left (\frac {g x}{f}\right )}}{-\sqrt {e^2 f^2-d^2 g^2}+i d g}\right )}{g \sqrt {f-g x} \sqrt {f+g x}}+\frac {i b f n \sqrt {1-\frac {g^2 x^2}{f^2}} \text {PolyLog}\left (2,-\frac {e f e^{i \text {ArcSin}\left (\frac {g x}{f}\right )}}{\sqrt {e^2 f^2-d^2 g^2}+i d g}\right )}{g \sqrt {f-g x} \sqrt {f+g x}}+\frac {f \sqrt {1-\frac {g^2 x^2}{f^2}} \text {ArcSin}\left (\frac {g x}{f}\right ) \left (a+b \log \left (c (d+e x)^n\right )\right )}{g \sqrt {f-g x} \sqrt {f+g x}}-\frac {b f n \sqrt {1-\frac {g^2 x^2}{f^2}} \text {ArcSin}\left (\frac {g x}{f}\right ) \log \left (1+\frac {e f e^{i \text {ArcSin}\left (\frac {g x}{f}\right )}}{-\sqrt {e^2 f^2-d^2 g^2}+i d g}\right )}{g \sqrt {f-g x} \sqrt {f+g x}}-\frac {b f n \sqrt {1-\frac {g^2 x^2}{f^2}} \text {ArcSin}\left (\frac {g x}{f}\right ) \log \left (1+\frac {e f e^{i \text {ArcSin}\left (\frac {g x}{f}\right )}}{\sqrt {e^2 f^2-d^2 g^2}+i d g}\right )}{g \sqrt {f-g x} \sqrt {f+g x}}+\frac {i b f n \sqrt {1-\frac {g^2 x^2}{f^2}} \text {ArcSin}\left (\frac {g x}{f}\right )^2}{2 g \sqrt {f-g x} \sqrt {f+g x}} \end {gather*}
Antiderivative was successfully verified.
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Rule 12
Rule 222
Rule 2221
Rule 2317
Rule 2438
Rule 2451
Rule 2454
Rule 4617
Rule 4825
Rubi steps
\begin {align*} \int \frac {a+b \log \left (c (d+e x)^n\right )}{\sqrt {f-g x} \sqrt {f+g x}} \, dx &=\frac {\sqrt {1-\frac {g^2 x^2}{f^2}} \int \frac {a+b \log \left (c (d+e x)^n\right )}{\sqrt {1-\frac {g^2 x^2}{f^2}}} \, dx}{\sqrt {f-g x} \sqrt {f+g x}}\\ &=\frac {f \sqrt {1-\frac {g^2 x^2}{f^2}} \sin ^{-1}\left (\frac {g x}{f}\right ) \left (a+b \log \left (c (d+e x)^n\right )\right )}{g \sqrt {f-g x} \sqrt {f+g x}}-\frac {\left (b e n \sqrt {1-\frac {g^2 x^2}{f^2}}\right ) \int \frac {f \sin ^{-1}\left (\frac {g x}{f}\right )}{d g+e g x} \, dx}{\sqrt {f-g x} \sqrt {f+g x}}\\ &=\frac {f \sqrt {1-\frac {g^2 x^2}{f^2}} \sin ^{-1}\left (\frac {g x}{f}\right ) \left (a+b \log \left (c (d+e x)^n\right )\right )}{g \sqrt {f-g x} \sqrt {f+g x}}-\frac {\left (b e f n \sqrt {1-\frac {g^2 x^2}{f^2}}\right ) \int \frac {\sin ^{-1}\left (\frac {g x}{f}\right )}{d g+e g x} \, dx}{\sqrt {f-g x} \sqrt {f+g x}}\\ &=\frac {f \sqrt {1-\frac {g^2 x^2}{f^2}} \sin ^{-1}\left (\frac {g x}{f}\right ) \left (a+b \log \left (c (d+e x)^n\right )\right )}{g \sqrt {f-g x} \sqrt {f+g x}}-\frac {\left (b e f n \sqrt {1-\frac {g^2 x^2}{f^2}}\right ) \text {Subst}\left (\int \frac {x \cos (x)}{\frac {d g^2}{f}+e g \sin (x)} \, dx,x,\sin ^{-1}\left (\frac {g x}{f}\right )\right )}{\sqrt {f-g x} \sqrt {f+g x}}\\ &=\frac {i b f n \sqrt {1-\frac {g^2 x^2}{f^2}} \sin ^{-1}\left (\frac {g x}{f}\right )^2}{2 g \sqrt {f-g x} \sqrt {f+g x}}+\frac {f \sqrt {1-\frac {g^2 x^2}{f^2}} \sin ^{-1}\left (\frac {g x}{f}\right ) \left (a+b \log \left (c (d+e x)^n\right )\right )}{g \sqrt {f-g x} \sqrt {f+g x}}-\frac {\left (i b e f n \sqrt {1-\frac {g^2 x^2}{f^2}}\right ) \text {Subst}\left (\int \frac {e^{i x} x}{e e^{i x} g+\frac {i d g^2}{f}-\frac {g \sqrt {e^2 f^2-d^2 g^2}}{f}} \, dx,x,\sin ^{-1}\left (\frac {g x}{f}\right )\right )}{\sqrt {f-g x} \sqrt {f+g x}}-\frac {\left (i b e f n \sqrt {1-\frac {g^2 x^2}{f^2}}\right ) \text {Subst}\left (\int \frac {e^{i x} x}{e e^{i x} g+\frac {i d g^2}{f}+\frac {g \sqrt {e^2 f^2-d^2 g^2}}{f}} \, dx,x,\sin ^{-1}\left (\frac {g x}{f}\right )\right )}{\sqrt {f-g x} \sqrt {f+g x}}\\ &=\frac {i b f n \sqrt {1-\frac {g^2 x^2}{f^2}} \sin ^{-1}\left (\frac {g x}{f}\right )^2}{2 g \sqrt {f-g x} \sqrt {f+g x}}-\frac {b f n \sqrt {1-\frac {g^2 x^2}{f^2}} \sin ^{-1}\left (\frac {g x}{f}\right ) \log \left (1+\frac {e e^{i \sin ^{-1}\left (\frac {g x}{f}\right )} f}{i d g-\sqrt {e^2 f^2-d^2 g^2}}\right )}{g \sqrt {f-g x} \sqrt {f+g x}}-\frac {b f n \sqrt {1-\frac {g^2 x^2}{f^2}} \sin ^{-1}\left (\frac {g x}{f}\right ) \log \left (1+\frac {e e^{i \sin ^{-1}\left (\frac {g x}{f}\right )} f}{i d g+\sqrt {e^2 f^2-d^2 g^2}}\right )}{g \sqrt {f-g x} \sqrt {f+g x}}+\frac {f \sqrt {1-\frac {g^2 x^2}{f^2}} \sin ^{-1}\left (\frac {g x}{f}\right ) \left (a+b \log \left (c (d+e x)^n\right )\right )}{g \sqrt {f-g x} \sqrt {f+g x}}+\frac {\left (b f n \sqrt {1-\frac {g^2 x^2}{f^2}}\right ) \text {Subst}\left (\int \log \left (1+\frac {e e^{i x} g}{\frac {i d g^2}{f}-\frac {g \sqrt {e^2 f^2-d^2 g^2}}{f}}\right ) \, dx,x,\sin ^{-1}\left (\frac {g x}{f}\right )\right )}{g \sqrt {f-g x} \sqrt {f+g x}}+\frac {\left (b f n \sqrt {1-\frac {g^2 x^2}{f^2}}\right ) \text {Subst}\left (\int \log \left (1+\frac {e e^{i x} g}{\frac {i d g^2}{f}+\frac {g \sqrt {e^2 f^2-d^2 g^2}}{f}}\right ) \, dx,x,\sin ^{-1}\left (\frac {g x}{f}\right )\right )}{g \sqrt {f-g x} \sqrt {f+g x}}\\ &=\frac {i b f n \sqrt {1-\frac {g^2 x^2}{f^2}} \sin ^{-1}\left (\frac {g x}{f}\right )^2}{2 g \sqrt {f-g x} \sqrt {f+g x}}-\frac {b f n \sqrt {1-\frac {g^2 x^2}{f^2}} \sin ^{-1}\left (\frac {g x}{f}\right ) \log \left (1+\frac {e e^{i \sin ^{-1}\left (\frac {g x}{f}\right )} f}{i d g-\sqrt {e^2 f^2-d^2 g^2}}\right )}{g \sqrt {f-g x} \sqrt {f+g x}}-\frac {b f n \sqrt {1-\frac {g^2 x^2}{f^2}} \sin ^{-1}\left (\frac {g x}{f}\right ) \log \left (1+\frac {e e^{i \sin ^{-1}\left (\frac {g x}{f}\right )} f}{i d g+\sqrt {e^2 f^2-d^2 g^2}}\right )}{g \sqrt {f-g x} \sqrt {f+g x}}+\frac {f \sqrt {1-\frac {g^2 x^2}{f^2}} \sin ^{-1}\left (\frac {g x}{f}\right ) \left (a+b \log \left (c (d+e x)^n\right )\right )}{g \sqrt {f-g x} \sqrt {f+g x}}-\frac {\left (i b f n \sqrt {1-\frac {g^2 x^2}{f^2}}\right ) \text {Subst}\left (\int \frac {\log \left (1+\frac {e g x}{\frac {i d g^2}{f}-\frac {g \sqrt {e^2 f^2-d^2 g^2}}{f}}\right )}{x} \, dx,x,e^{i \sin ^{-1}\left (\frac {g x}{f}\right )}\right )}{g \sqrt {f-g x} \sqrt {f+g x}}-\frac {\left (i b f n \sqrt {1-\frac {g^2 x^2}{f^2}}\right ) \text {Subst}\left (\int \frac {\log \left (1+\frac {e g x}{\frac {i d g^2}{f}+\frac {g \sqrt {e^2 f^2-d^2 g^2}}{f}}\right )}{x} \, dx,x,e^{i \sin ^{-1}\left (\frac {g x}{f}\right )}\right )}{g \sqrt {f-g x} \sqrt {f+g x}}\\ &=\frac {i b f n \sqrt {1-\frac {g^2 x^2}{f^2}} \sin ^{-1}\left (\frac {g x}{f}\right )^2}{2 g \sqrt {f-g x} \sqrt {f+g x}}-\frac {b f n \sqrt {1-\frac {g^2 x^2}{f^2}} \sin ^{-1}\left (\frac {g x}{f}\right ) \log \left (1+\frac {e e^{i \sin ^{-1}\left (\frac {g x}{f}\right )} f}{i d g-\sqrt {e^2 f^2-d^2 g^2}}\right )}{g \sqrt {f-g x} \sqrt {f+g x}}-\frac {b f n \sqrt {1-\frac {g^2 x^2}{f^2}} \sin ^{-1}\left (\frac {g x}{f}\right ) \log \left (1+\frac {e e^{i \sin ^{-1}\left (\frac {g x}{f}\right )} f}{i d g+\sqrt {e^2 f^2-d^2 g^2}}\right )}{g \sqrt {f-g x} \sqrt {f+g x}}+\frac {f \sqrt {1-\frac {g^2 x^2}{f^2}} \sin ^{-1}\left (\frac {g x}{f}\right ) \left (a+b \log \left (c (d+e x)^n\right )\right )}{g \sqrt {f-g x} \sqrt {f+g x}}+\frac {i b f n \sqrt {1-\frac {g^2 x^2}{f^2}} \text {Li}_2\left (-\frac {e e^{i \sin ^{-1}\left (\frac {g x}{f}\right )} f}{i d g-\sqrt {e^2 f^2-d^2 g^2}}\right )}{g \sqrt {f-g x} \sqrt {f+g x}}+\frac {i b f n \sqrt {1-\frac {g^2 x^2}{f^2}} \text {Li}_2\left (-\frac {e e^{i \sin ^{-1}\left (\frac {g x}{f}\right )} f}{i d g+\sqrt {e^2 f^2-d^2 g^2}}\right )}{g \sqrt {f-g x} \sqrt {f+g x}}\\ \end {align*}
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Mathematica [B] Both result and optimal contain complex but leaf count is larger than twice
the leaf count of optimal. \(1077\) vs. \(2(510)=1020\).
time = 3.13, size = 1077, normalized size = 2.11 \begin {gather*} \frac {\tan ^{-1}\left (\frac {g x}{\sqrt {f-g x} \sqrt {f+g x}}\right ) \left (a-b n \log (d+e x)+b \log \left (c (d+e x)^n\right )\right )}{g}-\frac {i b n \sqrt {f-g x} \sqrt {\frac {f+g x}{f-g x}} \left (2 \log (d+e x) \log \left (i-\sqrt {\frac {f+g x}{f-g x}}\right )+\log ^2\left (i-\sqrt {\frac {f+g x}{f-g x}}\right )+2 \log \left (i-\sqrt {\frac {f+g x}{f-g x}}\right ) \log \left (\frac {1}{2} \left (1-i \sqrt {\frac {f+g x}{f-g x}}\right )\right )-2 \log (d+e x) \log \left (i+\sqrt {\frac {f+g x}{f-g x}}\right )-2 \log \left (\frac {1}{2} \left (1+i \sqrt {\frac {f+g x}{f-g x}}\right )\right ) \log \left (i+\sqrt {\frac {f+g x}{f-g x}}\right )-\log ^2\left (i+\sqrt {\frac {f+g x}{f-g x}}\right )-2 \log \left (i-\sqrt {\frac {f+g x}{f-g x}}\right ) \log \left (\frac {\sqrt {e f-d g}-\sqrt {e f+d g} \sqrt {\frac {f+g x}{f-g x}}}{\sqrt {e f-d g}-i \sqrt {e f+d g}}\right )+2 \log \left (i+\sqrt {\frac {f+g x}{f-g x}}\right ) \log \left (\frac {\sqrt {e f-d g}-\sqrt {e f+d g} \sqrt {\frac {f+g x}{f-g x}}}{\sqrt {e f-d g}+i \sqrt {e f+d g}}\right )+2 \log \left (i+\sqrt {\frac {f+g x}{f-g x}}\right ) \log \left (\frac {\sqrt {e f-d g}+\sqrt {e f+d g} \sqrt {\frac {f+g x}{f-g x}}}{\sqrt {e f-d g}-i \sqrt {e f+d g}}\right )-2 \log \left (i-\sqrt {\frac {f+g x}{f-g x}}\right ) \log \left (\frac {\sqrt {e f-d g}+\sqrt {e f+d g} \sqrt {\frac {f+g x}{f-g x}}}{\sqrt {e f-d g}+i \sqrt {e f+d g}}\right )-2 \text {Li}_2\left (\frac {1}{2}-\frac {1}{2} i \sqrt {\frac {f+g x}{f-g x}}\right )+2 \text {Li}_2\left (\frac {1}{2}+\frac {1}{2} i \sqrt {\frac {f+g x}{f-g x}}\right )+2 \text {Li}_2\left (\frac {\sqrt {e f+d g} \left (1-i \sqrt {\frac {f+g x}{f-g x}}\right )}{i \sqrt {e f-d g}+\sqrt {e f+d g}}\right )-2 \text {Li}_2\left (\frac {\sqrt {e f+d g} \left (1+i \sqrt {\frac {f+g x}{f-g x}}\right )}{-i \sqrt {e f-d g}+\sqrt {e f+d g}}\right )-2 \text {Li}_2\left (\frac {\sqrt {e f+d g} \left (1+i \sqrt {\frac {f+g x}{f-g x}}\right )}{i \sqrt {e f-d g}+\sqrt {e f+d g}}\right )+2 \text {Li}_2\left (\frac {\sqrt {e f+d g} \left (i+\sqrt {\frac {f+g x}{f-g x}}\right )}{\sqrt {e f-d g}+i \sqrt {e f+d g}}\right )\right )}{2 g \sqrt {f+g x}} \end {gather*}
Antiderivative was successfully verified.
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Maple [F]
time = 0.28, size = 0, normalized size = 0.00 \[\int \frac {a +b \ln \left (c \left (e x +d \right )^{n}\right )}{\sqrt {-g x +f}\, \sqrt {g x +f}}\, dx\]
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 [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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Sympy [F]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \int \frac {a + b \log {\left (c \left (d + e x\right )^{n} \right )}}{\sqrt {f - g x} \sqrt {f + g x}}\, dx \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 [F]
time = 0.00, size = -1, normalized size = -0.00 \begin {gather*} \int \frac {a+b\,\ln \left (c\,{\left (d+e\,x\right )}^n\right )}{\sqrt {f+g\,x}\,\sqrt {f-g\,x}} \,d x \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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