Optimal. Leaf size=146 \[ -\frac {i c^{3/2} \tanh ^{-1}\left (\frac {\sqrt {c-i c \tan (e+f x)}}{\sqrt {2} \sqrt {c}}\right )}{8 \sqrt {2} a^2 f}+\frac {i c^3 \sqrt {c-i c \tan (e+f x)}}{2 a^2 f (c+i c \tan (e+f x))^2}-\frac {i c^2 \sqrt {c-i c \tan (e+f x)}}{8 a^2 f (c+i c \tan (e+f x))} \]
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Rubi [A]
time = 0.13, antiderivative size = 146, normalized size of antiderivative = 1.00, number of steps
used = 6, number of rules used = 6, integrand size = 33, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.182, Rules used = {3603, 3568, 43,
44, 65, 212} \begin {gather*} -\frac {i c^{3/2} \tanh ^{-1}\left (\frac {\sqrt {c-i c \tan (e+f x)}}{\sqrt {2} \sqrt {c}}\right )}{8 \sqrt {2} a^2 f}+\frac {i c^3 \sqrt {c-i c \tan (e+f x)}}{2 a^2 f (c+i c \tan (e+f x))^2}-\frac {i c^2 \sqrt {c-i c \tan (e+f x)}}{8 a^2 f (c+i c \tan (e+f x))} \end {gather*}
Antiderivative was successfully verified.
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Rule 43
Rule 44
Rule 65
Rule 212
Rule 3568
Rule 3603
Rubi steps
\begin {align*} \int \frac {(c-i c \tan (e+f x))^{3/2}}{(a+i a \tan (e+f x))^2} \, dx &=\frac {\int \cos ^4(e+f x) (c-i c \tan (e+f x))^{7/2} \, dx}{a^2 c^2}\\ &=\frac {\left (i c^3\right ) \text {Subst}\left (\int \frac {\sqrt {c+x}}{(c-x)^3} \, dx,x,-i c \tan (e+f x)\right )}{a^2 f}\\ &=\frac {i c^3 \sqrt {c-i c \tan (e+f x)}}{2 a^2 f (c+i c \tan (e+f x))^2}-\frac {\left (i c^3\right ) \text {Subst}\left (\int \frac {1}{(c-x)^2 \sqrt {c+x}} \, dx,x,-i c \tan (e+f x)\right )}{4 a^2 f}\\ &=\frac {i c^3 \sqrt {c-i c \tan (e+f x)}}{2 a^2 f (c+i c \tan (e+f x))^2}-\frac {i c^2 \sqrt {c-i c \tan (e+f x)}}{8 a^2 f (c+i c \tan (e+f x))}-\frac {\left (i c^2\right ) \text {Subst}\left (\int \frac {1}{(c-x) \sqrt {c+x}} \, dx,x,-i c \tan (e+f x)\right )}{16 a^2 f}\\ &=\frac {i c^3 \sqrt {c-i c \tan (e+f x)}}{2 a^2 f (c+i c \tan (e+f x))^2}-\frac {i c^2 \sqrt {c-i c \tan (e+f x)}}{8 a^2 f (c+i c \tan (e+f x))}-\frac {\left (i c^2\right ) \text {Subst}\left (\int \frac {1}{2 c-x^2} \, dx,x,\sqrt {c-i c \tan (e+f x)}\right )}{8 a^2 f}\\ &=-\frac {i c^{3/2} \tanh ^{-1}\left (\frac {\sqrt {c-i c \tan (e+f x)}}{\sqrt {2} \sqrt {c}}\right )}{8 \sqrt {2} a^2 f}+\frac {i c^3 \sqrt {c-i c \tan (e+f x)}}{2 a^2 f (c+i c \tan (e+f x))^2}-\frac {i c^2 \sqrt {c-i c \tan (e+f x)}}{8 a^2 f (c+i c \tan (e+f x))}\\ \end {align*}
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Mathematica [A]
time = 1.41, size = 136, normalized size = 0.93 \begin {gather*} \frac {c (\cos (2 (e+f x))-i \sin (2 (e+f x))) \left (\sqrt {2} \sqrt {c} \tanh ^{-1}\left (\frac {\sqrt {c-i c \tan (e+f x)}}{\sqrt {2} \sqrt {c}}\right ) (-i \cos (2 (e+f x))+\sin (2 (e+f x)))+(3 i+3 i \cos (2 (e+f x))+\sin (2 (e+f x))) \sqrt {c-i c \tan (e+f x)}\right )}{16 a^2 f} \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 0.32, size = 97, normalized size = 0.66
method | result | size |
derivativedivides | \(-\frac {2 i c^{3} \left (-\frac {4 \left (\frac {\left (c -i c \tan \left (f x +e \right )\right )^{\frac {3}{2}}}{64 c}+\frac {\sqrt {c -i c \tan \left (f x +e \right )}}{32}\right )}{\left (c +i c \tan \left (f x +e \right )\right )^{2}}+\frac {\sqrt {2}\, \arctanh \left (\frac {\sqrt {c -i c \tan \left (f x +e \right )}\, \sqrt {2}}{2 \sqrt {c}}\right )}{32 c^{\frac {3}{2}}}\right )}{f \,a^{2}}\) | \(97\) |
default | \(-\frac {2 i c^{3} \left (-\frac {4 \left (\frac {\left (c -i c \tan \left (f x +e \right )\right )^{\frac {3}{2}}}{64 c}+\frac {\sqrt {c -i c \tan \left (f x +e \right )}}{32}\right )}{\left (c +i c \tan \left (f x +e \right )\right )^{2}}+\frac {\sqrt {2}\, \arctanh \left (\frac {\sqrt {c -i c \tan \left (f x +e \right )}\, \sqrt {2}}{2 \sqrt {c}}\right )}{32 c^{\frac {3}{2}}}\right )}{f \,a^{2}}\) | \(97\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A]
time = 0.54, size = 157, normalized size = 1.08 \begin {gather*} \frac {i \, {\left (\frac {\sqrt {2} c^{\frac {5}{2}} \log \left (-\frac {\sqrt {2} \sqrt {c} - \sqrt {-i \, c \tan \left (f x + e\right ) + c}}{\sqrt {2} \sqrt {c} + \sqrt {-i \, c \tan \left (f x + e\right ) + c}}\right )}{a^{2}} + \frac {4 \, {\left ({\left (-i \, c \tan \left (f x + e\right ) + c\right )}^{\frac {3}{2}} c^{3} + 2 \, \sqrt {-i \, c \tan \left (f x + e\right ) + c} c^{4}\right )}}{{\left (-i \, c \tan \left (f x + e\right ) + c\right )}^{2} a^{2} - 4 \, {\left (-i \, c \tan \left (f x + e\right ) + c\right )} a^{2} c + 4 \, a^{2} c^{2}}\right )}}{32 \, c f} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [B] Both result and optimal contain complex but leaf count of result is larger than twice
the leaf count of optimal. 303 vs. \(2 (116) = 232\).
time = 0.76, size = 303, normalized size = 2.08 \begin {gather*} -\frac {{\left (\sqrt {\frac {1}{2}} a^{2} f \sqrt {-\frac {c^{3}}{a^{4} f^{2}}} e^{\left (4 i \, f x + 4 i \, e\right )} \log \left (-\frac {{\left (\sqrt {2} \sqrt {\frac {1}{2}} {\left (a^{2} f e^{\left (2 i \, f x + 2 i \, e\right )} + a^{2} f\right )} \sqrt {\frac {c}{e^{\left (2 i \, f x + 2 i \, e\right )} + 1}} \sqrt {-\frac {c^{3}}{a^{4} f^{2}}} + i \, c^{2}\right )} e^{\left (-i \, f x - i \, e\right )}}{4 \, a^{2} f}\right ) - \sqrt {\frac {1}{2}} a^{2} f \sqrt {-\frac {c^{3}}{a^{4} f^{2}}} e^{\left (4 i \, f x + 4 i \, e\right )} \log \left (\frac {{\left (\sqrt {2} \sqrt {\frac {1}{2}} {\left (a^{2} f e^{\left (2 i \, f x + 2 i \, e\right )} + a^{2} f\right )} \sqrt {\frac {c}{e^{\left (2 i \, f x + 2 i \, e\right )} + 1}} \sqrt {-\frac {c^{3}}{a^{4} f^{2}}} - i \, c^{2}\right )} e^{\left (-i \, f x - i \, e\right )}}{4 \, a^{2} f}\right ) - \sqrt {2} {\left (i \, c e^{\left (4 i \, f x + 4 i \, e\right )} + 3 i \, c e^{\left (2 i \, f x + 2 i \, e\right )} + 2 i \, c\right )} \sqrt {\frac {c}{e^{\left (2 i \, f x + 2 i \, e\right )} + 1}}\right )} e^{\left (-4 i \, f x - 4 i \, e\right )}}{16 \, a^{2} f} \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*} - \frac {\int \frac {c \sqrt {- i c \tan {\left (e + f x \right )} + c}}{\tan ^{2}{\left (e + f x \right )} - 2 i \tan {\left (e + f x \right )} - 1}\, dx + \int \left (- \frac {i c \sqrt {- i c \tan {\left (e + f x \right )} + c} \tan {\left (e + f x \right )}}{\tan ^{2}{\left (e + f x \right )} - 2 i \tan {\left (e + f x \right )} - 1}\right )\, dx}{a^{2}} \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 = 4.89, size = 134, normalized size = 0.92 \begin {gather*} \frac {\frac {c^3\,\sqrt {c-c\,\mathrm {tan}\left (e+f\,x\right )\,1{}\mathrm {i}}\,1{}\mathrm {i}}{4\,a^2\,f}+\frac {c^2\,{\left (c-c\,\mathrm {tan}\left (e+f\,x\right )\,1{}\mathrm {i}\right )}^{3/2}\,1{}\mathrm {i}}{8\,a^2\,f}}{{\left (c-c\,\mathrm {tan}\left (e+f\,x\right )\,1{}\mathrm {i}\right )}^2-4\,c\,\left (c-c\,\mathrm {tan}\left (e+f\,x\right )\,1{}\mathrm {i}\right )+4\,c^2}+\frac {\sqrt {2}\,{\left (-c\right )}^{3/2}\,\mathrm {atan}\left (\frac {\sqrt {2}\,\sqrt {c-c\,\mathrm {tan}\left (e+f\,x\right )\,1{}\mathrm {i}}}{2\,\sqrt {-c}}\right )\,1{}\mathrm {i}}{16\,a^2\,f} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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