Optimal. Leaf size=114 \[ -8 a^8 x+\frac {8 i a^8 \log (\cos (c+d x))}{d}+\frac {a^8 \tan (c+d x)}{d}-\frac {16 i a^{11}}{3 d (a-i a \tan (c+d x))^3}+\frac {16 i a^{10}}{d (a-i a \tan (c+d x))^2}-\frac {24 i a^9}{d (a-i a \tan (c+d x))} \]
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Rubi [A]
time = 0.06, antiderivative size = 114, normalized size of antiderivative = 1.00, number of steps
used = 3, number of rules used = 2, integrand size = 24, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.083, Rules used = {3568, 45}
\begin {gather*} -\frac {16 i a^{11}}{3 d (a-i a \tan (c+d x))^3}+\frac {16 i a^{10}}{d (a-i a \tan (c+d x))^2}-\frac {24 i a^9}{d (a-i a \tan (c+d x))}+\frac {a^8 \tan (c+d x)}{d}+\frac {8 i a^8 \log (\cos (c+d x))}{d}-8 a^8 x \end {gather*}
Antiderivative was successfully verified.
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Rule 45
Rule 3568
Rubi steps
\begin {align*} \int \cos ^6(c+d x) (a+i a \tan (c+d x))^8 \, dx &=-\frac {\left (i a^7\right ) \text {Subst}\left (\int \frac {(a+x)^4}{(a-x)^4} \, dx,x,i a \tan (c+d x)\right )}{d}\\ &=-\frac {\left (i a^7\right ) \text {Subst}\left (\int \left (1+\frac {16 a^4}{(a-x)^4}-\frac {32 a^3}{(a-x)^3}+\frac {24 a^2}{(a-x)^2}-\frac {8 a}{a-x}\right ) \, dx,x,i a \tan (c+d x)\right )}{d}\\ &=-8 a^8 x+\frac {8 i a^8 \log (\cos (c+d x))}{d}+\frac {a^8 \tan (c+d x)}{d}-\frac {16 i a^{11}}{3 d (a-i a \tan (c+d x))^3}+\frac {16 i a^{10}}{d (a-i a \tan (c+d x))^2}-\frac {24 i a^9}{d (a-i a \tan (c+d 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. \(414\) vs. \(2(114)=228\).
time = 1.75, size = 414, normalized size = 3.63 \begin {gather*} -\frac {a^8 \sec (c) \sec (c+d x) \left (12 i \cos (c)+10 i \cos (3 c+2 d x)+12 d x \cos (3 c+2 d x)-2 i \cos (3 c+4 d x)+12 d x \cos (3 c+4 d x)+i \cos (5 c+4 d x)+12 d x \cos (5 c+4 d x)+\cos (c+2 d x) \left (7 i+12 d x-6 i \log \left (\cos ^2(c+d x)\right )\right )-6 i \cos (3 c+2 d x) \log \left (\cos ^2(c+d x)\right )-6 i \cos (3 c+4 d x) \log \left (\cos ^2(c+d x)\right )-6 i \cos (5 c+4 d x) \log \left (\cos ^2(c+d x)\right )+11 \sin (c+2 d x)-12 i d x \sin (c+2 d x)-6 \log \left (\cos ^2(c+d x)\right ) \sin (c+2 d x)+14 \sin (3 c+2 d x)-12 i d x \sin (3 c+2 d x)-6 \log \left (\cos ^2(c+d x)\right ) \sin (3 c+2 d x)-4 \sin (3 c+4 d x)-12 i d x \sin (3 c+4 d x)-6 \log \left (\cos ^2(c+d x)\right ) \sin (3 c+4 d x)-\sin (5 c+4 d x)-12 i d x \sin (5 c+4 d x)-6 \log \left (\cos ^2(c+d x)\right ) \sin (5 c+4 d x)\right ) (\cos (3 c+11 d x)+i \sin (3 c+11 d x))}{6 d (\cos (d x)+i \sin (d x))^8} \end {gather*}
Antiderivative was successfully verified.
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Maple [B] Both result and optimal contain complex but leaf count of result is larger than twice
the leaf count of optimal. 397 vs. \(2 (105 ) = 210\).
time = 0.20, size = 398, normalized size = 3.49
method | result | size |
risch | \(-\frac {2 i a^{8} {\mathrm e}^{6 i \left (d x +c \right )}}{3 d}+\frac {2 i a^{8} {\mathrm e}^{4 i \left (d x +c \right )}}{d}-\frac {6 i a^{8} {\mathrm e}^{2 i \left (d x +c \right )}}{d}+\frac {16 a^{8} c}{d}+\frac {2 i a^{8}}{d \left ({\mathrm e}^{2 i \left (d x +c \right )}+1\right )}+\frac {8 i a^{8} \ln \left ({\mathrm e}^{2 i \left (d x +c \right )}+1\right )}{d}\) | \(108\) |
derivativedivides | \(\frac {a^{8} \left (\frac {\sin ^{9}\left (d x +c \right )}{\cos \left (d x +c \right )}+\left (\sin ^{7}\left (d x +c \right )+\frac {7 \left (\sin ^{5}\left (d x +c \right )\right )}{6}+\frac {35 \left (\sin ^{3}\left (d x +c \right )\right )}{24}+\frac {35 \sin \left (d x +c \right )}{16}\right ) \cos \left (d x +c \right )-\frac {35 d x}{16}-\frac {35 c}{16}\right )+\frac {28 i a^{8} \left (\sin ^{6}\left (d x +c \right )\right )}{3}-28 a^{8} \left (-\frac {\left (\sin ^{5}\left (d x +c \right )+\frac {5 \left (\sin ^{3}\left (d x +c \right )\right )}{4}+\frac {15 \sin \left (d x +c \right )}{8}\right ) \cos \left (d x +c \right )}{6}+\frac {5 d x}{16}+\frac {5 c}{16}\right )-56 i a^{8} \left (-\frac {\left (\sin ^{2}\left (d x +c \right )\right ) \left (\cos ^{4}\left (d x +c \right )\right )}{6}-\frac {\left (\cos ^{4}\left (d x +c \right )\right )}{12}\right )+70 a^{8} \left (-\frac {\left (\sin ^{3}\left (d x +c \right )\right ) \left (\cos ^{3}\left (d x +c \right )\right )}{6}-\frac {\sin \left (d x +c \right ) \left (\cos ^{3}\left (d x +c \right )\right )}{8}+\frac {\sin \left (d x +c \right ) \cos \left (d x +c \right )}{16}+\frac {d x}{16}+\frac {c}{16}\right )-\frac {4 i a^{8} \left (\cos ^{6}\left (d x +c \right )\right )}{3}-28 a^{8} \left (-\frac {\sin \left (d x +c \right ) \left (\cos ^{5}\left (d x +c \right )\right )}{6}+\frac {\left (\cos ^{3}\left (d x +c \right )+\frac {3 \cos \left (d x +c \right )}{2}\right ) \sin \left (d x +c \right )}{24}+\frac {d x}{16}+\frac {c}{16}\right )-8 i a^{8} \left (-\frac {\left (\sin ^{6}\left (d x +c \right )\right )}{6}-\frac {\left (\sin ^{4}\left (d x +c \right )\right )}{4}-\frac {\left (\sin ^{2}\left (d x +c \right )\right )}{2}-\ln \left (\cos \left (d x +c \right )\right )\right )+a^{8} \left (\frac {\left (\cos ^{5}\left (d x +c \right )+\frac {5 \left (\cos ^{3}\left (d x +c \right )\right )}{4}+\frac {15 \cos \left (d x +c \right )}{8}\right ) \sin \left (d x +c \right )}{6}+\frac {5 d x}{16}+\frac {5 c}{16}\right )}{d}\) | \(398\) |
default | \(\frac {a^{8} \left (\frac {\sin ^{9}\left (d x +c \right )}{\cos \left (d x +c \right )}+\left (\sin ^{7}\left (d x +c \right )+\frac {7 \left (\sin ^{5}\left (d x +c \right )\right )}{6}+\frac {35 \left (\sin ^{3}\left (d x +c \right )\right )}{24}+\frac {35 \sin \left (d x +c \right )}{16}\right ) \cos \left (d x +c \right )-\frac {35 d x}{16}-\frac {35 c}{16}\right )+\frac {28 i a^{8} \left (\sin ^{6}\left (d x +c \right )\right )}{3}-28 a^{8} \left (-\frac {\left (\sin ^{5}\left (d x +c \right )+\frac {5 \left (\sin ^{3}\left (d x +c \right )\right )}{4}+\frac {15 \sin \left (d x +c \right )}{8}\right ) \cos \left (d x +c \right )}{6}+\frac {5 d x}{16}+\frac {5 c}{16}\right )-56 i a^{8} \left (-\frac {\left (\sin ^{2}\left (d x +c \right )\right ) \left (\cos ^{4}\left (d x +c \right )\right )}{6}-\frac {\left (\cos ^{4}\left (d x +c \right )\right )}{12}\right )+70 a^{8} \left (-\frac {\left (\sin ^{3}\left (d x +c \right )\right ) \left (\cos ^{3}\left (d x +c \right )\right )}{6}-\frac {\sin \left (d x +c \right ) \left (\cos ^{3}\left (d x +c \right )\right )}{8}+\frac {\sin \left (d x +c \right ) \cos \left (d x +c \right )}{16}+\frac {d x}{16}+\frac {c}{16}\right )-\frac {4 i a^{8} \left (\cos ^{6}\left (d x +c \right )\right )}{3}-28 a^{8} \left (-\frac {\sin \left (d x +c \right ) \left (\cos ^{5}\left (d x +c \right )\right )}{6}+\frac {\left (\cos ^{3}\left (d x +c \right )+\frac {3 \cos \left (d x +c \right )}{2}\right ) \sin \left (d x +c \right )}{24}+\frac {d x}{16}+\frac {c}{16}\right )-8 i a^{8} \left (-\frac {\left (\sin ^{6}\left (d x +c \right )\right )}{6}-\frac {\left (\sin ^{4}\left (d x +c \right )\right )}{4}-\frac {\left (\sin ^{2}\left (d x +c \right )\right )}{2}-\ln \left (\cos \left (d x +c \right )\right )\right )+a^{8} \left (\frac {\left (\cos ^{5}\left (d x +c \right )+\frac {5 \left (\cos ^{3}\left (d x +c \right )\right )}{4}+\frac {15 \cos \left (d x +c \right )}{8}\right ) \sin \left (d x +c \right )}{6}+\frac {5 d x}{16}+\frac {5 c}{16}\right )}{d}\) | \(398\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A]
time = 0.50, size = 146, normalized size = 1.28 \begin {gather*} -\frac {24 \, {\left (d x + c\right )} a^{8} + 12 i \, a^{8} \log \left (\tan \left (d x + c\right )^{2} + 1\right ) - 3 \, a^{8} \tan \left (d x + c\right ) - \frac {8 \, {\left (9 \, a^{8} \tan \left (d x + c\right )^{5} - 15 i \, a^{8} \tan \left (d x + c\right )^{4} + 4 \, a^{8} \tan \left (d x + c\right )^{3} - 12 i \, a^{8} \tan \left (d x + c\right )^{2} + 3 \, a^{8} \tan \left (d x + c\right ) - 5 i \, a^{8}\right )}}{\tan \left (d x + c\right )^{6} + 3 \, \tan \left (d x + c\right )^{4} + 3 \, \tan \left (d x + c\right )^{2} + 1}}{3 \, d} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 0.38, size = 113, normalized size = 0.99 \begin {gather*} -\frac {2 \, {\left (i \, a^{8} e^{\left (8 i \, d x + 8 i \, c\right )} - 2 i \, a^{8} e^{\left (6 i \, d x + 6 i \, c\right )} + 6 i \, a^{8} e^{\left (4 i \, d x + 4 i \, c\right )} + 9 i \, a^{8} e^{\left (2 i \, d x + 2 i \, c\right )} - 3 i \, a^{8} + 12 \, {\left (-i \, a^{8} e^{\left (2 i \, d x + 2 i \, c\right )} - i \, a^{8}\right )} \log \left (e^{\left (2 i \, d x + 2 i \, c\right )} + 1\right )\right )}}{3 \, {\left (d e^{\left (2 i \, d x + 2 i \, c\right )} + d\right )}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A]
time = 0.51, size = 172, normalized size = 1.51 \begin {gather*} \frac {2 i a^{8}}{d e^{2 i c} e^{2 i d x} + d} + \frac {8 i a^{8} \log {\left (e^{2 i d x} + e^{- 2 i c} \right )}}{d} + \begin {cases} \frac {- 2 i a^{8} d^{2} e^{6 i c} e^{6 i d x} + 6 i a^{8} d^{2} e^{4 i c} e^{4 i d x} - 18 i a^{8} d^{2} e^{2 i c} e^{2 i d x}}{3 d^{3}} & \text {for}\: d^{3} \neq 0 \\x \left (4 a^{8} e^{6 i c} - 8 a^{8} e^{4 i c} + 12 a^{8} e^{2 i c}\right ) & \text {otherwise} \end {cases} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [B] Both result and optimal contain complex but leaf count of result is larger than twice
the leaf count of optimal. 799 vs. \(2 (98) = 196\).
time = 1.18, size = 799, normalized size = 7.01 \begin {gather*} -\frac {2 \, {\left (-12 i \, a^{8} e^{\left (28 i \, d x + 14 i \, c\right )} \log \left (e^{\left (2 i \, d x + 2 i \, c\right )} + 1\right ) - 168 i \, a^{8} e^{\left (26 i \, d x + 12 i \, c\right )} \log \left (e^{\left (2 i \, d x + 2 i \, c\right )} + 1\right ) - 1092 i \, a^{8} e^{\left (24 i \, d x + 10 i \, c\right )} \log \left (e^{\left (2 i \, d x + 2 i \, c\right )} + 1\right ) - 4368 i \, a^{8} e^{\left (22 i \, d x + 8 i \, c\right )} \log \left (e^{\left (2 i \, d x + 2 i \, c\right )} + 1\right ) - 12012 i \, a^{8} e^{\left (20 i \, d x + 6 i \, c\right )} \log \left (e^{\left (2 i \, d x + 2 i \, c\right )} + 1\right ) - 24024 i \, a^{8} e^{\left (18 i \, d x + 4 i \, c\right )} \log \left (e^{\left (2 i \, d x + 2 i \, c\right )} + 1\right ) - 36036 i \, a^{8} e^{\left (16 i \, d x + 2 i \, c\right )} \log \left (e^{\left (2 i \, d x + 2 i \, c\right )} + 1\right ) - 36036 i \, a^{8} e^{\left (12 i \, d x - 2 i \, c\right )} \log \left (e^{\left (2 i \, d x + 2 i \, c\right )} + 1\right ) - 24024 i \, a^{8} e^{\left (10 i \, d x - 4 i \, c\right )} \log \left (e^{\left (2 i \, d x + 2 i \, c\right )} + 1\right ) - 12012 i \, a^{8} e^{\left (8 i \, d x - 6 i \, c\right )} \log \left (e^{\left (2 i \, d x + 2 i \, c\right )} + 1\right ) - 4368 i \, a^{8} e^{\left (6 i \, d x - 8 i \, c\right )} \log \left (e^{\left (2 i \, d x + 2 i \, c\right )} + 1\right ) - 1092 i \, a^{8} e^{\left (4 i \, d x - 10 i \, c\right )} \log \left (e^{\left (2 i \, d x + 2 i \, c\right )} + 1\right ) - 168 i \, a^{8} e^{\left (2 i \, d x - 12 i \, c\right )} \log \left (e^{\left (2 i \, d x + 2 i \, c\right )} + 1\right ) - 41184 i \, a^{8} e^{\left (14 i \, d x\right )} \log \left (e^{\left (2 i \, d x + 2 i \, c\right )} + 1\right ) - 12 i \, a^{8} e^{\left (-14 i \, c\right )} \log \left (e^{\left (2 i \, d x + 2 i \, c\right )} + 1\right ) + i \, a^{8} e^{\left (34 i \, d x + 20 i \, c\right )} + 11 i \, a^{8} e^{\left (32 i \, d x + 18 i \, c\right )} + 58 i \, a^{8} e^{\left (30 i \, d x + 16 i \, c\right )} + 217 i \, a^{8} e^{\left (28 i \, d x + 14 i \, c\right )} + 725 i \, a^{8} e^{\left (26 i \, d x + 12 i \, c\right )} + 2236 i \, a^{8} e^{\left (24 i \, d x + 10 i \, c\right )} + 5772 i \, a^{8} e^{\left (22 i \, d x + 8 i \, c\right )} + 11583 i \, a^{8} e^{\left (20 i \, d x + 6 i \, c\right )} + 17589 i \, a^{8} e^{\left (18 i \, d x + 4 i \, c\right )} + 20020 i \, a^{8} e^{\left (16 i \, d x + 2 i \, c\right )} + 10231 i \, a^{8} e^{\left (12 i \, d x - 2 i \, c\right )} + 4147 i \, a^{8} e^{\left (10 i \, d x - 4 i \, c\right )} + 872 i \, a^{8} e^{\left (8 i \, d x - 6 i \, c\right )} - 80 i \, a^{8} e^{\left (6 i \, d x - 8 i \, c\right )} - 111 i \, a^{8} e^{\left (4 i \, d x - 10 i \, c\right )} - 30 i \, a^{8} e^{\left (2 i \, d x - 12 i \, c\right )} + 16874 i \, a^{8} e^{\left (14 i \, d x\right )} - 3 i \, a^{8} e^{\left (-14 i \, c\right )}\right )}}{3 \, {\left (d e^{\left (28 i \, d x + 14 i \, c\right )} + 14 \, d e^{\left (26 i \, d x + 12 i \, c\right )} + 91 \, d e^{\left (24 i \, d x + 10 i \, c\right )} + 364 \, d e^{\left (22 i \, d x + 8 i \, c\right )} + 1001 \, d e^{\left (20 i \, d x + 6 i \, c\right )} + 2002 \, d e^{\left (18 i \, d x + 4 i \, c\right )} + 3003 \, d e^{\left (16 i \, d x + 2 i \, c\right )} + 3003 \, d e^{\left (12 i \, d x - 2 i \, c\right )} + 2002 \, d e^{\left (10 i \, d x - 4 i \, c\right )} + 1001 \, d e^{\left (8 i \, d x - 6 i \, c\right )} + 364 \, d e^{\left (6 i \, d x - 8 i \, c\right )} + 91 \, d e^{\left (4 i \, d x - 10 i \, c\right )} + 14 \, d e^{\left (2 i \, d x - 12 i \, c\right )} + 3432 \, d e^{\left (14 i \, d x\right )} + d e^{\left (-14 i \, c\right )}\right )}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 3.41, size = 103, normalized size = 0.90 \begin {gather*} \frac {a^8\,\mathrm {tan}\left (c+d\,x\right )}{d}-\frac {24\,a^8\,{\mathrm {tan}\left (c+d\,x\right )}^2+a^8\,\mathrm {tan}\left (c+d\,x\right )\,32{}\mathrm {i}-\frac {40\,a^8}{3}}{d\,\left (-{\mathrm {tan}\left (c+d\,x\right )}^3-{\mathrm {tan}\left (c+d\,x\right )}^2\,3{}\mathrm {i}+3\,\mathrm {tan}\left (c+d\,x\right )+1{}\mathrm {i}\right )}-\frac {a^8\,\ln \left (\mathrm {tan}\left (c+d\,x\right )+1{}\mathrm {i}\right )\,8{}\mathrm {i}}{d} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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