Integrand size = 24, antiderivative size = 27 \[ \int \sec ^2(c+d x) (a+i a \tan (c+d x))^5 \, dx=-\frac {i (a+i a \tan (c+d x))^6}{6 a d} \]
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Time = 0.05 (sec) , antiderivative size = 27, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.083, Rules used = {3568, 32} \[ \int \sec ^2(c+d x) (a+i a \tan (c+d x))^5 \, dx=-\frac {i (a+i a \tan (c+d x))^6}{6 a d} \]
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Rule 32
Rule 3568
Rubi steps \begin{align*} \text {integral}& = -\frac {i \text {Subst}\left (\int (a+x)^5 \, dx,x,i a \tan (c+d x)\right )}{a d} \\ & = -\frac {i (a+i a \tan (c+d x))^6}{6 a d} \\ \end{align*}
Both result and optimal contain complex but leaf count is larger than twice the leaf count of optimal. \(72\) vs. \(2(27)=54\).
Time = 0.34 (sec) , antiderivative size = 72, normalized size of antiderivative = 2.67 \[ \int \sec ^2(c+d x) (a+i a \tan (c+d x))^5 \, dx=\frac {a^5 \tan (c+d x) \left (6+15 i \tan (c+d x)-20 \tan ^2(c+d x)-15 i \tan ^3(c+d x)+6 \tan ^4(c+d x)+i \tan ^5(c+d x)\right )}{6 d} \]
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Both result and optimal contain complex but leaf count of result is larger than twice the leaf count of optimal. 79 vs. \(2 (23 ) = 46\).
Time = 20.70 (sec) , antiderivative size = 80, normalized size of antiderivative = 2.96
method | result | size |
risch | \(\frac {32 i a^{5} \left (6 \,{\mathrm e}^{10 i \left (d x +c \right )}+15 \,{\mathrm e}^{8 i \left (d x +c \right )}+20 \,{\mathrm e}^{6 i \left (d x +c \right )}+15 \,{\mathrm e}^{4 i \left (d x +c \right )}+6 \,{\mathrm e}^{2 i \left (d x +c \right )}+1\right )}{3 d \left ({\mathrm e}^{2 i \left (d x +c \right )}+1\right )^{6}}\) | \(80\) |
derivativedivides | \(\frac {\frac {i a^{5} \left (\sin ^{6}\left (d x +c \right )\right )}{6 \cos \left (d x +c \right )^{6}}+\frac {a^{5} \left (\sin ^{5}\left (d x +c \right )\right )}{\cos \left (d x +c \right )^{5}}-\frac {5 i a^{5} \left (\sin ^{4}\left (d x +c \right )\right )}{2 \cos \left (d x +c \right )^{4}}-\frac {10 a^{5} \left (\sin ^{3}\left (d x +c \right )\right )}{3 \cos \left (d x +c \right )^{3}}+\frac {5 i a^{5}}{2 \cos \left (d x +c \right )^{2}}+a^{5} \tan \left (d x +c \right )}{d}\) | \(115\) |
default | \(\frac {\frac {i a^{5} \left (\sin ^{6}\left (d x +c \right )\right )}{6 \cos \left (d x +c \right )^{6}}+\frac {a^{5} \left (\sin ^{5}\left (d x +c \right )\right )}{\cos \left (d x +c \right )^{5}}-\frac {5 i a^{5} \left (\sin ^{4}\left (d x +c \right )\right )}{2 \cos \left (d x +c \right )^{4}}-\frac {10 a^{5} \left (\sin ^{3}\left (d x +c \right )\right )}{3 \cos \left (d x +c \right )^{3}}+\frac {5 i a^{5}}{2 \cos \left (d x +c \right )^{2}}+a^{5} \tan \left (d x +c \right )}{d}\) | \(115\) |
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Both result and optimal contain complex but leaf count of result is larger than twice the leaf count of optimal. 153 vs. \(2 (21) = 42\).
Time = 0.23 (sec) , antiderivative size = 153, normalized size of antiderivative = 5.67 \[ \int \sec ^2(c+d x) (a+i a \tan (c+d x))^5 \, dx=-\frac {32 \, {\left (-6 i \, a^{5} e^{\left (10 i \, d x + 10 i \, c\right )} - 15 i \, a^{5} e^{\left (8 i \, d x + 8 i \, c\right )} - 20 i \, a^{5} e^{\left (6 i \, d x + 6 i \, c\right )} - 15 i \, a^{5} e^{\left (4 i \, d x + 4 i \, c\right )} - 6 i \, a^{5} e^{\left (2 i \, d x + 2 i \, c\right )} - i \, a^{5}\right )}}{3 \, {\left (d e^{\left (12 i \, d x + 12 i \, c\right )} + 6 \, d e^{\left (10 i \, d x + 10 i \, c\right )} + 15 \, d e^{\left (8 i \, d x + 8 i \, c\right )} + 20 \, d e^{\left (6 i \, d x + 6 i \, c\right )} + 15 \, d e^{\left (4 i \, d x + 4 i \, c\right )} + 6 \, d e^{\left (2 i \, d x + 2 i \, c\right )} + d\right )}} \]
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\[ \int \sec ^2(c+d x) (a+i a \tan (c+d x))^5 \, dx=i a^{5} \left (\int \left (- i \sec ^{2}{\left (c + d x \right )}\right )\, dx + \int 5 \tan {\left (c + d x \right )} \sec ^{2}{\left (c + d x \right )}\, dx + \int \left (- 10 \tan ^{3}{\left (c + d x \right )} \sec ^{2}{\left (c + d x \right )}\right )\, dx + \int \tan ^{5}{\left (c + d x \right )} \sec ^{2}{\left (c + d x \right )}\, dx + \int 10 i \tan ^{2}{\left (c + d x \right )} \sec ^{2}{\left (c + d x \right )}\, dx + \int \left (- 5 i \tan ^{4}{\left (c + d x \right )} \sec ^{2}{\left (c + d x \right )}\right )\, dx\right ) \]
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Time = 0.36 (sec) , antiderivative size = 21, normalized size of antiderivative = 0.78 \[ \int \sec ^2(c+d x) (a+i a \tan (c+d x))^5 \, dx=-\frac {i \, {\left (i \, a \tan \left (d x + c\right ) + a\right )}^{6}}{6 \, a d} \]
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Both result and optimal contain complex but leaf count of result is larger than twice the leaf count of optimal. 82 vs. \(2 (21) = 42\).
Time = 0.75 (sec) , antiderivative size = 82, normalized size of antiderivative = 3.04 \[ \int \sec ^2(c+d x) (a+i a \tan (c+d x))^5 \, dx=-\frac {-i \, a^{5} \tan \left (d x + c\right )^{6} - 6 \, a^{5} \tan \left (d x + c\right )^{5} + 15 i \, a^{5} \tan \left (d x + c\right )^{4} + 20 \, a^{5} \tan \left (d x + c\right )^{3} - 15 i \, a^{5} \tan \left (d x + c\right )^{2} - 6 \, a^{5} \tan \left (d x + c\right )}{6 \, d} \]
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Time = 3.75 (sec) , antiderivative size = 114, normalized size of antiderivative = 4.22 \[ \int \sec ^2(c+d x) (a+i a \tan (c+d x))^5 \, dx=\frac {a^5\,\sin \left (c+d\,x\right )\,\left (6\,{\cos \left (c+d\,x\right )}^5+{\cos \left (c+d\,x\right )}^4\,\sin \left (c+d\,x\right )\,15{}\mathrm {i}-20\,{\cos \left (c+d\,x\right )}^3\,{\sin \left (c+d\,x\right )}^2-{\cos \left (c+d\,x\right )}^2\,{\sin \left (c+d\,x\right )}^3\,15{}\mathrm {i}+6\,\cos \left (c+d\,x\right )\,{\sin \left (c+d\,x\right )}^4+{\sin \left (c+d\,x\right )}^5\,1{}\mathrm {i}\right )}{6\,d\,{\cos \left (c+d\,x\right )}^6} \]
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