Integrand size = 26, antiderivative size = 59 \[ \int \sec ^4(c+d x) \sqrt {a+i a \tan (c+d x)} \, dx=-\frac {4 i (a+i a \tan (c+d x))^{5/2}}{5 a^2 d}+\frac {2 i (a+i a \tan (c+d x))^{7/2}}{7 a^3 d} \]
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Time = 0.08 (sec) , antiderivative size = 59, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.077, Rules used = {3568, 45} \[ \int \sec ^4(c+d x) \sqrt {a+i a \tan (c+d x)} \, dx=\frac {2 i (a+i a \tan (c+d x))^{7/2}}{7 a^3 d}-\frac {4 i (a+i a \tan (c+d x))^{5/2}}{5 a^2 d} \]
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Rule 45
Rule 3568
Rubi steps \begin{align*} \text {integral}& = -\frac {i \text {Subst}\left (\int (a-x) (a+x)^{3/2} \, dx,x,i a \tan (c+d x)\right )}{a^3 d} \\ & = -\frac {i \text {Subst}\left (\int \left (2 a (a+x)^{3/2}-(a+x)^{5/2}\right ) \, dx,x,i a \tan (c+d x)\right )}{a^3 d} \\ & = -\frac {4 i (a+i a \tan (c+d x))^{5/2}}{5 a^2 d}+\frac {2 i (a+i a \tan (c+d x))^{7/2}}{7 a^3 d} \\ \end{align*}
Time = 0.14 (sec) , antiderivative size = 48, normalized size of antiderivative = 0.81 \[ \int \sec ^4(c+d x) \sqrt {a+i a \tan (c+d x)} \, dx=\frac {2 (-i+\tan (c+d x))^2 (9 i+5 \tan (c+d x)) \sqrt {a+i a \tan (c+d x)}}{35 d} \]
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Time = 1.04 (sec) , antiderivative size = 44, normalized size of antiderivative = 0.75
method | result | size |
derivativedivides | \(\frac {2 i \left (\frac {\left (a +i a \tan \left (d x +c \right )\right )^{\frac {7}{2}}}{7}-\frac {2 a \left (a +i a \tan \left (d x +c \right )\right )^{\frac {5}{2}}}{5}\right )}{d \,a^{3}}\) | \(44\) |
default | \(\frac {2 i \left (\frac {\left (a +i a \tan \left (d x +c \right )\right )^{\frac {7}{2}}}{7}-\frac {2 a \left (a +i a \tan \left (d x +c \right )\right )^{\frac {5}{2}}}{5}\right )}{d \,a^{3}}\) | \(44\) |
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Time = 0.25 (sec) , antiderivative size = 84, normalized size of antiderivative = 1.42 \[ \int \sec ^4(c+d x) \sqrt {a+i a \tan (c+d x)} \, dx=-\frac {16 \, \sqrt {2} \sqrt {\frac {a}{e^{\left (2 i \, d x + 2 i \, c\right )} + 1}} {\left (2 i \, e^{\left (7 i \, d x + 7 i \, c\right )} + 7 i \, e^{\left (5 i \, d x + 5 i \, c\right )}\right )}}{35 \, {\left (d e^{\left (6 i \, d x + 6 i \, c\right )} + 3 \, d e^{\left (4 i \, d x + 4 i \, c\right )} + 3 \, d e^{\left (2 i \, d x + 2 i \, c\right )} + d\right )}} \]
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\[ \int \sec ^4(c+d x) \sqrt {a+i a \tan (c+d x)} \, dx=\int \sqrt {i a \left (\tan {\left (c + d x \right )} - i\right )} \sec ^{4}{\left (c + d x \right )}\, dx \]
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Time = 0.27 (sec) , antiderivative size = 40, normalized size of antiderivative = 0.68 \[ \int \sec ^4(c+d x) \sqrt {a+i a \tan (c+d x)} \, dx=\frac {2 i \, {\left (5 \, {\left (i \, a \tan \left (d x + c\right ) + a\right )}^{\frac {7}{2}} - 14 \, {\left (i \, a \tan \left (d x + c\right ) + a\right )}^{\frac {5}{2}} a\right )}}{35 \, a^{3} d} \]
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\[ \int \sec ^4(c+d x) \sqrt {a+i a \tan (c+d x)} \, dx=\int { \sqrt {i \, a \tan \left (d x + c\right ) + a} \sec \left (d x + c\right )^{4} \,d x } \]
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Time = 7.37 (sec) , antiderivative size = 230, normalized size of antiderivative = 3.90 \[ \int \sec ^4(c+d x) \sqrt {a+i a \tan (c+d x)} \, dx=-\frac {\sqrt {a-\frac {a\,\left ({\mathrm {e}}^{c\,2{}\mathrm {i}+d\,x\,2{}\mathrm {i}}\,1{}\mathrm {i}-\mathrm {i}\right )\,1{}\mathrm {i}}{{\mathrm {e}}^{c\,2{}\mathrm {i}+d\,x\,2{}\mathrm {i}}+1}}\,32{}\mathrm {i}}{35\,d}-\frac {\sqrt {a-\frac {a\,\left ({\mathrm {e}}^{c\,2{}\mathrm {i}+d\,x\,2{}\mathrm {i}}\,1{}\mathrm {i}-\mathrm {i}\right )\,1{}\mathrm {i}}{{\mathrm {e}}^{c\,2{}\mathrm {i}+d\,x\,2{}\mathrm {i}}+1}}\,16{}\mathrm {i}}{35\,d\,\left ({\mathrm {e}}^{c\,2{}\mathrm {i}+d\,x\,2{}\mathrm {i}}+1\right )}+\frac {\sqrt {a-\frac {a\,\left ({\mathrm {e}}^{c\,2{}\mathrm {i}+d\,x\,2{}\mathrm {i}}\,1{}\mathrm {i}-\mathrm {i}\right )\,1{}\mathrm {i}}{{\mathrm {e}}^{c\,2{}\mathrm {i}+d\,x\,2{}\mathrm {i}}+1}}\,128{}\mathrm {i}}{35\,d\,{\left ({\mathrm {e}}^{c\,2{}\mathrm {i}+d\,x\,2{}\mathrm {i}}+1\right )}^2}-\frac {\sqrt {a-\frac {a\,\left ({\mathrm {e}}^{c\,2{}\mathrm {i}+d\,x\,2{}\mathrm {i}}\,1{}\mathrm {i}-\mathrm {i}\right )\,1{}\mathrm {i}}{{\mathrm {e}}^{c\,2{}\mathrm {i}+d\,x\,2{}\mathrm {i}}+1}}\,16{}\mathrm {i}}{7\,d\,{\left ({\mathrm {e}}^{c\,2{}\mathrm {i}+d\,x\,2{}\mathrm {i}}+1\right )}^3} \]
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