Optimal. Leaf size=84 \[ -\frac {2 i (a+i a \tan (c+d x))^{3/2}}{3 a^5 d}+\frac {8 i \sqrt {a+i a \tan (c+d x)}}{a^4 d}+\frac {8 i}{a^3 d \sqrt {a+i a \tan (c+d x)}} \]
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Rubi [A] time = 0.08, antiderivative size = 84, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 2, integrand size = 26, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.077, Rules used = {3487, 43} \[ -\frac {2 i (a+i a \tan (c+d x))^{3/2}}{3 a^5 d}+\frac {8 i \sqrt {a+i a \tan (c+d x)}}{a^4 d}+\frac {8 i}{a^3 d \sqrt {a+i a \tan (c+d x)}} \]
Antiderivative was successfully verified.
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Rule 43
Rule 3487
Rubi steps
\begin {align*} \int \frac {\sec ^6(c+d x)}{(a+i a \tan (c+d x))^{7/2}} \, dx &=-\frac {i \operatorname {Subst}\left (\int \frac {(a-x)^2}{(a+x)^{3/2}} \, dx,x,i a \tan (c+d x)\right )}{a^5 d}\\ &=-\frac {i \operatorname {Subst}\left (\int \left (\frac {4 a^2}{(a+x)^{3/2}}-\frac {4 a}{\sqrt {a+x}}+\sqrt {a+x}\right ) \, dx,x,i a \tan (c+d x)\right )}{a^5 d}\\ &=\frac {8 i}{a^3 d \sqrt {a+i a \tan (c+d x)}}+\frac {8 i \sqrt {a+i a \tan (c+d x)}}{a^4 d}-\frac {2 i (a+i a \tan (c+d x))^{3/2}}{3 a^5 d}\\ \end {align*}
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Mathematica [A] time = 0.49, size = 61, normalized size = 0.73 \[ \frac {2 i \sec ^2(c+d x) (5 i \sin (2 (c+d x))+11 \cos (2 (c+d x))+12)}{3 a^3 d \sqrt {a+i a \tan (c+d x)}} \]
Antiderivative was successfully verified.
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fricas [A] time = 0.59, size = 77, normalized size = 0.92 \[ \frac {\sqrt {2} \sqrt {\frac {a}{e^{\left (2 i \, d x + 2 i \, c\right )} + 1}} {\left (32 i \, e^{\left (4 i \, d x + 4 i \, c\right )} + 48 i \, e^{\left (2 i \, d x + 2 i \, c\right )} + 12 i\right )}}{3 \, {\left (a^{4} d e^{\left (3 i \, d x + 3 i \, c\right )} + a^{4} d e^{\left (i \, d x + i \, c\right )}\right )}} \]
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 \[ \int \frac {\sec \left (d x + c\right )^{6}}{{\left (i \, a \tan \left (d x + c\right ) + a\right )}^{\frac {7}{2}}}\,{d x} \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [A] time = 1.18, size = 88, normalized size = 1.05 \[ \frac {2 \sqrt {\frac {a \left (i \sin \left (d x +c \right )+\cos \left (d x +c \right )\right )}{\cos \left (d x +c \right )}}\, \left (12 i \left (\cos ^{3}\left (d x +c \right )\right )+12 \left (\cos ^{2}\left (d x +c \right )\right ) \sin \left (d x +c \right )+11 i \cos \left (d x +c \right )+\sin \left (d x +c \right )\right )}{3 d \cos \left (d x +c \right ) a^{4}} \]
Verification of antiderivative is not currently implemented for this CAS.
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maxima [A] time = 0.35, size = 62, normalized size = 0.74 \[ \frac {2 i \, {\left (\frac {12}{\sqrt {i \, a \tan \left (d x + c\right ) + a} a^{2}} - \frac {{\left (i \, a \tan \left (d x + c\right ) + a\right )}^{\frac {3}{2}} - 12 \, \sqrt {i \, a \tan \left (d x + c\right ) + a} a}{a^{4}}\right )}}{3 \, a d} \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 0.74, size = 110, normalized size = 1.31 \[ \frac {2\,\sqrt {\frac {a\,\left (\cos \left (2\,c+2\,d\,x\right )+1+\sin \left (2\,c+2\,d\,x\right )\,1{}\mathrm {i}\right )}{\cos \left (2\,c+2\,d\,x\right )+1}}\,\left (\cos \left (2\,c+2\,d\,x\right )\,23{}\mathrm {i}+\cos \left (4\,c+4\,d\,x\right )\,3{}\mathrm {i}+7\,\sin \left (2\,c+2\,d\,x\right )+3\,\sin \left (4\,c+4\,d\,x\right )+20{}\mathrm {i}\right )}{3\,a^4\,d\,\left (\cos \left (2\,c+2\,d\,x\right )+1\right )} \]
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 \[ \int \frac {\sec ^{6}{\left (c + d x \right )}}{\left (i a \left (\tan {\left (c + d x \right )} - i\right )\right )^{\frac {7}{2}}}\, dx \]
Verification of antiderivative is not currently implemented for this CAS.
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