Optimal. Leaf size=118 \[ \frac {i 2^{\frac {n+1}{2}} (1+i \tan (c+d x))^{\frac {1}{2} (-n-1)} (a+i a \tan (c+d x))^n (e \sec (c+d x))^{1-n} \, _2F_1\left (\frac {1-n}{2},\frac {1-n}{2};\frac {3-n}{2};\frac {1}{2} (1-i \tan (c+d x))\right )}{d (1-n)} \]
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Rubi [A] time = 0.22, antiderivative size = 118, normalized size of antiderivative = 1.00, number of steps used = 4, number of rules used = 4, integrand size = 30, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.133, Rules used = {3505, 3523, 70, 69} \[ \frac {i 2^{\frac {n+1}{2}} (1+i \tan (c+d x))^{\frac {1}{2} (-n-1)} (a+i a \tan (c+d x))^n (e \sec (c+d x))^{1-n} \text {Hypergeometric2F1}\left (\frac {1-n}{2},\frac {1-n}{2},\frac {3-n}{2},\frac {1}{2} (1-i \tan (c+d x))\right )}{d (1-n)} \]
Antiderivative was successfully verified.
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Rule 69
Rule 70
Rule 3505
Rule 3523
Rubi steps
\begin {align*} \int (e \sec (c+d x))^{1-n} (a+i a \tan (c+d x))^n \, dx &=\left ((e \sec (c+d x))^{1-n} (a-i a \tan (c+d x))^{\frac {1}{2} (-1+n)} (a+i a \tan (c+d x))^{\frac {1}{2} (-1+n)}\right ) \int (a-i a \tan (c+d x))^{\frac {1-n}{2}} (a+i a \tan (c+d x))^{\frac {1-n}{2}+n} \, dx\\ &=\frac {\left (a^2 (e \sec (c+d x))^{1-n} (a-i a \tan (c+d x))^{\frac {1}{2} (-1+n)} (a+i a \tan (c+d x))^{\frac {1}{2} (-1+n)}\right ) \operatorname {Subst}\left (\int (a-i a x)^{-1+\frac {1-n}{2}} (a+i a x)^{-1+\frac {1-n}{2}+n} \, dx,x,\tan (c+d x)\right )}{d}\\ &=\frac {\left (2^{-\frac {1}{2}+\frac {n}{2}} a (e \sec (c+d x))^{1-n} (a-i a \tan (c+d x))^{\frac {1}{2} (-1+n)} (a+i a \tan (c+d x))^{\frac {1}{2}+\frac {1}{2} (-1+n)+\frac {n}{2}} \left (\frac {a+i a \tan (c+d x)}{a}\right )^{-\frac {1}{2}-\frac {n}{2}}\right ) \operatorname {Subst}\left (\int \left (\frac {1}{2}+\frac {i x}{2}\right )^{-1+\frac {1-n}{2}+n} (a-i a x)^{-1+\frac {1-n}{2}} \, dx,x,\tan (c+d x)\right )}{d}\\ &=\frac {i 2^{\frac {1+n}{2}} \, _2F_1\left (\frac {1-n}{2},\frac {1-n}{2};\frac {3-n}{2};\frac {1}{2} (1-i \tan (c+d x))\right ) (e \sec (c+d x))^{1-n} (1+i \tan (c+d x))^{\frac {1}{2} (-1-n)} (a+i a \tan (c+d x))^n}{d (1-n)}\\ \end {align*}
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Mathematica [A] time = 4.60, size = 87, normalized size = 0.74 \[ -\frac {e (a+i a \tan (c+d x))^n (e \sec (c+d x))^{-n} (\, _2F_1(1,n;n+1;i \cos (c+d x)-\sin (c+d x))-\, _2F_1(1,n;n+1;\sin (c+d x)-i \cos (c+d x)))}{d n} \]
Antiderivative was successfully verified.
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fricas [F] time = 0.61, size = 0, normalized size = 0.00 \[ {\rm integral}\left (\left (\frac {2 \, e e^{\left (i \, d x + i \, c\right )}}{e^{\left (2 i \, d x + 2 i \, c\right )} + 1}\right )^{-n + 1} e^{\left (i \, d n x + i \, c n + n \log \left (\frac {2 \, e e^{\left (i \, d x + i \, c\right )}}{e^{\left (2 i \, d x + 2 i \, c\right )} + 1}\right ) + n \log \left (\frac {a}{e}\right )\right )}, x\right ) \]
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 \[ \int \left (e \sec \left (d x + c\right )\right )^{-n + 1} {\left (i \, a \tan \left (d x + c\right ) + a\right )}^{n}\,{d x} \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [F] time = 2.08, size = 0, normalized size = 0.00 \[ \int \left (e \sec \left (d x +c \right )\right )^{-n +1} \left (a +i a \tan \left (d x +c \right )\right )^{n}\, dx \]
Verification of antiderivative is not currently implemented for this CAS.
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maxima [F(-1)] time = 0.00, size = 0, normalized size = 0.00 \[ \text {Timed out} \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [F] time = 0.00, size = -1, normalized size = -0.01 \[ \int {\left (\frac {e}{\cos \left (c+d\,x\right )}\right )}^{1-n}\,{\left (a+a\,\mathrm {tan}\left (c+d\,x\right )\,1{}\mathrm {i}\right )}^n \,d x \]
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 \[ \int \left (e \sec {\left (c + d x \right )}\right )^{1 - n} \left (i a \left (\tan {\left (c + d x \right )} - i\right )\right )^{n}\, dx \]
Verification of antiderivative is not currently implemented for this CAS.
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