Optimal. Leaf size=169 \[ -\frac {e^3 (e \tan (c+d x))^{-3+m}}{a^2 d (3-m)}-\frac {e^3 \, _2F_1\left (1,\frac {1}{2} (-3+m);\frac {1}{2} (-1+m);-\tan ^2(c+d x)\right ) (e \tan (c+d x))^{-3+m}}{a^2 d (3-m)}+\frac {2 e^3 \cos ^2(c+d x)^{\frac {1}{2} (-2+m)} \, _2F_1\left (\frac {1}{2} (-3+m),\frac {1}{2} (-2+m);\frac {1}{2} (-1+m);\sin ^2(c+d x)\right ) \sec (c+d x) (e \tan (c+d x))^{-3+m}}{a^2 d (3-m)} \]
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Rubi [A]
time = 0.20, antiderivative size = 169, normalized size of antiderivative = 1.00, number of steps
used = 8, number of rules used = 7, integrand size = 23, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.304, Rules used = {3973, 3971,
3557, 371, 2697, 2687, 32} \begin {gather*} -\frac {e^3 (e \tan (c+d x))^{m-3} \, _2F_1\left (1,\frac {m-3}{2};\frac {m-1}{2};-\tan ^2(c+d x)\right )}{a^2 d (3-m)}+\frac {2 e^3 \sec (c+d x) \cos ^2(c+d x)^{\frac {m-2}{2}} (e \tan (c+d x))^{m-3} \, _2F_1\left (\frac {m-3}{2},\frac {m-2}{2};\frac {m-1}{2};\sin ^2(c+d x)\right )}{a^2 d (3-m)}-\frac {e^3 (e \tan (c+d x))^{m-3}}{a^2 d (3-m)} \end {gather*}
Antiderivative was successfully verified.
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Rule 32
Rule 371
Rule 2687
Rule 2697
Rule 3557
Rule 3971
Rule 3973
Rubi steps
\begin {align*} \int \frac {(e \tan (c+d x))^m}{(a+a \sec (c+d x))^2} \, dx &=\frac {e^4 \int (-a+a \sec (c+d x))^2 (e \tan (c+d x))^{-4+m} \, dx}{a^4}\\ &=\frac {e^4 \int \left (a^2 (e \tan (c+d x))^{-4+m}-2 a^2 \sec (c+d x) (e \tan (c+d x))^{-4+m}+a^2 \sec ^2(c+d x) (e \tan (c+d x))^{-4+m}\right ) \, dx}{a^4}\\ &=\frac {e^4 \int (e \tan (c+d x))^{-4+m} \, dx}{a^2}+\frac {e^4 \int \sec ^2(c+d x) (e \tan (c+d x))^{-4+m} \, dx}{a^2}-\frac {\left (2 e^4\right ) \int \sec (c+d x) (e \tan (c+d x))^{-4+m} \, dx}{a^2}\\ &=\frac {2 e^3 \cos ^2(c+d x)^{\frac {1}{2} (-2+m)} \, _2F_1\left (\frac {1}{2} (-3+m),\frac {1}{2} (-2+m);\frac {1}{2} (-1+m);\sin ^2(c+d x)\right ) \sec (c+d x) (e \tan (c+d x))^{-3+m}}{a^2 d (3-m)}+\frac {e^4 \text {Subst}\left (\int (e x)^{-4+m} \, dx,x,\tan (c+d x)\right )}{a^2 d}+\frac {e^5 \text {Subst}\left (\int \frac {x^{-4+m}}{e^2+x^2} \, dx,x,e \tan (c+d x)\right )}{a^2 d}\\ &=-\frac {e^3 (e \tan (c+d x))^{-3+m}}{a^2 d (3-m)}-\frac {e^3 \, _2F_1\left (1,\frac {1}{2} (-3+m);\frac {1}{2} (-1+m);-\tan ^2(c+d x)\right ) (e \tan (c+d x))^{-3+m}}{a^2 d (3-m)}+\frac {2 e^3 \cos ^2(c+d x)^{\frac {1}{2} (-2+m)} \, _2F_1\left (\frac {1}{2} (-3+m),\frac {1}{2} (-2+m);\frac {1}{2} (-1+m);\sin ^2(c+d x)\right ) \sec (c+d x) (e \tan (c+d x))^{-3+m}}{a^2 d (3-m)}\\ \end {align*}
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Mathematica [C] Result contains complex when optimal does not.
time = 6.25, size = 329, normalized size = 1.95 \begin {gather*} \frac {\left (\cos (c+d x) \sec ^2\left (\frac {1}{2} (c+d x)\right )\right )^m \tan \left (\frac {1}{2} (c+d x)\right ) \left (-3 (3+m) \, _2F_1\left (m,\frac {1+m}{2};\frac {3+m}{2};\tan ^2\left (\frac {1}{2} (c+d x)\right )\right )+(1+m) \, _2F_1\left (m,\frac {3+m}{2};\frac {5+m}{2};\tan ^2\left (\frac {1}{2} (c+d x)\right )\right ) \tan ^2\left (\frac {1}{2} (c+d x)\right )\right ) (e \tan (c+d x))^m}{2 a^2 d (1+m) (3+m)}+\frac {i 2^{1-m} \left (-\frac {i \left (-1+e^{2 i (c+d x)}\right )}{1+e^{2 i (c+d x)}}\right )^m \cos ^4\left (\frac {c}{2}+\frac {d x}{2}\right ) \left (2^m \, _2F_1\left (1,m;1+m;-\frac {-1+e^{2 i (c+d x)}}{1+e^{2 i (c+d x)}}\right )-\left (1+e^{2 i (c+d x)}\right )^m \, _2F_1\left (m,m;1+m;\frac {1}{2} \left (1-e^{2 i (c+d x)}\right )\right )\right ) \sec ^2(c+d x) \tan ^{-m}(c+d x) (e \tan (c+d x))^m}{d m (a+a \sec (c+d x))^2} \end {gather*}
Warning: Unable to verify antiderivative.
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Maple [F]
time = 0.14, size = 0, normalized size = 0.00 \[\int \frac {\left (e \tan \left (d x +c \right )\right )^{m}}{\left (a +a \sec \left (d x +c \right )\right )^{2}}\, dx\]
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [F]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {Failed to integrate} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [F]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {could not integrate} \end {gather*}
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 \begin {gather*} \frac {\int \frac {\left (e \tan {\left (c + d x \right )}\right )^{m}}{\sec ^{2}{\left (c + d x \right )} + 2 \sec {\left (c + d x \right )} + 1}\, dx}{a^{2}} \end {gather*}
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 \begin {gather*} \text {could not integrate} \end {gather*}
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 \begin {gather*} \int \frac {{\cos \left (c+d\,x\right )}^2\,{\left (e\,\mathrm {tan}\left (c+d\,x\right )\right )}^m}{a^2\,{\left (\cos \left (c+d\,x\right )+1\right )}^2} \,d x \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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