Optimal. Leaf size=63 \[ \frac{(a \tan (e+f x))^{m+1} (b \tan (e+f x))^n \, _2F_1\left (1,\frac{1}{2} (m+n+1);\frac{1}{2} (m+n+3);-\tan ^2(e+f x)\right )}{a f (m+n+1)} \]
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Rubi [A] time = 0.0362079, antiderivative size = 63, normalized size of antiderivative = 1., number of steps used = 3, number of rules used = 3, integrand size = 21, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.143, Rules used = {20, 3476, 364} \[ \frac{(a \tan (e+f x))^{m+1} (b \tan (e+f x))^n \, _2F_1\left (1,\frac{1}{2} (m+n+1);\frac{1}{2} (m+n+3);-\tan ^2(e+f x)\right )}{a f (m+n+1)} \]
Antiderivative was successfully verified.
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Rule 20
Rule 3476
Rule 364
Rubi steps
\begin{align*} \int (a \tan (e+f x))^m (b \tan (e+f x))^n \, dx &=\left ((a \tan (e+f x))^{-n} (b \tan (e+f x))^n\right ) \int (a \tan (e+f x))^{m+n} \, dx\\ &=\frac{\left (a (a \tan (e+f x))^{-n} (b \tan (e+f x))^n\right ) \operatorname{Subst}\left (\int \frac{x^{m+n}}{a^2+x^2} \, dx,x,a \tan (e+f x)\right )}{f}\\ &=\frac{\, _2F_1\left (1,\frac{1}{2} (1+m+n);\frac{1}{2} (3+m+n);-\tan ^2(e+f x)\right ) (a \tan (e+f x))^{1+m} (b \tan (e+f x))^n}{a f (1+m+n)}\\ \end{align*}
Mathematica [A] time = 0.0715552, size = 66, normalized size = 1.05 \[ \frac{\tan (e+f x) (a \tan (e+f x))^m (b \tan (e+f x))^n \, _2F_1\left (1,\frac{1}{2} (m+n+1);\frac{1}{2} (m+n+1)+1;-\tan ^2(e+f x)\right )}{f (m+n+1)} \]
Antiderivative was successfully verified.
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Maple [F] time = 0.393, size = 0, normalized size = 0. \begin{align*} \int \left ( a\tan \left ( fx+e \right ) \right ) ^{m} \left ( b\tan \left ( fx+e \right ) \right ) ^{n}\, dx \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int \left (a \tan \left (f x + e\right )\right )^{m} \left (b \tan \left (f x + e\right )\right )^{n}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [F] time = 0., size = 0, normalized size = 0. \begin{align*}{\rm integral}\left (\left (a \tan \left (f x + e\right )\right )^{m} \left (b \tan \left (f x + e\right )\right )^{n}, x\right ) \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int \left (a \tan{\left (e + f x \right )}\right )^{m} \left (b \tan{\left (e + f x \right )}\right )^{n}\, dx \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int \left (a \tan \left (f x + e\right )\right )^{m} \left (b \tan \left (f x + e\right )\right )^{n}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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