Optimal. Leaf size=75 \[ \frac{2 \cos (e+f x) (d \tan (e+f x))^{3/2}}{d f}-\frac{2 \cos (e+f x) E\left (\left .e+f x-\frac{\pi }{4}\right |2\right ) \sqrt{d \tan (e+f x)}}{f \sqrt{\sin (2 e+2 f x)}} \]
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Rubi [A] time = 0.0899136, antiderivative size = 75, normalized size of antiderivative = 1., number of steps used = 4, number of rules used = 4, integrand size = 19, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.21, Rules used = {2613, 2615, 2572, 2639} \[ \frac{2 \cos (e+f x) (d \tan (e+f x))^{3/2}}{d f}-\frac{2 \cos (e+f x) E\left (\left .e+f x-\frac{\pi }{4}\right |2\right ) \sqrt{d \tan (e+f x)}}{f \sqrt{\sin (2 e+2 f x)}} \]
Antiderivative was successfully verified.
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Rule 2613
Rule 2615
Rule 2572
Rule 2639
Rubi steps
\begin{align*} \int \sec (e+f x) \sqrt{d \tan (e+f x)} \, dx &=\frac{2 \cos (e+f x) (d \tan (e+f x))^{3/2}}{d f}-2 \int \cos (e+f x) \sqrt{d \tan (e+f x)} \, dx\\ &=\frac{2 \cos (e+f x) (d \tan (e+f x))^{3/2}}{d f}-\frac{\left (2 \sqrt{\cos (e+f x)} \sqrt{d \tan (e+f x)}\right ) \int \sqrt{\cos (e+f x)} \sqrt{\sin (e+f x)} \, dx}{\sqrt{\sin (e+f x)}}\\ &=\frac{2 \cos (e+f x) (d \tan (e+f x))^{3/2}}{d f}-\frac{\left (2 \cos (e+f x) \sqrt{d \tan (e+f x)}\right ) \int \sqrt{\sin (2 e+2 f x)} \, dx}{\sqrt{\sin (2 e+2 f x)}}\\ &=-\frac{2 \cos (e+f x) E\left (\left .e-\frac{\pi }{4}+f x\right |2\right ) \sqrt{d \tan (e+f x)}}{f \sqrt{\sin (2 e+2 f x)}}+\frac{2 \cos (e+f x) (d \tan (e+f x))^{3/2}}{d f}\\ \end{align*}
Mathematica [C] time = 0.266433, size = 61, normalized size = 0.81 \[ -\frac{2 \sin (e+f x) \sqrt{d \tan (e+f x)} \left (2 \sqrt{\sec ^2(e+f x)} \, _2F_1\left (\frac{3}{4},\frac{3}{2};\frac{7}{4};-\tan ^2(e+f x)\right )-3\right )}{3 f} \]
Antiderivative was successfully verified.
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Maple [B] time = 0.15, size = 505, normalized size = 6.7 \begin{align*} \text{result too large to display} \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 \sqrt{d \tan \left (f x + e\right )} \sec \left (f x + e\right )\,{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 (\sqrt{d \tan \left (f x + e\right )} \sec \left (f x + e\right ), 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 \sqrt{d \tan{\left (e + f x \right )}} \sec{\left (e + f x \right )}\, 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 \sqrt{d \tan \left (f x + e\right )} \sec \left (f x + e\right )\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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