Optimal. Leaf size=117 \[ \frac{3 a^2+b (5 a+2 b) \tan ^2(x)}{6 a^2 (a+b)^2 \sqrt{a+b \tan ^4(x)}}+\frac{a+b \tan ^2(x)}{6 a (a+b) \left (a+b \tan ^4(x)\right )^{3/2}}-\frac{\tanh ^{-1}\left (\frac{a-b \tan ^2(x)}{\sqrt{a+b} \sqrt{a+b \tan ^4(x)}}\right )}{2 (a+b)^{5/2}} \]
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Rubi [A] time = 0.18687, antiderivative size = 117, normalized size of antiderivative = 1., number of steps used = 7, number of rules used = 7, integrand size = 15, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.467, Rules used = {3670, 1248, 741, 823, 12, 725, 206} \[ \frac{3 a^2+b (5 a+2 b) \tan ^2(x)}{6 a^2 (a+b)^2 \sqrt{a+b \tan ^4(x)}}+\frac{a+b \tan ^2(x)}{6 a (a+b) \left (a+b \tan ^4(x)\right )^{3/2}}-\frac{\tanh ^{-1}\left (\frac{a-b \tan ^2(x)}{\sqrt{a+b} \sqrt{a+b \tan ^4(x)}}\right )}{2 (a+b)^{5/2}} \]
Antiderivative was successfully verified.
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Rule 3670
Rule 1248
Rule 741
Rule 823
Rule 12
Rule 725
Rule 206
Rubi steps
\begin{align*} \int \frac{\tan (x)}{\left (a+b \tan ^4(x)\right )^{5/2}} \, dx &=\operatorname{Subst}\left (\int \frac{x}{\left (1+x^2\right ) \left (a+b x^4\right )^{5/2}} \, dx,x,\tan (x)\right )\\ &=\frac{1}{2} \operatorname{Subst}\left (\int \frac{1}{(1+x) \left (a+b x^2\right )^{5/2}} \, dx,x,\tan ^2(x)\right )\\ &=\frac{a+b \tan ^2(x)}{6 a (a+b) \left (a+b \tan ^4(x)\right )^{3/2}}-\frac{\operatorname{Subst}\left (\int \frac{-3 a-2 b-2 b x}{(1+x) \left (a+b x^2\right )^{3/2}} \, dx,x,\tan ^2(x)\right )}{6 a (a+b)}\\ &=\frac{a+b \tan ^2(x)}{6 a (a+b) \left (a+b \tan ^4(x)\right )^{3/2}}+\frac{3 a^2+b (5 a+2 b) \tan ^2(x)}{6 a^2 (a+b)^2 \sqrt{a+b \tan ^4(x)}}+\frac{\operatorname{Subst}\left (\int \frac{3 a^2 b}{(1+x) \sqrt{a+b x^2}} \, dx,x,\tan ^2(x)\right )}{6 a^2 b (a+b)^2}\\ &=\frac{a+b \tan ^2(x)}{6 a (a+b) \left (a+b \tan ^4(x)\right )^{3/2}}+\frac{3 a^2+b (5 a+2 b) \tan ^2(x)}{6 a^2 (a+b)^2 \sqrt{a+b \tan ^4(x)}}+\frac{\operatorname{Subst}\left (\int \frac{1}{(1+x) \sqrt{a+b x^2}} \, dx,x,\tan ^2(x)\right )}{2 (a+b)^2}\\ &=\frac{a+b \tan ^2(x)}{6 a (a+b) \left (a+b \tan ^4(x)\right )^{3/2}}+\frac{3 a^2+b (5 a+2 b) \tan ^2(x)}{6 a^2 (a+b)^2 \sqrt{a+b \tan ^4(x)}}-\frac{\operatorname{Subst}\left (\int \frac{1}{a+b-x^2} \, dx,x,\frac{a-b \tan ^2(x)}{\sqrt{a+b \tan ^4(x)}}\right )}{2 (a+b)^2}\\ &=-\frac{\tanh ^{-1}\left (\frac{a-b \tan ^2(x)}{\sqrt{a+b} \sqrt{a+b \tan ^4(x)}}\right )}{2 (a+b)^{5/2}}+\frac{a+b \tan ^2(x)}{6 a (a+b) \left (a+b \tan ^4(x)\right )^{3/2}}+\frac{3 a^2+b (5 a+2 b) \tan ^2(x)}{6 a^2 (a+b)^2 \sqrt{a+b \tan ^4(x)}}\\ \end{align*}
Mathematica [A] time = 0.765351, size = 113, normalized size = 0.97 \[ \frac{1}{6} \left (\frac{3 a^2 b \tan ^4(x)+a^2 (4 a+b)+b^2 (5 a+2 b) \tan ^6(x)+3 a b (2 a+b) \tan ^2(x)}{a^2 (a+b)^2 \left (a+b \tan ^4(x)\right )^{3/2}}-\frac{3 \tanh ^{-1}\left (\frac{a-b \tan ^2(x)}{\sqrt{a+b} \sqrt{a+b \tan ^4(x)}}\right )}{(a+b)^{5/2}}\right ) \]
Antiderivative was successfully verified.
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Maple [B] time = 0.065, size = 602, normalized size = 5.2 \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 \frac{\tan \left (x\right )}{{\left (b \tan \left (x\right )^{4} + a\right )}^{\frac{5}{2}}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [B] time = 4.12989, size = 1355, normalized size = 11.58 \begin{align*} \left [\frac{3 \,{\left (a^{2} b^{2} \tan \left (x\right )^{8} + 2 \, a^{3} b \tan \left (x\right )^{4} + a^{4}\right )} \sqrt{a + b} \log \left (\frac{{\left (a b + 2 \, b^{2}\right )} \tan \left (x\right )^{4} - 2 \, a b \tan \left (x\right )^{2} + 2 \, \sqrt{b \tan \left (x\right )^{4} + a}{\left (b \tan \left (x\right )^{2} - a\right )} \sqrt{a + b} + 2 \, a^{2} + a b}{\tan \left (x\right )^{4} + 2 \, \tan \left (x\right )^{2} + 1}\right ) + 2 \,{\left ({\left (5 \, a^{2} b^{2} + 7 \, a b^{3} + 2 \, b^{4}\right )} \tan \left (x\right )^{6} + 3 \,{\left (a^{3} b + a^{2} b^{2}\right )} \tan \left (x\right )^{4} + 4 \, a^{4} + 5 \, a^{3} b + a^{2} b^{2} + 3 \,{\left (2 \, a^{3} b + 3 \, a^{2} b^{2} + a b^{3}\right )} \tan \left (x\right )^{2}\right )} \sqrt{b \tan \left (x\right )^{4} + a}}{12 \,{\left ({\left (a^{5} b^{2} + 3 \, a^{4} b^{3} + 3 \, a^{3} b^{4} + a^{2} b^{5}\right )} \tan \left (x\right )^{8} + a^{7} + 3 \, a^{6} b + 3 \, a^{5} b^{2} + a^{4} b^{3} + 2 \,{\left (a^{6} b + 3 \, a^{5} b^{2} + 3 \, a^{4} b^{3} + a^{3} b^{4}\right )} \tan \left (x\right )^{4}\right )}}, -\frac{3 \,{\left (a^{2} b^{2} \tan \left (x\right )^{8} + 2 \, a^{3} b \tan \left (x\right )^{4} + a^{4}\right )} \sqrt{-a - b} \arctan \left (\frac{\sqrt{b \tan \left (x\right )^{4} + a}{\left (b \tan \left (x\right )^{2} - a\right )} \sqrt{-a - b}}{{\left (a b + b^{2}\right )} \tan \left (x\right )^{4} + a^{2} + a b}\right ) -{\left ({\left (5 \, a^{2} b^{2} + 7 \, a b^{3} + 2 \, b^{4}\right )} \tan \left (x\right )^{6} + 3 \,{\left (a^{3} b + a^{2} b^{2}\right )} \tan \left (x\right )^{4} + 4 \, a^{4} + 5 \, a^{3} b + a^{2} b^{2} + 3 \,{\left (2 \, a^{3} b + 3 \, a^{2} b^{2} + a b^{3}\right )} \tan \left (x\right )^{2}\right )} \sqrt{b \tan \left (x\right )^{4} + a}}{6 \,{\left ({\left (a^{5} b^{2} + 3 \, a^{4} b^{3} + 3 \, a^{3} b^{4} + a^{2} b^{5}\right )} \tan \left (x\right )^{8} + a^{7} + 3 \, a^{6} b + 3 \, a^{5} b^{2} + a^{4} b^{3} + 2 \,{\left (a^{6} b + 3 \, a^{5} b^{2} + 3 \, a^{4} b^{3} + a^{3} b^{4}\right )} \tan \left (x\right )^{4}\right )}}\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 \frac{\tan{\left (x \right )}}{\left (a + b \tan ^{4}{\left (x \right )}\right )^{\frac{5}{2}}}\, dx \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [B] time = 1.37004, size = 834, normalized size = 7.13 \begin{align*} \frac{{\left ({\left (\frac{{\left (5 \, a^{7} b^{3} + 32 \, a^{6} b^{4} + 87 \, a^{5} b^{5} + 130 \, a^{4} b^{6} + 115 \, a^{3} b^{7} + 60 \, a^{2} b^{8} + 17 \, a b^{9} + 2 \, b^{10}\right )} \tan \left (x\right )^{2}}{a^{10} b + 8 \, a^{9} b^{2} + 28 \, a^{8} b^{3} + 56 \, a^{7} b^{4} + 70 \, a^{6} b^{5} + 56 \, a^{5} b^{6} + 28 \, a^{4} b^{7} + 8 \, a^{3} b^{8} + a^{2} b^{9}} + \frac{3 \,{\left (a^{8} b^{2} + 6 \, a^{7} b^{3} + 15 \, a^{6} b^{4} + 20 \, a^{5} b^{5} + 15 \, a^{4} b^{6} + 6 \, a^{3} b^{7} + a^{2} b^{8}\right )}}{a^{10} b + 8 \, a^{9} b^{2} + 28 \, a^{8} b^{3} + 56 \, a^{7} b^{4} + 70 \, a^{6} b^{5} + 56 \, a^{5} b^{6} + 28 \, a^{4} b^{7} + 8 \, a^{3} b^{8} + a^{2} b^{9}}\right )} \tan \left (x\right )^{2} + \frac{3 \,{\left (2 \, a^{8} b^{2} + 13 \, a^{7} b^{3} + 36 \, a^{6} b^{4} + 55 \, a^{5} b^{5} + 50 \, a^{4} b^{6} + 27 \, a^{3} b^{7} + 8 \, a^{2} b^{8} + a b^{9}\right )}}{a^{10} b + 8 \, a^{9} b^{2} + 28 \, a^{8} b^{3} + 56 \, a^{7} b^{4} + 70 \, a^{6} b^{5} + 56 \, a^{5} b^{6} + 28 \, a^{4} b^{7} + 8 \, a^{3} b^{8} + a^{2} b^{9}}\right )} \tan \left (x\right )^{2} + \frac{4 \, a^{9} b + 25 \, a^{8} b^{2} + 66 \, a^{7} b^{3} + 95 \, a^{6} b^{4} + 80 \, a^{5} b^{5} + 39 \, a^{4} b^{6} + 10 \, a^{3} b^{7} + a^{2} b^{8}}{a^{10} b + 8 \, a^{9} b^{2} + 28 \, a^{8} b^{3} + 56 \, a^{7} b^{4} + 70 \, a^{6} b^{5} + 56 \, a^{5} b^{6} + 28 \, a^{4} b^{7} + 8 \, a^{3} b^{8} + a^{2} b^{9}}}{6 \,{\left (b \tan \left (x\right )^{4} + a\right )}^{\frac{3}{2}}} - \frac{\arctan \left (\frac{\sqrt{b} \tan \left (x\right )^{2} - \sqrt{b \tan \left (x\right )^{4} + a} + \sqrt{b}}{\sqrt{-a - b}}\right )}{{\left (a^{2} + 2 \, a b + b^{2}\right )} \sqrt{-a - b}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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