Integrand size = 21, antiderivative size = 60 \[ \int \tan ^4(e+f x) \left (a+b \tan ^2(e+f x)\right ) \, dx=(a-b) x-\frac {(a-b) \tan (e+f x)}{f}+\frac {(a-b) \tan ^3(e+f x)}{3 f}+\frac {b \tan ^5(e+f x)}{5 f} \]
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Time = 0.06 (sec) , antiderivative size = 60, normalized size of antiderivative = 1.00, number of steps used = 4, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.143, Rules used = {3712, 3554, 8} \[ \int \tan ^4(e+f x) \left (a+b \tan ^2(e+f x)\right ) \, dx=\frac {(a-b) \tan ^3(e+f x)}{3 f}-\frac {(a-b) \tan (e+f x)}{f}+x (a-b)+\frac {b \tan ^5(e+f x)}{5 f} \]
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Rule 8
Rule 3554
Rule 3712
Rubi steps \begin{align*} \text {integral}& = \frac {b \tan ^5(e+f x)}{5 f}+(a-b) \int \tan ^4(e+f x) \, dx \\ & = \frac {(a-b) \tan ^3(e+f x)}{3 f}+\frac {b \tan ^5(e+f x)}{5 f}+(-a+b) \int \tan ^2(e+f x) \, dx \\ & = -\frac {(a-b) \tan (e+f x)}{f}+\frac {(a-b) \tan ^3(e+f x)}{3 f}+\frac {b \tan ^5(e+f x)}{5 f}+(a-b) \int 1 \, dx \\ & = (a-b) x-\frac {(a-b) \tan (e+f x)}{f}+\frac {(a-b) \tan ^3(e+f x)}{3 f}+\frac {b \tan ^5(e+f x)}{5 f} \\ \end{align*}
Time = 0.04 (sec) , antiderivative size = 97, normalized size of antiderivative = 1.62 \[ \int \tan ^4(e+f x) \left (a+b \tan ^2(e+f x)\right ) \, dx=\frac {a \arctan (\tan (e+f x))}{f}-\frac {b \arctan (\tan (e+f x))}{f}-\frac {a \tan (e+f x)}{f}+\frac {b \tan (e+f x)}{f}+\frac {a \tan ^3(e+f x)}{3 f}-\frac {b \tan ^3(e+f x)}{3 f}+\frac {b \tan ^5(e+f x)}{5 f} \]
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Time = 0.05 (sec) , antiderivative size = 57, normalized size of antiderivative = 0.95
method | result | size |
norman | \(\left (a -b \right ) x -\frac {\left (a -b \right ) \tan \left (f x +e \right )}{f}+\frac {\left (a -b \right ) \tan \left (f x +e \right )^{3}}{3 f}+\frac {b \tan \left (f x +e \right )^{5}}{5 f}\) | \(57\) |
parallelrisch | \(\frac {3 \tan \left (f x +e \right )^{5} b +5 \tan \left (f x +e \right )^{3} a -5 b \tan \left (f x +e \right )^{3}+15 a f x -15 b f x -15 \tan \left (f x +e \right ) a +15 b \tan \left (f x +e \right )}{15 f}\) | \(68\) |
derivativedivides | \(\frac {\frac {\tan \left (f x +e \right )^{5} b}{5}+\frac {\tan \left (f x +e \right )^{3} a}{3}-\frac {b \tan \left (f x +e \right )^{3}}{3}-\tan \left (f x +e \right ) a +b \tan \left (f x +e \right )+\left (a -b \right ) \arctan \left (\tan \left (f x +e \right )\right )}{f}\) | \(69\) |
default | \(\frac {\frac {\tan \left (f x +e \right )^{5} b}{5}+\frac {\tan \left (f x +e \right )^{3} a}{3}-\frac {b \tan \left (f x +e \right )^{3}}{3}-\tan \left (f x +e \right ) a +b \tan \left (f x +e \right )+\left (a -b \right ) \arctan \left (\tan \left (f x +e \right )\right )}{f}\) | \(69\) |
parts | \(\frac {a \left (\frac {\tan \left (f x +e \right )^{3}}{3}-\tan \left (f x +e \right )+\arctan \left (\tan \left (f x +e \right )\right )\right )}{f}+\frac {b \left (\frac {\tan \left (f x +e \right )^{5}}{5}-\frac {\tan \left (f x +e \right )^{3}}{3}+\tan \left (f x +e \right )-\arctan \left (\tan \left (f x +e \right )\right )\right )}{f}\) | \(74\) |
risch | \(a x -b x -\frac {2 i \left (30 a \,{\mathrm e}^{8 i \left (f x +e \right )}-45 b \,{\mathrm e}^{8 i \left (f x +e \right )}+90 a \,{\mathrm e}^{6 i \left (f x +e \right )}-90 b \,{\mathrm e}^{6 i \left (f x +e \right )}+110 a \,{\mathrm e}^{4 i \left (f x +e \right )}-140 b \,{\mathrm e}^{4 i \left (f x +e \right )}+70 a \,{\mathrm e}^{2 i \left (f x +e \right )}-70 b \,{\mathrm e}^{2 i \left (f x +e \right )}+20 a -23 b \right )}{15 f \left ({\mathrm e}^{2 i \left (f x +e \right )}+1\right )^{5}}\) | \(131\) |
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Time = 0.25 (sec) , antiderivative size = 54, normalized size of antiderivative = 0.90 \[ \int \tan ^4(e+f x) \left (a+b \tan ^2(e+f x)\right ) \, dx=\frac {3 \, b \tan \left (f x + e\right )^{5} + 5 \, {\left (a - b\right )} \tan \left (f x + e\right )^{3} + 15 \, {\left (a - b\right )} f x - 15 \, {\left (a - b\right )} \tan \left (f x + e\right )}{15 \, f} \]
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Time = 0.14 (sec) , antiderivative size = 82, normalized size of antiderivative = 1.37 \[ \int \tan ^4(e+f x) \left (a+b \tan ^2(e+f x)\right ) \, dx=\begin {cases} a x + \frac {a \tan ^{3}{\left (e + f x \right )}}{3 f} - \frac {a \tan {\left (e + f x \right )}}{f} - b x + \frac {b \tan ^{5}{\left (e + f x \right )}}{5 f} - \frac {b \tan ^{3}{\left (e + f x \right )}}{3 f} + \frac {b \tan {\left (e + f x \right )}}{f} & \text {for}\: f \neq 0 \\x \left (a + b \tan ^{2}{\left (e \right )}\right ) \tan ^{4}{\left (e \right )} & \text {otherwise} \end {cases} \]
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Time = 0.30 (sec) , antiderivative size = 57, normalized size of antiderivative = 0.95 \[ \int \tan ^4(e+f x) \left (a+b \tan ^2(e+f x)\right ) \, dx=\frac {3 \, b \tan \left (f x + e\right )^{5} + 5 \, {\left (a - b\right )} \tan \left (f x + e\right )^{3} + 15 \, {\left (f x + e\right )} {\left (a - b\right )} - 15 \, {\left (a - b\right )} \tan \left (f x + e\right )}{15 \, f} \]
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Leaf count of result is larger than twice the leaf count of optimal. 589 vs. \(2 (56) = 112\).
Time = 1.11 (sec) , antiderivative size = 589, normalized size of antiderivative = 9.82 \[ \int \tan ^4(e+f x) \left (a+b \tan ^2(e+f x)\right ) \, dx=\frac {15 \, a f x \tan \left (f x\right )^{5} \tan \left (e\right )^{5} - 15 \, b f x \tan \left (f x\right )^{5} \tan \left (e\right )^{5} - 75 \, a f x \tan \left (f x\right )^{4} \tan \left (e\right )^{4} + 75 \, b f x \tan \left (f x\right )^{4} \tan \left (e\right )^{4} + 15 \, a \tan \left (f x\right )^{5} \tan \left (e\right )^{4} - 15 \, b \tan \left (f x\right )^{5} \tan \left (e\right )^{4} + 15 \, a \tan \left (f x\right )^{4} \tan \left (e\right )^{5} - 15 \, b \tan \left (f x\right )^{4} \tan \left (e\right )^{5} + 150 \, a f x \tan \left (f x\right )^{3} \tan \left (e\right )^{3} - 150 \, b f x \tan \left (f x\right )^{3} \tan \left (e\right )^{3} - 5 \, a \tan \left (f x\right )^{5} \tan \left (e\right )^{2} + 5 \, b \tan \left (f x\right )^{5} \tan \left (e\right )^{2} - 75 \, a \tan \left (f x\right )^{4} \tan \left (e\right )^{3} + 75 \, b \tan \left (f x\right )^{4} \tan \left (e\right )^{3} - 75 \, a \tan \left (f x\right )^{3} \tan \left (e\right )^{4} + 75 \, b \tan \left (f x\right )^{3} \tan \left (e\right )^{4} - 5 \, a \tan \left (f x\right )^{2} \tan \left (e\right )^{5} + 5 \, b \tan \left (f x\right )^{2} \tan \left (e\right )^{5} - 150 \, a f x \tan \left (f x\right )^{2} \tan \left (e\right )^{2} + 150 \, b f x \tan \left (f x\right )^{2} \tan \left (e\right )^{2} - 3 \, b \tan \left (f x\right )^{5} + 10 \, a \tan \left (f x\right )^{4} \tan \left (e\right ) - 25 \, b \tan \left (f x\right )^{4} \tan \left (e\right ) + 120 \, a \tan \left (f x\right )^{3} \tan \left (e\right )^{2} - 150 \, b \tan \left (f x\right )^{3} \tan \left (e\right )^{2} + 120 \, a \tan \left (f x\right )^{2} \tan \left (e\right )^{3} - 150 \, b \tan \left (f x\right )^{2} \tan \left (e\right )^{3} + 10 \, a \tan \left (f x\right ) \tan \left (e\right )^{4} - 25 \, b \tan \left (f x\right ) \tan \left (e\right )^{4} - 3 \, b \tan \left (e\right )^{5} + 75 \, a f x \tan \left (f x\right ) \tan \left (e\right ) - 75 \, b f x \tan \left (f x\right ) \tan \left (e\right ) - 5 \, a \tan \left (f x\right )^{3} + 5 \, b \tan \left (f x\right )^{3} - 75 \, a \tan \left (f x\right )^{2} \tan \left (e\right ) + 75 \, b \tan \left (f x\right )^{2} \tan \left (e\right ) - 75 \, a \tan \left (f x\right ) \tan \left (e\right )^{2} + 75 \, b \tan \left (f x\right ) \tan \left (e\right )^{2} - 5 \, a \tan \left (e\right )^{3} + 5 \, b \tan \left (e\right )^{3} - 15 \, a f x + 15 \, b f x + 15 \, a \tan \left (f x\right ) - 15 \, b \tan \left (f x\right ) + 15 \, a \tan \left (e\right ) - 15 \, b \tan \left (e\right )}{15 \, {\left (f \tan \left (f x\right )^{5} \tan \left (e\right )^{5} - 5 \, f \tan \left (f x\right )^{4} \tan \left (e\right )^{4} + 10 \, f \tan \left (f x\right )^{3} \tan \left (e\right )^{3} - 10 \, f \tan \left (f x\right )^{2} \tan \left (e\right )^{2} + 5 \, f \tan \left (f x\right ) \tan \left (e\right ) - f\right )}} \]
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Time = 11.59 (sec) , antiderivative size = 53, normalized size of antiderivative = 0.88 \[ \int \tan ^4(e+f x) \left (a+b \tan ^2(e+f x)\right ) \, dx=\frac {\frac {b\,{\mathrm {tan}\left (e+f\,x\right )}^5}{5}+\left (\frac {a}{3}-\frac {b}{3}\right )\,{\mathrm {tan}\left (e+f\,x\right )}^3+\left (b-a\right )\,\mathrm {tan}\left (e+f\,x\right )+f\,x\,\left (a-b\right )}{f} \]
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