Integrand size = 21, antiderivative size = 40 \[ \int \tan ^2(e+f x) \left (a+b \tan ^2(e+f x)\right ) \, dx=-((a-b) x)+\frac {(a-b) \tan (e+f x)}{f}+\frac {b \tan ^3(e+f x)}{3 f} \]
[Out]
Time = 0.04 (sec) , antiderivative size = 40, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.143, Rules used = {3712, 3554, 8} \[ \int \tan ^2(e+f x) \left (a+b \tan ^2(e+f x)\right ) \, dx=\frac {(a-b) \tan (e+f x)}{f}-x (a-b)+\frac {b \tan ^3(e+f x)}{3 f} \]
[In]
[Out]
Rule 8
Rule 3554
Rule 3712
Rubi steps \begin{align*} \text {integral}& = \frac {b \tan ^3(e+f x)}{3 f}+(a-b) \int \tan ^2(e+f x) \, dx \\ & = \frac {(a-b) \tan (e+f x)}{f}+\frac {b \tan ^3(e+f x)}{3 f}+(-a+b) \int 1 \, dx \\ & = -((a-b) x)+\frac {(a-b) \tan (e+f x)}{f}+\frac {b \tan ^3(e+f x)}{3 f} \\ \end{align*}
Time = 0.03 (sec) , antiderivative size = 65, normalized size of antiderivative = 1.62 \[ \int \tan ^2(e+f x) \left (a+b \tan ^2(e+f x)\right ) \, dx=-\frac {a \arctan (\tan (e+f x))}{f}+\frac {b \arctan (\tan (e+f x))}{f}+\frac {a \tan (e+f x)}{f}-\frac {b \tan (e+f x)}{f}+\frac {b \tan ^3(e+f x)}{3 f} \]
[In]
[Out]
Time = 0.04 (sec) , antiderivative size = 38, normalized size of antiderivative = 0.95
method | result | size |
norman | \(\left (-a +b \right ) x +\frac {\left (a -b \right ) \tan \left (f x +e \right )}{f}+\frac {b \tan \left (f x +e \right )^{3}}{3 f}\) | \(38\) |
parallelrisch | \(-\frac {-b \tan \left (f x +e \right )^{3}+3 a f x -3 b f x -3 \tan \left (f x +e \right ) a +3 b \tan \left (f x +e \right )}{3 f}\) | \(46\) |
derivativedivides | \(\frac {\frac {b \tan \left (f x +e \right )^{3}}{3}+\tan \left (f x +e \right ) a -b \tan \left (f x +e \right )+\left (-a +b \right ) \arctan \left (\tan \left (f x +e \right )\right )}{f}\) | \(47\) |
default | \(\frac {\frac {b \tan \left (f x +e \right )^{3}}{3}+\tan \left (f x +e \right ) a -b \tan \left (f x +e \right )+\left (-a +b \right ) \arctan \left (\tan \left (f x +e \right )\right )}{f}\) | \(47\) |
parts | \(\frac {a \left (\tan \left (f x +e \right )-\arctan \left (\tan \left (f x +e \right )\right )\right )}{f}+\frac {b \left (\frac {\tan \left (f x +e \right )^{3}}{3}-\tan \left (f x +e \right )+\arctan \left (\tan \left (f x +e \right )\right )\right )}{f}\) | \(54\) |
risch | \(-a x +b x +\frac {2 i \left (3 a \,{\mathrm e}^{4 i \left (f x +e \right )}-6 b \,{\mathrm e}^{4 i \left (f x +e \right )}+6 a \,{\mathrm e}^{2 i \left (f x +e \right )}-6 b \,{\mathrm e}^{2 i \left (f x +e \right )}+3 a -4 b \right )}{3 f \left ({\mathrm e}^{2 i \left (f x +e \right )}+1\right )^{3}}\) | \(83\) |
[In]
[Out]
none
Time = 0.25 (sec) , antiderivative size = 38, normalized size of antiderivative = 0.95 \[ \int \tan ^2(e+f x) \left (a+b \tan ^2(e+f x)\right ) \, dx=\frac {b \tan \left (f x + e\right )^{3} - 3 \, {\left (a - b\right )} f x + 3 \, {\left (a - b\right )} \tan \left (f x + e\right )}{3 \, f} \]
[In]
[Out]
Time = 0.10 (sec) , antiderivative size = 54, normalized size of antiderivative = 1.35 \[ \int \tan ^2(e+f x) \left (a+b \tan ^2(e+f x)\right ) \, dx=\begin {cases} - a x + \frac {a \tan {\left (e + f x \right )}}{f} + b x + \frac {b \tan ^{3}{\left (e + f x \right )}}{3 f} - \frac {b \tan {\left (e + f x \right )}}{f} & \text {for}\: f \neq 0 \\x \left (a + b \tan ^{2}{\left (e \right )}\right ) \tan ^{2}{\left (e \right )} & \text {otherwise} \end {cases} \]
[In]
[Out]
none
Time = 0.33 (sec) , antiderivative size = 41, normalized size of antiderivative = 1.02 \[ \int \tan ^2(e+f x) \left (a+b \tan ^2(e+f x)\right ) \, dx=\frac {b \tan \left (f x + e\right )^{3} - 3 \, {\left (f x + e\right )} {\left (a - b\right )} + 3 \, {\left (a - b\right )} \tan \left (f x + e\right )}{3 \, f} \]
[In]
[Out]
Leaf count of result is larger than twice the leaf count of optimal. 269 vs. \(2 (38) = 76\).
Time = 0.56 (sec) , antiderivative size = 269, normalized size of antiderivative = 6.72 \[ \int \tan ^2(e+f x) \left (a+b \tan ^2(e+f x)\right ) \, dx=-\frac {3 \, a f x \tan \left (f x\right )^{3} \tan \left (e\right )^{3} - 3 \, b f x \tan \left (f x\right )^{3} \tan \left (e\right )^{3} - 9 \, a f x \tan \left (f x\right )^{2} \tan \left (e\right )^{2} + 9 \, b f x \tan \left (f x\right )^{2} \tan \left (e\right )^{2} + 3 \, a \tan \left (f x\right )^{3} \tan \left (e\right )^{2} - 3 \, b \tan \left (f x\right )^{3} \tan \left (e\right )^{2} + 3 \, a \tan \left (f x\right )^{2} \tan \left (e\right )^{3} - 3 \, b \tan \left (f x\right )^{2} \tan \left (e\right )^{3} + 9 \, a f x \tan \left (f x\right ) \tan \left (e\right ) - 9 \, b f x \tan \left (f x\right ) \tan \left (e\right ) + b \tan \left (f x\right )^{3} - 6 \, a \tan \left (f x\right )^{2} \tan \left (e\right ) + 9 \, b \tan \left (f x\right )^{2} \tan \left (e\right ) - 6 \, a \tan \left (f x\right ) \tan \left (e\right )^{2} + 9 \, b \tan \left (f x\right ) \tan \left (e\right )^{2} + b \tan \left (e\right )^{3} - 3 \, a f x + 3 \, b f x + 3 \, a \tan \left (f x\right ) - 3 \, b \tan \left (f x\right ) + 3 \, a \tan \left (e\right ) - 3 \, b \tan \left (e\right )}{3 \, {\left (f \tan \left (f x\right )^{3} \tan \left (e\right )^{3} - 3 \, f \tan \left (f x\right )^{2} \tan \left (e\right )^{2} + 3 \, f \tan \left (f x\right ) \tan \left (e\right ) - f\right )}} \]
[In]
[Out]
Time = 11.79 (sec) , antiderivative size = 37, normalized size of antiderivative = 0.92 \[ \int \tan ^2(e+f x) \left (a+b \tan ^2(e+f x)\right ) \, dx=\frac {\frac {b\,{\mathrm {tan}\left (e+f\,x\right )}^3}{3}+\left (a-b\right )\,\mathrm {tan}\left (e+f\,x\right )-f\,x\,\left (a-b\right )}{f} \]
[In]
[Out]