Integrand size = 21, antiderivative size = 116 \[ \int \frac {\sec ^6(c+d x)}{(a+b \tan (c+d x))^2} \, dx=-\frac {4 a \left (a^2+b^2\right ) \log (a+b \tan (c+d x))}{b^5 d}+\frac {\left (3 a^2+2 b^2\right ) \tan (c+d x)}{b^4 d}-\frac {a \tan ^2(c+d x)}{b^3 d}+\frac {\tan ^3(c+d x)}{3 b^2 d}-\frac {\left (a^2+b^2\right )^2}{b^5 d (a+b \tan (c+d x))} \]
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Time = 0.12 (sec) , antiderivative size = 116, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.095, Rules used = {3587, 711} \[ \int \frac {\sec ^6(c+d x)}{(a+b \tan (c+d x))^2} \, dx=-\frac {\left (a^2+b^2\right )^2}{b^5 d (a+b \tan (c+d x))}-\frac {4 a \left (a^2+b^2\right ) \log (a+b \tan (c+d x))}{b^5 d}+\frac {\left (3 a^2+2 b^2\right ) \tan (c+d x)}{b^4 d}-\frac {a \tan ^2(c+d x)}{b^3 d}+\frac {\tan ^3(c+d x)}{3 b^2 d} \]
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Rule 711
Rule 3587
Rubi steps \begin{align*} \text {integral}& = \frac {\text {Subst}\left (\int \frac {\left (1+\frac {x^2}{b^2}\right )^2}{(a+x)^2} \, dx,x,b \tan (c+d x)\right )}{b d} \\ & = \frac {\text {Subst}\left (\int \left (\frac {3 a^2+2 b^2}{b^4}-\frac {2 a x}{b^4}+\frac {x^2}{b^4}+\frac {\left (a^2+b^2\right )^2}{b^4 (a+x)^2}-\frac {4 a \left (a^2+b^2\right )}{b^4 (a+x)}\right ) \, dx,x,b \tan (c+d x)\right )}{b d} \\ & = -\frac {4 a \left (a^2+b^2\right ) \log (a+b \tan (c+d x))}{b^5 d}+\frac {\left (3 a^2+2 b^2\right ) \tan (c+d x)}{b^4 d}-\frac {a \tan ^2(c+d x)}{b^3 d}+\frac {\tan ^3(c+d x)}{3 b^2 d}-\frac {\left (a^2+b^2\right )^2}{b^5 d (a+b \tan (c+d x))} \\ \end{align*}
Time = 5.39 (sec) , antiderivative size = 122, normalized size of antiderivative = 1.05 \[ \int \frac {\sec ^6(c+d x)}{(a+b \tan (c+d x))^2} \, dx=\frac {4 b \left (2 a^2+b^2\right ) \tan (c+d x)-2 a b^2 \tan ^2(c+d x)+\frac {b^4 \sec ^4(c+d x)-4 \left (a^2+b^2\right ) \left (a^2+b^2+3 a^2 \log (a+b \tan (c+d x))+3 a b \log (a+b \tan (c+d x)) \tan (c+d x)\right )}{a+b \tan (c+d x)}}{3 b^5 d} \]
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Time = 58.77 (sec) , antiderivative size = 114, normalized size of antiderivative = 0.98
method | result | size |
derivativedivides | \(\frac {\frac {\frac {b^{2} \left (\tan ^{3}\left (d x +c \right )\right )}{3}-a b \left (\tan ^{2}\left (d x +c \right )\right )+3 a^{2} \tan \left (d x +c \right )+2 b^{2} \tan \left (d x +c \right )}{b^{4}}-\frac {a^{4}+2 a^{2} b^{2}+b^{4}}{b^{5} \left (a +b \tan \left (d x +c \right )\right )}-\frac {4 a \left (a^{2}+b^{2}\right ) \ln \left (a +b \tan \left (d x +c \right )\right )}{b^{5}}}{d}\) | \(114\) |
default | \(\frac {\frac {\frac {b^{2} \left (\tan ^{3}\left (d x +c \right )\right )}{3}-a b \left (\tan ^{2}\left (d x +c \right )\right )+3 a^{2} \tan \left (d x +c \right )+2 b^{2} \tan \left (d x +c \right )}{b^{4}}-\frac {a^{4}+2 a^{2} b^{2}+b^{4}}{b^{5} \left (a +b \tan \left (d x +c \right )\right )}-\frac {4 a \left (a^{2}+b^{2}\right ) \ln \left (a +b \tan \left (d x +c \right )\right )}{b^{5}}}{d}\) | \(114\) |
risch | \(-\frac {8 i \left (3 a^{2} b \,{\mathrm e}^{4 i \left (d x +c \right )}+6 a^{2} b \,{\mathrm e}^{2 i \left (d x +c \right )}-3 i a^{3} {\mathrm e}^{6 i \left (d x +c \right )}-9 i a^{3} {\mathrm e}^{4 i \left (d x +c \right )}-9 i a^{3} {\mathrm e}^{2 i \left (d x +c \right )}+2 b^{3}+3 a^{2} b -2 i a \,b^{2}-3 i a^{3}+4 b^{3} {\mathrm e}^{2 i \left (d x +c \right )}-3 i a \,b^{2} {\mathrm e}^{6 i \left (d x +c \right )}-6 i a \,b^{2} {\mathrm e}^{4 i \left (d x +c \right )}-5 i a \,b^{2} {\mathrm e}^{2 i \left (d x +c \right )}\right )}{3 \left ({\mathrm e}^{2 i \left (d x +c \right )}+1\right )^{3} \left (b \,{\mathrm e}^{2 i \left (d x +c \right )}+i a \,{\mathrm e}^{2 i \left (d x +c \right )}-b +i a \right ) b^{4} d}+\frac {4 a^{3} \ln \left ({\mathrm e}^{2 i \left (d x +c \right )}+1\right )}{b^{5} d}+\frac {4 a \ln \left ({\mathrm e}^{2 i \left (d x +c \right )}+1\right )}{b^{3} d}-\frac {4 a^{3} \ln \left ({\mathrm e}^{2 i \left (d x +c \right )}-\frac {i b +a}{i b -a}\right )}{b^{5} d}-\frac {4 a \ln \left ({\mathrm e}^{2 i \left (d x +c \right )}-\frac {i b +a}{i b -a}\right )}{b^{3} d}\) | \(342\) |
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Leaf count of result is larger than twice the leaf count of optimal. 281 vs. \(2 (114) = 228\).
Time = 0.27 (sec) , antiderivative size = 281, normalized size of antiderivative = 2.42 \[ \int \frac {\sec ^6(c+d x)}{(a+b \tan (c+d x))^2} \, dx=-\frac {4 \, {\left (3 \, a^{2} b^{2} + 2 \, b^{4}\right )} \cos \left (d x + c\right )^{4} - b^{4} - 2 \, {\left (3 \, a^{2} b^{2} + 2 \, b^{4}\right )} \cos \left (d x + c\right )^{2} + 6 \, {\left ({\left (a^{4} + a^{2} b^{2}\right )} \cos \left (d x + c\right )^{4} + {\left (a^{3} b + a b^{3}\right )} \cos \left (d x + c\right )^{3} \sin \left (d x + c\right )\right )} \log \left (2 \, a b \cos \left (d x + c\right ) \sin \left (d x + c\right ) + {\left (a^{2} - b^{2}\right )} \cos \left (d x + c\right )^{2} + b^{2}\right ) - 6 \, {\left ({\left (a^{4} + a^{2} b^{2}\right )} \cos \left (d x + c\right )^{4} + {\left (a^{3} b + a b^{3}\right )} \cos \left (d x + c\right )^{3} \sin \left (d x + c\right )\right )} \log \left (\cos \left (d x + c\right )^{2}\right ) + 2 \, {\left (a b^{3} \cos \left (d x + c\right ) - 2 \, {\left (3 \, a^{3} b + 2 \, a b^{3}\right )} \cos \left (d x + c\right )^{3}\right )} \sin \left (d x + c\right )}{3 \, {\left (a b^{5} d \cos \left (d x + c\right )^{4} + b^{6} d \cos \left (d x + c\right )^{3} \sin \left (d x + c\right )\right )}} \]
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\[ \int \frac {\sec ^6(c+d x)}{(a+b \tan (c+d x))^2} \, dx=\int \frac {\sec ^{6}{\left (c + d x \right )}}{\left (a + b \tan {\left (c + d x \right )}\right )^{2}}\, dx \]
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Time = 0.23 (sec) , antiderivative size = 115, normalized size of antiderivative = 0.99 \[ \int \frac {\sec ^6(c+d x)}{(a+b \tan (c+d x))^2} \, dx=-\frac {\frac {3 \, {\left (a^{4} + 2 \, a^{2} b^{2} + b^{4}\right )}}{b^{6} \tan \left (d x + c\right ) + a b^{5}} - \frac {b^{2} \tan \left (d x + c\right )^{3} - 3 \, a b \tan \left (d x + c\right )^{2} + 3 \, {\left (3 \, a^{2} + 2 \, b^{2}\right )} \tan \left (d x + c\right )}{b^{4}} + \frac {12 \, {\left (a^{3} + a b^{2}\right )} \log \left (b \tan \left (d x + c\right ) + a\right )}{b^{5}}}{3 \, d} \]
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Time = 0.45 (sec) , antiderivative size = 149, normalized size of antiderivative = 1.28 \[ \int \frac {\sec ^6(c+d x)}{(a+b \tan (c+d x))^2} \, dx=-\frac {\frac {12 \, {\left (a^{3} + a b^{2}\right )} \log \left ({\left | b \tan \left (d x + c\right ) + a \right |}\right )}{b^{5}} - \frac {b^{4} \tan \left (d x + c\right )^{3} - 3 \, a b^{3} \tan \left (d x + c\right )^{2} + 9 \, a^{2} b^{2} \tan \left (d x + c\right ) + 6 \, b^{4} \tan \left (d x + c\right )}{b^{6}} - \frac {3 \, {\left (4 \, a^{3} b \tan \left (d x + c\right ) + 4 \, a b^{3} \tan \left (d x + c\right ) + 3 \, a^{4} + 2 \, a^{2} b^{2} - b^{4}\right )}}{{\left (b \tan \left (d x + c\right ) + a\right )} b^{5}}}{3 \, d} \]
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Time = 4.29 (sec) , antiderivative size = 130, normalized size of antiderivative = 1.12 \[ \int \frac {\sec ^6(c+d x)}{(a+b \tan (c+d x))^2} \, dx=\frac {{\mathrm {tan}\left (c+d\,x\right )}^3}{3\,b^2\,d}+\frac {\mathrm {tan}\left (c+d\,x\right )\,\left (\frac {2}{b^2}+\frac {3\,a^2}{b^4}\right )}{d}-\frac {a\,{\mathrm {tan}\left (c+d\,x\right )}^2}{b^3\,d}-\frac {\ln \left (a+b\,\mathrm {tan}\left (c+d\,x\right )\right )\,\left (4\,a^3+4\,a\,b^2\right )}{b^5\,d}-\frac {a^4+2\,a^2\,b^2+b^4}{b\,d\,\left (\mathrm {tan}\left (c+d\,x\right )\,b^5+a\,b^4\right )} \]
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