Optimal. Leaf size=295 \[ \frac{3 a b \left (6 a^2 b^2+a^4-27 b^4\right )}{8 d \left (a^2+b^2\right )^4 (a+b \tan (c+d x))}+\frac{3 b \left (5 a^2 b^2+a^4-4 b^4\right )}{8 d \left (a^2+b^2\right )^3 (a+b \tan (c+d x))^2}-\frac{\cos ^2(c+d x) \left (2 b \left (a^2-3 b^2\right )-a \left (3 a^2+11 b^2\right ) \tan (c+d x)\right )}{8 d \left (a^2+b^2\right )^2 (a+b \tan (c+d x))^2}+\frac{\cos ^4(c+d x) (a \tan (c+d x)+b)}{4 d \left (a^2+b^2\right ) (a+b \tan (c+d x))^2}+\frac{3 b^5 \left (7 a^2-b^2\right ) \log (a \cos (c+d x)+b \sin (c+d x))}{d \left (a^2+b^2\right )^5}+\frac{3 a x \left (7 a^4 b^2+35 a^2 b^4+a^6-35 b^6\right )}{8 \left (a^2+b^2\right )^5} \]
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Rubi [A] time = 0.349339, antiderivative size = 295, normalized size of antiderivative = 1., number of steps used = 8, number of rules used = 7, integrand size = 21, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.333, Rules used = {3506, 741, 823, 801, 635, 203, 260} \[ \frac{3 a b \left (6 a^2 b^2+a^4-27 b^4\right )}{8 d \left (a^2+b^2\right )^4 (a+b \tan (c+d x))}+\frac{3 b \left (5 a^2 b^2+a^4-4 b^4\right )}{8 d \left (a^2+b^2\right )^3 (a+b \tan (c+d x))^2}-\frac{\cos ^2(c+d x) \left (2 b \left (a^2-3 b^2\right )-a \left (3 a^2+11 b^2\right ) \tan (c+d x)\right )}{8 d \left (a^2+b^2\right )^2 (a+b \tan (c+d x))^2}+\frac{\cos ^4(c+d x) (a \tan (c+d x)+b)}{4 d \left (a^2+b^2\right ) (a+b \tan (c+d x))^2}+\frac{3 b^5 \left (7 a^2-b^2\right ) \log (a \cos (c+d x)+b \sin (c+d x))}{d \left (a^2+b^2\right )^5}+\frac{3 a x \left (7 a^4 b^2+35 a^2 b^4+a^6-35 b^6\right )}{8 \left (a^2+b^2\right )^5} \]
Antiderivative was successfully verified.
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Rule 3506
Rule 741
Rule 823
Rule 801
Rule 635
Rule 203
Rule 260
Rubi steps
\begin{align*} \int \frac{\cos ^4(c+d x)}{(a+b \tan (c+d x))^3} \, dx &=\frac{\operatorname{Subst}\left (\int \frac{1}{(a+x)^3 \left (1+\frac{x^2}{b^2}\right )^3} \, dx,x,b \tan (c+d x)\right )}{b d}\\ &=\frac{\cos ^4(c+d x) (b+a \tan (c+d x))}{4 \left (a^2+b^2\right ) d (a+b \tan (c+d x))^2}-\frac{b \operatorname{Subst}\left (\int \frac{-3 \left (2+\frac{a^2}{b^2}\right )-\frac{5 a x}{b^2}}{(a+x)^3 \left (1+\frac{x^2}{b^2}\right )^2} \, dx,x,b \tan (c+d x)\right )}{4 \left (a^2+b^2\right ) d}\\ &=\frac{\cos ^4(c+d x) (b+a \tan (c+d x))}{4 \left (a^2+b^2\right ) d (a+b \tan (c+d x))^2}-\frac{\cos ^2(c+d x) \left (2 b \left (a^2-3 b^2\right )-a \left (3 a^2+11 b^2\right ) \tan (c+d x)\right )}{8 \left (a^2+b^2\right )^2 d (a+b \tan (c+d x))^2}+\frac{b^5 \operatorname{Subst}\left (\int \frac{\frac{3 \left (a^4+a^2 b^2+8 b^4\right )}{b^6}+\frac{3 a \left (3 a^2+11 b^2\right ) x}{b^6}}{(a+x)^3 \left (1+\frac{x^2}{b^2}\right )} \, dx,x,b \tan (c+d x)\right )}{8 \left (a^2+b^2\right )^2 d}\\ &=\frac{\cos ^4(c+d x) (b+a \tan (c+d x))}{4 \left (a^2+b^2\right ) d (a+b \tan (c+d x))^2}-\frac{\cos ^2(c+d x) \left (2 b \left (a^2-3 b^2\right )-a \left (3 a^2+11 b^2\right ) \tan (c+d x)\right )}{8 \left (a^2+b^2\right )^2 d (a+b \tan (c+d x))^2}+\frac{b^5 \operatorname{Subst}\left (\int \left (\frac{6 \left (-a^4-5 a^2 b^2+4 b^4\right )}{b^4 \left (a^2+b^2\right ) (a+x)^3}+\frac{3 a \left (-a^4-6 a^2 b^2+27 b^4\right )}{b^4 \left (a^2+b^2\right )^2 (a+x)^2}+\frac{24 \left (7 a^2-b^2\right )}{\left (a^2+b^2\right )^3 (a+x)}+\frac{3 \left (a \left (a^6+7 a^4 b^2+35 a^2 b^4-35 b^6\right )-8 b^4 \left (7 a^2-b^2\right ) x\right )}{b^4 \left (a^2+b^2\right )^3 \left (b^2+x^2\right )}\right ) \, dx,x,b \tan (c+d x)\right )}{8 \left (a^2+b^2\right )^2 d}\\ &=\frac{3 b^5 \left (7 a^2-b^2\right ) \log (a+b \tan (c+d x))}{\left (a^2+b^2\right )^5 d}+\frac{3 b \left (a^4+5 a^2 b^2-4 b^4\right )}{8 \left (a^2+b^2\right )^3 d (a+b \tan (c+d x))^2}+\frac{\cos ^4(c+d x) (b+a \tan (c+d x))}{4 \left (a^2+b^2\right ) d (a+b \tan (c+d x))^2}+\frac{3 a b \left (a^4+6 a^2 b^2-27 b^4\right )}{8 \left (a^2+b^2\right )^4 d (a+b \tan (c+d x))}-\frac{\cos ^2(c+d x) \left (2 b \left (a^2-3 b^2\right )-a \left (3 a^2+11 b^2\right ) \tan (c+d x)\right )}{8 \left (a^2+b^2\right )^2 d (a+b \tan (c+d x))^2}+\frac{(3 b) \operatorname{Subst}\left (\int \frac{a \left (a^6+7 a^4 b^2+35 a^2 b^4-35 b^6\right )-8 b^4 \left (7 a^2-b^2\right ) x}{b^2+x^2} \, dx,x,b \tan (c+d x)\right )}{8 \left (a^2+b^2\right )^5 d}\\ &=\frac{3 b^5 \left (7 a^2-b^2\right ) \log (a+b \tan (c+d x))}{\left (a^2+b^2\right )^5 d}+\frac{3 b \left (a^4+5 a^2 b^2-4 b^4\right )}{8 \left (a^2+b^2\right )^3 d (a+b \tan (c+d x))^2}+\frac{\cos ^4(c+d x) (b+a \tan (c+d x))}{4 \left (a^2+b^2\right ) d (a+b \tan (c+d x))^2}+\frac{3 a b \left (a^4+6 a^2 b^2-27 b^4\right )}{8 \left (a^2+b^2\right )^4 d (a+b \tan (c+d x))}-\frac{\cos ^2(c+d x) \left (2 b \left (a^2-3 b^2\right )-a \left (3 a^2+11 b^2\right ) \tan (c+d x)\right )}{8 \left (a^2+b^2\right )^2 d (a+b \tan (c+d x))^2}-\frac{\left (3 b^5 \left (7 a^2-b^2\right )\right ) \operatorname{Subst}\left (\int \frac{x}{b^2+x^2} \, dx,x,b \tan (c+d x)\right )}{\left (a^2+b^2\right )^5 d}+\frac{\left (3 a b \left (a^6+7 a^4 b^2+35 a^2 b^4-35 b^6\right )\right ) \operatorname{Subst}\left (\int \frac{1}{b^2+x^2} \, dx,x,b \tan (c+d x)\right )}{8 \left (a^2+b^2\right )^5 d}\\ &=\frac{3 a \left (a^6+7 a^4 b^2+35 a^2 b^4-35 b^6\right ) x}{8 \left (a^2+b^2\right )^5}+\frac{3 b^5 \left (7 a^2-b^2\right ) \log (\cos (c+d x))}{\left (a^2+b^2\right )^5 d}+\frac{3 b^5 \left (7 a^2-b^2\right ) \log (a+b \tan (c+d x))}{\left (a^2+b^2\right )^5 d}+\frac{3 b \left (a^4+5 a^2 b^2-4 b^4\right )}{8 \left (a^2+b^2\right )^3 d (a+b \tan (c+d x))^2}+\frac{\cos ^4(c+d x) (b+a \tan (c+d x))}{4 \left (a^2+b^2\right ) d (a+b \tan (c+d x))^2}+\frac{3 a b \left (a^4+6 a^2 b^2-27 b^4\right )}{8 \left (a^2+b^2\right )^4 d (a+b \tan (c+d x))}-\frac{\cos ^2(c+d x) \left (2 b \left (a^2-3 b^2\right )-a \left (3 a^2+11 b^2\right ) \tan (c+d x)\right )}{8 \left (a^2+b^2\right )^2 d (a+b \tan (c+d x))^2}\\ \end{align*}
Mathematica [B] time = 6.24788, size = 596, normalized size = 2.02 \[ \frac{b^5 \left (\frac{\cos ^4(c+d x) \left (a b \tan (c+d x)+b^2\right )}{4 b^6 \left (a^2+b^2\right ) (a+b \tan (c+d x))^2}-\frac{\frac{\cos ^2(c+d x) \left (b \left (-3 a \left (a^2+2 b^2\right )-5 a b^2\right ) \tan (c+d x)+5 a^2 b^2-3 b^2 \left (a^2+2 b^2\right )\right )}{2 b^4 \left (a^2+b^2\right ) (a+b \tan (c+d x))^2}-\frac{\left (3 \left (a^2 b^2+a^4+8 b^4\right )-3 a^2 \left (3 a^2+11 b^2\right )\right ) \left (-\frac{2 a}{\left (a^2+b^2\right )^2 (a+b \tan (c+d x))}-\frac{1}{2 \left (a^2+b^2\right ) (a+b \tan (c+d x))^2}-\frac{\left (-\frac{a^3-3 a b^2}{\sqrt{-b^2}}+3 a^2-b^2\right ) \log \left (\sqrt{-b^2}-b \tan (c+d x)\right )}{2 \left (a^2+b^2\right )^3}+\frac{\left (3 a^2-b^2\right ) \log (a+b \tan (c+d x))}{\left (a^2+b^2\right )^3}-\frac{\left (\frac{a^3-3 a b^2}{\sqrt{-b^2}}+3 a^2-b^2\right ) \log \left (\sqrt{-b^2}+b \tan (c+d x)\right )}{2 \left (a^2+b^2\right )^3}\right )+3 a \left (3 a^2+11 b^2\right ) \left (-\frac{1}{\left (a^2+b^2\right ) (a+b \tan (c+d x))}-\frac{\left (2 a-\frac{a^2-b^2}{\sqrt{-b^2}}\right ) \log \left (\sqrt{-b^2}-b \tan (c+d x)\right )}{2 \left (a^2+b^2\right )^2}+\frac{2 a \log (a+b \tan (c+d x))}{\left (a^2+b^2\right )^2}-\frac{\left (\frac{a^2-b^2}{\sqrt{-b^2}}+2 a\right ) \log \left (\sqrt{-b^2}+b \tan (c+d x)\right )}{2 \left (a^2+b^2\right )^2}\right )}{2 b^2 \left (a^2+b^2\right )}}{4 b^2 \left (a^2+b^2\right )}\right )}{d} \]
Antiderivative was successfully verified.
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Maple [B] time = 0.13, size = 824, normalized size = 2.8 \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 [B] time = 1.81573, size = 996, normalized size = 3.38 \begin{align*} \text{result too large to display} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [B] time = 2.87083, size = 1497, normalized size = 5.07 \begin{align*} \text{result too large to display} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [F(-2)] time = 0., size = 0, normalized size = 0. \begin{align*} \text{Exception raised: AttributeError} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [B] time = 1.38893, size = 792, normalized size = 2.68 \begin{align*} \frac{\frac{3 \,{\left (a^{7} + 7 \, a^{5} b^{2} + 35 \, a^{3} b^{4} - 35 \, a b^{6}\right )}{\left (d x + c\right )}}{a^{10} + 5 \, a^{8} b^{2} + 10 \, a^{6} b^{4} + 10 \, a^{4} b^{6} + 5 \, a^{2} b^{8} + b^{10}} - \frac{12 \,{\left (7 \, a^{2} b^{5} - b^{7}\right )} \log \left (\tan \left (d x + c\right )^{2} + 1\right )}{a^{10} + 5 \, a^{8} b^{2} + 10 \, a^{6} b^{4} + 10 \, a^{4} b^{6} + 5 \, a^{2} b^{8} + b^{10}} + \frac{24 \,{\left (7 \, a^{2} b^{6} - b^{8}\right )} \log \left ({\left | b \tan \left (d x + c\right ) + a \right |}\right )}{a^{10} b + 5 \, a^{8} b^{3} + 10 \, a^{6} b^{5} + 10 \, a^{4} b^{7} + 5 \, a^{2} b^{9} + b^{11}} + \frac{3 \, a^{5} b^{2} \tan \left (d x + c\right )^{5} + 18 \, a^{3} b^{4} \tan \left (d x + c\right )^{5} - 81 \, a b^{6} \tan \left (d x + c\right )^{5} + 6 \, a^{6} b \tan \left (d x + c\right )^{4} + 36 \, a^{4} b^{3} \tan \left (d x + c\right )^{4} - 78 \, a^{2} b^{5} \tan \left (d x + c\right )^{4} - 12 \, b^{7} \tan \left (d x + c\right )^{4} + 3 \, a^{7} \tan \left (d x + c\right )^{3} + 23 \, a^{5} b^{2} \tan \left (d x + c\right )^{3} + 61 \, a^{3} b^{4} \tan \left (d x + c\right )^{3} - 151 \, a b^{6} \tan \left (d x + c\right )^{3} + 10 \, a^{6} b \tan \left (d x + c\right )^{2} + 74 \, a^{4} b^{3} \tan \left (d x + c\right )^{2} - 146 \, a^{2} b^{5} \tan \left (d x + c\right )^{2} - 18 \, b^{7} \tan \left (d x + c\right )^{2} + 5 \, a^{7} \tan \left (d x + c\right ) + 26 \, a^{5} b^{2} \tan \left (d x + c\right ) + 49 \, a^{3} b^{4} \tan \left (d x + c\right ) - 68 \, a b^{6} \tan \left (d x + c\right ) + 6 \, a^{6} b + 44 \, a^{4} b^{3} - 62 \, a^{2} b^{5} - 4 \, b^{7}}{{\left (a^{8} + 4 \, a^{6} b^{2} + 6 \, a^{4} b^{4} + 4 \, a^{2} b^{6} + b^{8}\right )}{\left (b \tan \left (d x + c\right )^{3} + a \tan \left (d x + c\right )^{2} + b \tan \left (d x + c\right ) + a\right )}^{2}}}{8 \, d} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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