Integrand size = 23, antiderivative size = 299 \[ \int \sec ^2(c+d x) (a+b \sec (c+d x))^{5/3} \, dx=\frac {3 a (a+b \sec (c+d x))^{2/3} \tan (c+d x)}{8 d}+\frac {3 (a+b \sec (c+d x))^{5/3} \tan (c+d x)}{8 d}+\frac {\left (2 a^2+5 b^2\right ) \operatorname {AppellF1}\left (\frac {1}{2},\frac {1}{2},-\frac {2}{3},\frac {3}{2},\frac {1}{2} (1-\sec (c+d x)),\frac {b (1-\sec (c+d x))}{a+b}\right ) (a+b \sec (c+d x))^{2/3} \tan (c+d x)}{4 \sqrt {2} b d \sqrt {1+\sec (c+d x)} \left (\frac {a+b \sec (c+d x)}{a+b}\right )^{2/3}}-\frac {a \left (a^2-b^2\right ) \operatorname {AppellF1}\left (\frac {1}{2},\frac {1}{2},\frac {1}{3},\frac {3}{2},\frac {1}{2} (1-\sec (c+d x)),\frac {b (1-\sec (c+d x))}{a+b}\right ) \sqrt [3]{\frac {a+b \sec (c+d x)}{a+b}} \tan (c+d x)}{2 \sqrt {2} b d \sqrt {1+\sec (c+d x)} \sqrt [3]{a+b \sec (c+d x)}} \]
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Time = 0.58 (sec) , antiderivative size = 299, normalized size of antiderivative = 1.00, number of steps used = 9, number of rules used = 6, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.261, Rules used = {3920, 4087, 4092, 3919, 144, 143} \[ \int \sec ^2(c+d x) (a+b \sec (c+d x))^{5/3} \, dx=\frac {\left (2 a^2+5 b^2\right ) \tan (c+d x) (a+b \sec (c+d x))^{2/3} \operatorname {AppellF1}\left (\frac {1}{2},\frac {1}{2},-\frac {2}{3},\frac {3}{2},\frac {1}{2} (1-\sec (c+d x)),\frac {b (1-\sec (c+d x))}{a+b}\right )}{4 \sqrt {2} b d \sqrt {\sec (c+d x)+1} \left (\frac {a+b \sec (c+d x)}{a+b}\right )^{2/3}}-\frac {a \left (a^2-b^2\right ) \tan (c+d x) \sqrt [3]{\frac {a+b \sec (c+d x)}{a+b}} \operatorname {AppellF1}\left (\frac {1}{2},\frac {1}{2},\frac {1}{3},\frac {3}{2},\frac {1}{2} (1-\sec (c+d x)),\frac {b (1-\sec (c+d x))}{a+b}\right )}{2 \sqrt {2} b d \sqrt {\sec (c+d x)+1} \sqrt [3]{a+b \sec (c+d x)}}+\frac {3 \tan (c+d x) (a+b \sec (c+d x))^{5/3}}{8 d}+\frac {3 a \tan (c+d x) (a+b \sec (c+d x))^{2/3}}{8 d} \]
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Rule 143
Rule 144
Rule 3919
Rule 3920
Rule 4087
Rule 4092
Rubi steps \begin{align*} \text {integral}& = \frac {3 (a+b \sec (c+d x))^{5/3} \tan (c+d x)}{8 d}+\frac {5}{8} \int \sec (c+d x) (b+a \sec (c+d x)) (a+b \sec (c+d x))^{2/3} \, dx \\ & = \frac {3 a (a+b \sec (c+d x))^{2/3} \tan (c+d x)}{8 d}+\frac {3 (a+b \sec (c+d x))^{5/3} \tan (c+d x)}{8 d}+\frac {3}{8} \int \frac {\sec (c+d x) \left (\frac {7 a b}{3}+\frac {1}{3} \left (2 a^2+5 b^2\right ) \sec (c+d x)\right )}{\sqrt [3]{a+b \sec (c+d x)}} \, dx \\ & = \frac {3 a (a+b \sec (c+d x))^{2/3} \tan (c+d x)}{8 d}+\frac {3 (a+b \sec (c+d x))^{5/3} \tan (c+d x)}{8 d}-\frac {\left (a \left (a^2-b^2\right )\right ) \int \frac {\sec (c+d x)}{\sqrt [3]{a+b \sec (c+d x)}} \, dx}{4 b}+\frac {\left (2 a^2+5 b^2\right ) \int \sec (c+d x) (a+b \sec (c+d x))^{2/3} \, dx}{8 b} \\ & = \frac {3 a (a+b \sec (c+d x))^{2/3} \tan (c+d x)}{8 d}+\frac {3 (a+b \sec (c+d x))^{5/3} \tan (c+d x)}{8 d}+\frac {\left (a \left (a^2-b^2\right ) \tan (c+d x)\right ) \text {Subst}\left (\int \frac {1}{\sqrt {1-x} \sqrt {1+x} \sqrt [3]{a+b x}} \, dx,x,\sec (c+d x)\right )}{4 b d \sqrt {1-\sec (c+d x)} \sqrt {1+\sec (c+d x)}}-\frac {\left (\left (2 a^2+5 b^2\right ) \tan (c+d x)\right ) \text {Subst}\left (\int \frac {(a+b x)^{2/3}}{\sqrt {1-x} \sqrt {1+x}} \, dx,x,\sec (c+d x)\right )}{8 b d \sqrt {1-\sec (c+d x)} \sqrt {1+\sec (c+d x)}} \\ & = \frac {3 a (a+b \sec (c+d x))^{2/3} \tan (c+d x)}{8 d}+\frac {3 (a+b \sec (c+d x))^{5/3} \tan (c+d x)}{8 d}-\frac {\left (\left (2 a^2+5 b^2\right ) (a+b \sec (c+d x))^{2/3} \tan (c+d x)\right ) \text {Subst}\left (\int \frac {\left (-\frac {a}{-a-b}-\frac {b x}{-a-b}\right )^{2/3}}{\sqrt {1-x} \sqrt {1+x}} \, dx,x,\sec (c+d x)\right )}{8 b d \sqrt {1-\sec (c+d x)} \sqrt {1+\sec (c+d x)} \left (-\frac {a+b \sec (c+d x)}{-a-b}\right )^{2/3}}+\frac {\left (a \left (a^2-b^2\right ) \sqrt [3]{-\frac {a+b \sec (c+d x)}{-a-b}} \tan (c+d x)\right ) \text {Subst}\left (\int \frac {1}{\sqrt {1-x} \sqrt {1+x} \sqrt [3]{-\frac {a}{-a-b}-\frac {b x}{-a-b}}} \, dx,x,\sec (c+d x)\right )}{4 b d \sqrt {1-\sec (c+d x)} \sqrt {1+\sec (c+d x)} \sqrt [3]{a+b \sec (c+d x)}} \\ & = \frac {3 a (a+b \sec (c+d x))^{2/3} \tan (c+d x)}{8 d}+\frac {3 (a+b \sec (c+d x))^{5/3} \tan (c+d x)}{8 d}+\frac {\left (2 a^2+5 b^2\right ) \operatorname {AppellF1}\left (\frac {1}{2},\frac {1}{2},-\frac {2}{3},\frac {3}{2},\frac {1}{2} (1-\sec (c+d x)),\frac {b (1-\sec (c+d x))}{a+b}\right ) (a+b \sec (c+d x))^{2/3} \tan (c+d x)}{4 \sqrt {2} b d \sqrt {1+\sec (c+d x)} \left (\frac {a+b \sec (c+d x)}{a+b}\right )^{2/3}}-\frac {a \left (a^2-b^2\right ) \operatorname {AppellF1}\left (\frac {1}{2},\frac {1}{2},\frac {1}{3},\frac {3}{2},\frac {1}{2} (1-\sec (c+d x)),\frac {b (1-\sec (c+d x))}{a+b}\right ) \sqrt [3]{\frac {a+b \sec (c+d x)}{a+b}} \tan (c+d x)}{2 \sqrt {2} b d \sqrt {1+\sec (c+d x)} \sqrt [3]{a+b \sec (c+d x)}} \\ \end{align*}
Leaf count is larger than twice the leaf count of optimal. \(7809\) vs. \(2(299)=598\).
Time = 45.02 (sec) , antiderivative size = 7809, normalized size of antiderivative = 26.12 \[ \int \sec ^2(c+d x) (a+b \sec (c+d x))^{5/3} \, dx=\text {Result too large to show} \]
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\[\int \sec \left (d x +c \right )^{2} \left (a +b \sec \left (d x +c \right )\right )^{\frac {5}{3}}d x\]
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\[ \int \sec ^2(c+d x) (a+b \sec (c+d x))^{5/3} \, dx=\int { {\left (b \sec \left (d x + c\right ) + a\right )}^{\frac {5}{3}} \sec \left (d x + c\right )^{2} \,d x } \]
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\[ \int \sec ^2(c+d x) (a+b \sec (c+d x))^{5/3} \, dx=\int \left (a + b \sec {\left (c + d x \right )}\right )^{\frac {5}{3}} \sec ^{2}{\left (c + d x \right )}\, dx \]
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\[ \int \sec ^2(c+d x) (a+b \sec (c+d x))^{5/3} \, dx=\int { {\left (b \sec \left (d x + c\right ) + a\right )}^{\frac {5}{3}} \sec \left (d x + c\right )^{2} \,d x } \]
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\[ \int \sec ^2(c+d x) (a+b \sec (c+d x))^{5/3} \, dx=\int { {\left (b \sec \left (d x + c\right ) + a\right )}^{\frac {5}{3}} \sec \left (d x + c\right )^{2} \,d x } \]
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Timed out. \[ \int \sec ^2(c+d x) (a+b \sec (c+d x))^{5/3} \, dx=\int \frac {{\left (a+\frac {b}{\cos \left (c+d\,x\right )}\right )}^{5/3}}{{\cos \left (c+d\,x\right )}^2} \,d x \]
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