Optimal. Leaf size=109 \[ \frac {2 x \sqrt {1+e^{2 i a} \left (c x^n\right )^{2 i b}} \, _2F_1\left (\frac {1}{2},\frac {1}{4} \left (1-\frac {2 i}{b n}\right );\frac {1}{4} \left (5-\frac {2 i}{b n}\right );-e^{2 i a} \left (c x^n\right )^{2 i b}\right ) \sqrt {\sec \left (a+b \log \left (c x^n\right )\right )}}{2+i b n} \]
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Rubi [A]
time = 0.05, antiderivative size = 109, normalized size of antiderivative = 1.00, number of steps
used = 3, number of rules used = 3, integrand size = 15, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.200, Rules used = {4599, 4603,
371} \begin {gather*} \frac {2 x \sqrt {1+e^{2 i a} \left (c x^n\right )^{2 i b}} \, _2F_1\left (\frac {1}{2},\frac {1}{4} \left (1-\frac {2 i}{b n}\right );\frac {1}{4} \left (5-\frac {2 i}{b n}\right );-e^{2 i a} \left (c x^n\right )^{2 i b}\right ) \sqrt {\sec \left (a+b \log \left (c x^n\right )\right )}}{2+i b n} \end {gather*}
Antiderivative was successfully verified.
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Rule 371
Rule 4599
Rule 4603
Rubi steps
\begin {align*} \int \sqrt {\sec \left (a+b \log \left (c x^n\right )\right )} \, dx &=\frac {\left (x \left (c x^n\right )^{-1/n}\right ) \text {Subst}\left (\int x^{-1+\frac {1}{n}} \sqrt {\sec (a+b \log (x))} \, dx,x,c x^n\right )}{n}\\ &=\frac {\left (x \left (c x^n\right )^{-\frac {i b}{2}-\frac {1}{n}} \sqrt {1+e^{2 i a} \left (c x^n\right )^{2 i b}} \sqrt {\sec \left (a+b \log \left (c x^n\right )\right )}\right ) \text {Subst}\left (\int \frac {x^{-1+\frac {i b}{2}+\frac {1}{n}}}{\sqrt {1+e^{2 i a} x^{2 i b}}} \, dx,x,c x^n\right )}{n}\\ &=\frac {2 x \sqrt {1+e^{2 i a} \left (c x^n\right )^{2 i b}} \, _2F_1\left (\frac {1}{2},\frac {1}{4} \left (1-\frac {2 i}{b n}\right );\frac {1}{4} \left (5-\frac {2 i}{b n}\right );-e^{2 i a} \left (c x^n\right )^{2 i b}\right ) \sqrt {\sec \left (a+b \log \left (c x^n\right )\right )}}{2+i b n}\\ \end {align*}
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Mathematica [A]
time = 0.36, size = 99, normalized size = 0.91 \begin {gather*} -\frac {2 i \left (1+e^{2 i \left (a+b \log \left (c x^n\right )\right )}\right ) x \, _2F_1\left (1,\frac {3}{4}-\frac {i}{2 b n};\frac {5}{4}-\frac {i}{2 b n};-e^{2 i \left (a+b \log \left (c x^n\right )\right )}\right ) \sqrt {\sec \left (a+b \log \left (c x^n\right )\right )}}{-2 i+b n} \end {gather*}
Antiderivative was successfully verified.
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Maple [F]
time = 0.11, size = 0, normalized size = 0.00 \[\int \sqrt {\sec }\left (a +b \ln \left (c \,x^{n}\right )\right )\, dx\]
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [F]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {Failed to integrate} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [F(-2)]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {Exception raised: TypeError} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [F]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \int \sqrt {\sec {\left (a + b \log {\left (c x^{n} \right )} \right )}}\, dx \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [F]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {could not integrate} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [F]
time = 0.00, size = -1, normalized size = -0.01 \begin {gather*} \int \sqrt {\frac {1}{\cos \left (a+b\,\ln \left (c\,x^n\right )\right )}} \,d x \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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