Optimal. Leaf size=69 \[ -\frac {10 i F\left (\left .\frac {1}{2} i (a+b x)\right |2\right )}{21 b}+\frac {2 \sinh (a+b x) \cosh ^{\frac {5}{2}}(a+b x)}{7 b}+\frac {10 \sinh (a+b x) \sqrt {\cosh (a+b x)}}{21 b} \]
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Rubi [A] time = 0.03, antiderivative size = 69, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 2, integrand size = 10, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.200, Rules used = {2635, 2641} \[ -\frac {10 i F\left (\left .\frac {1}{2} i (a+b x)\right |2\right )}{21 b}+\frac {2 \sinh (a+b x) \cosh ^{\frac {5}{2}}(a+b x)}{7 b}+\frac {10 \sinh (a+b x) \sqrt {\cosh (a+b x)}}{21 b} \]
Antiderivative was successfully verified.
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Rule 2635
Rule 2641
Rubi steps
\begin {align*} \int \cosh ^{\frac {7}{2}}(a+b x) \, dx &=\frac {2 \cosh ^{\frac {5}{2}}(a+b x) \sinh (a+b x)}{7 b}+\frac {5}{7} \int \cosh ^{\frac {3}{2}}(a+b x) \, dx\\ &=\frac {10 \sqrt {\cosh (a+b x)} \sinh (a+b x)}{21 b}+\frac {2 \cosh ^{\frac {5}{2}}(a+b x) \sinh (a+b x)}{7 b}+\frac {5}{21} \int \frac {1}{\sqrt {\cosh (a+b x)}} \, dx\\ &=-\frac {10 i F\left (\left .\frac {1}{2} i (a+b x)\right |2\right )}{21 b}+\frac {10 \sqrt {\cosh (a+b x)} \sinh (a+b x)}{21 b}+\frac {2 \cosh ^{\frac {5}{2}}(a+b x) \sinh (a+b x)}{7 b}\\ \end {align*}
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Mathematica [A] time = 0.12, size = 55, normalized size = 0.80 \[ \frac {(23 \sinh (a+b x)+3 \sinh (3 (a+b x))) \sqrt {\cosh (a+b x)}-20 i F\left (\left .\frac {1}{2} i (a+b x)\right |2\right )}{42 b} \]
Antiderivative was successfully verified.
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fricas [F] time = 0.46, size = 0, normalized size = 0.00 \[ {\rm integral}\left (\cosh \left (b x + a\right )^{\frac {7}{2}}, x\right ) \]
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 \[ \int \cosh \left (b x + a\right )^{\frac {7}{2}}\,{d x} \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [B] time = 0.35, size = 201, normalized size = 2.91 \[ \frac {2 \sqrt {\left (2 \left (\cosh ^{2}\left (\frac {b x}{2}+\frac {a}{2}\right )\right )-1\right ) \left (\sinh ^{2}\left (\frac {b x}{2}+\frac {a}{2}\right )\right )}\, \left (48 \left (\cosh ^{9}\left (\frac {b x}{2}+\frac {a}{2}\right )\right )-120 \left (\cosh ^{7}\left (\frac {b x}{2}+\frac {a}{2}\right )\right )+128 \left (\cosh ^{5}\left (\frac {b x}{2}+\frac {a}{2}\right )\right )-72 \left (\cosh ^{3}\left (\frac {b x}{2}+\frac {a}{2}\right )\right )+5 \sqrt {-\left (\sinh ^{2}\left (\frac {b x}{2}+\frac {a}{2}\right )\right )}\, \sqrt {-2 \left (\cosh ^{2}\left (\frac {b x}{2}+\frac {a}{2}\right )\right )+1}\, \EllipticF \left (\cosh \left (\frac {b x}{2}+\frac {a}{2}\right ), \sqrt {2}\right )+16 \cosh \left (\frac {b x}{2}+\frac {a}{2}\right )\right )}{21 \sqrt {2 \left (\sinh ^{4}\left (\frac {b x}{2}+\frac {a}{2}\right )\right )+\sinh ^{2}\left (\frac {b x}{2}+\frac {a}{2}\right )}\, \sinh \left (\frac {b x}{2}+\frac {a}{2}\right ) \sqrt {2 \left (\cosh ^{2}\left (\frac {b x}{2}+\frac {a}{2}\right )\right )-1}\, b} \]
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 \[ \int \cosh \left (b x + a\right )^{\frac {7}{2}}\,{d x} \]
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 \[ \int {\mathrm {cosh}\left (a+b\,x\right )}^{7/2} \,d x \]
Verification of antiderivative is not currently implemented for this CAS.
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sympy [F(-1)] time = 0.00, size = 0, normalized size = 0.00 \[ \text {Timed out} \]
Verification of antiderivative is not currently implemented for this CAS.
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