Optimal. Leaf size=79 \[ -\frac {2 a \cos ^2\left (\frac {x}{2}\right ) \sqrt {a+a \cos (x)}}{x}-\frac {3}{4} a \sqrt {a+a \cos (x)} \sec \left (\frac {x}{2}\right ) \text {Si}\left (\frac {x}{2}\right )-\frac {3}{4} a \sqrt {a+a \cos (x)} \sec \left (\frac {x}{2}\right ) \text {Si}\left (\frac {3 x}{2}\right ) \]
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Rubi [A]
time = 0.09, antiderivative size = 79, normalized size of antiderivative = 1.00, number of steps
used = 5, number of rules used = 3, integrand size = 14, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.214, Rules used = {3400, 3394,
3380} \begin {gather*} -\frac {3}{4} a \text {Si}\left (\frac {x}{2}\right ) \sec \left (\frac {x}{2}\right ) \sqrt {a \cos (x)+a}-\frac {3}{4} a \text {Si}\left (\frac {3 x}{2}\right ) \sec \left (\frac {x}{2}\right ) \sqrt {a \cos (x)+a}-\frac {2 a \cos ^2\left (\frac {x}{2}\right ) \sqrt {a \cos (x)+a}}{x} \end {gather*}
Antiderivative was successfully verified.
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Rule 3380
Rule 3394
Rule 3400
Rubi steps
\begin {align*} \int \frac {(a+a \cos (x))^{3/2}}{x^2} \, dx &=\left (2 a \sqrt {a+a \cos (x)} \sec \left (\frac {x}{2}\right )\right ) \int \frac {\cos ^3\left (\frac {x}{2}\right )}{x^2} \, dx\\ &=-\frac {2 a \cos ^2\left (\frac {x}{2}\right ) \sqrt {a+a \cos (x)}}{x}+\left (3 a \sqrt {a+a \cos (x)} \sec \left (\frac {x}{2}\right )\right ) \int \left (-\frac {\sin \left (\frac {x}{2}\right )}{4 x}-\frac {\sin \left (\frac {3 x}{2}\right )}{4 x}\right ) \, dx\\ &=-\frac {2 a \cos ^2\left (\frac {x}{2}\right ) \sqrt {a+a \cos (x)}}{x}-\frac {1}{4} \left (3 a \sqrt {a+a \cos (x)} \sec \left (\frac {x}{2}\right )\right ) \int \frac {\sin \left (\frac {x}{2}\right )}{x} \, dx-\frac {1}{4} \left (3 a \sqrt {a+a \cos (x)} \sec \left (\frac {x}{2}\right )\right ) \int \frac {\sin \left (\frac {3 x}{2}\right )}{x} \, dx\\ &=-\frac {2 a \cos ^2\left (\frac {x}{2}\right ) \sqrt {a+a \cos (x)}}{x}-\frac {3}{4} a \sqrt {a+a \cos (x)} \sec \left (\frac {x}{2}\right ) \text {Si}\left (\frac {x}{2}\right )-\frac {3}{4} a \sqrt {a+a \cos (x)} \sec \left (\frac {x}{2}\right ) \text {Si}\left (\frac {3 x}{2}\right )\\ \end {align*}
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Mathematica [A]
time = 0.06, size = 53, normalized size = 0.67 \begin {gather*} -\frac {a \sqrt {a (1+\cos (x))} \sec \left (\frac {x}{2}\right ) \left (8 \cos ^3\left (\frac {x}{2}\right )+3 x \text {Si}\left (\frac {x}{2}\right )+3 x \text {Si}\left (\frac {3 x}{2}\right )\right )}{4 x} \end {gather*}
Antiderivative was successfully verified.
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Maple [F]
time = 0.03, size = 0, normalized size = 0.00 \[\int \frac {\left (a +a \cos \left (x \right )\right )^{\frac {3}{2}}}{x^{2}}\, dx\]
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [C] Result contains complex when optimal does not.
time = 0.59, size = 37, normalized size = 0.47 \begin {gather*} \frac {3}{8} \, \sqrt {2} a^{\frac {3}{2}} {\left (-i \, \Gamma \left (-1, \frac {3}{2} i \, x\right ) - i \, \Gamma \left (-1, \frac {1}{2} i \, x\right ) + i \, \Gamma \left (-1, -\frac {1}{2} i \, x\right ) + i \, \Gamma \left (-1, -\frac {3}{2} i \, x\right )\right )} \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 \frac {\left (a \left (\cos {\left (x \right )} + 1\right )\right )^{\frac {3}{2}}}{x^{2}}\, dx \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A]
time = 0.48, size = 62, normalized size = 0.78 \begin {gather*} -\frac {\sqrt {2} {\left (3 \, a x \mathrm {sgn}\left (\cos \left (\frac {1}{2} \, x\right )\right ) \operatorname {Si}\left (\frac {3}{2} \, x\right ) + 3 \, a x \mathrm {sgn}\left (\cos \left (\frac {1}{2} \, x\right )\right ) \operatorname {Si}\left (\frac {1}{2} \, x\right ) + 2 \, a \cos \left (\frac {3}{2} \, x\right ) \mathrm {sgn}\left (\cos \left (\frac {1}{2} \, x\right )\right ) + 6 \, a \cos \left (\frac {1}{2} \, x\right ) \mathrm {sgn}\left (\cos \left (\frac {1}{2} \, x\right )\right )\right )} \sqrt {a}}{4 \, x} \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 \frac {{\left (a+a\,\cos \left (x\right )\right )}^{3/2}}{x^2} \,d x \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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