Optimal. Leaf size=61 \[ -\frac {2 x}{35}-\frac {x^3}{105}+\frac {8 x^5}{175}-\frac {x^7}{49}-\frac {1}{5} \left (1-x^2\right )^{5/2} \cos ^{-1}(x)+\frac {1}{7} \left (1-x^2\right )^{7/2} \cos ^{-1}(x) \]
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Rubi [A]
time = 0.05, antiderivative size = 61, normalized size of antiderivative = 1.00, number of steps
used = 4, number of rules used = 5, integrand size = 17, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.294, Rules used = {272, 45, 4780,
12, 380} \begin {gather*} \frac {1}{7} \left (1-x^2\right )^{7/2} \text {ArcCos}(x)-\frac {1}{5} \left (1-x^2\right )^{5/2} \text {ArcCos}(x)-\frac {x^7}{49}+\frac {8 x^5}{175}-\frac {x^3}{105}-\frac {2 x}{35} \end {gather*}
Antiderivative was successfully verified.
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Rule 12
Rule 45
Rule 272
Rule 380
Rule 4780
Rubi steps
\begin {align*} \int x^3 \left (1-x^2\right )^{3/2} \cos ^{-1}(x) \, dx &=-\frac {1}{5} \left (1-x^2\right )^{5/2} \cos ^{-1}(x)+\frac {1}{7} \left (1-x^2\right )^{7/2} \cos ^{-1}(x)+\int \frac {1}{35} \left (-2-5 x^2\right ) \left (1-x^2\right )^2 \, dx\\ &=-\frac {1}{5} \left (1-x^2\right )^{5/2} \cos ^{-1}(x)+\frac {1}{7} \left (1-x^2\right )^{7/2} \cos ^{-1}(x)+\frac {1}{35} \int \left (-2-5 x^2\right ) \left (1-x^2\right )^2 \, dx\\ &=-\frac {1}{5} \left (1-x^2\right )^{5/2} \cos ^{-1}(x)+\frac {1}{7} \left (1-x^2\right )^{7/2} \cos ^{-1}(x)+\frac {1}{35} \int \left (-2-x^2+8 x^4-5 x^6\right ) \, dx\\ &=-\frac {2 x}{35}-\frac {x^3}{105}+\frac {8 x^5}{175}-\frac {x^7}{49}-\frac {1}{5} \left (1-x^2\right )^{5/2} \cos ^{-1}(x)+\frac {1}{7} \left (1-x^2\right )^{7/2} \cos ^{-1}(x)\\ \end {align*}
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Mathematica [A]
time = 0.03, size = 47, normalized size = 0.77 \begin {gather*} -\frac {x \left (210+35 x^2-168 x^4+75 x^6\right )}{3675}-\frac {1}{35} \left (1-x^2\right )^{5/2} \left (2+5 x^2\right ) \cos ^{-1}(x) \end {gather*}
Antiderivative was successfully verified.
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Maple [C] Result contains complex when optimal does not.
time = 0.31, size = 286, normalized size = 4.69
method | result | size |
default | \(\frac {\left (i+7 \arccos \left (x \right )\right ) \left (64 i x^{7}-64 \sqrt {-x^{2}+1}\, x^{6}-112 i x^{5}+80 \sqrt {-x^{2}+1}\, x^{4}+56 i x^{3}-24 x^{2} \sqrt {-x^{2}+1}-7 i x +\sqrt {-x^{2}+1}\right )}{6272}+\frac {3 \left (\arccos \left (x \right )+i\right ) \left (i x -\sqrt {-x^{2}+1}\right )}{128}-\frac {3 \left (\arccos \left (x \right )-i\right ) \left (i x +\sqrt {-x^{2}+1}\right )}{128}+\frac {\left (-i+3 \arccos \left (x \right )\right ) \left (4 i x^{3}+4 x^{2} \sqrt {-x^{2}+1}-3 i x -\sqrt {-x^{2}+1}\right )}{384}-\frac {3 \cos \left (6 \arccos \left (x \right )\right ) \left (2 i+35 \arccos \left (x \right )\right ) \left (i x +\sqrt {-x^{2}+1}\right )}{39200}+\frac {\sin \left (6 \arccos \left (x \right )\right ) \left (37 i+35 \arccos \left (x \right )\right ) \left (-i \sqrt {-x^{2}+1}+x \right )}{78400}-\frac {\cos \left (4 \arccos \left (x \right )\right ) \left (7 i+15 \arccos \left (x \right )\right ) \left (i x +\sqrt {-x^{2}+1}\right )}{2400}+\frac {\sin \left (4 \arccos \left (x \right )\right ) \left (11 i+45 \arccos \left (x \right )\right ) \left (-i \sqrt {-x^{2}+1}+x \right )}{4800}\) | \(286\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A]
time = 1.27, size = 49, normalized size = 0.80 \begin {gather*} -\frac {1}{49} \, x^{7} + \frac {8}{175} \, x^{5} - \frac {1}{105} \, x^{3} - \frac {1}{35} \, {\left (5 \, {\left (-x^{2} + 1\right )}^{\frac {5}{2}} x^{2} + 2 \, {\left (-x^{2} + 1\right )}^{\frac {5}{2}}\right )} \arccos \left (x\right ) - \frac {2}{35} \, x \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 0.48, size = 47, normalized size = 0.77 \begin {gather*} -\frac {1}{49} \, x^{7} + \frac {8}{175} \, x^{5} - \frac {1}{105} \, x^{3} - \frac {1}{35} \, {\left (5 \, x^{6} - 8 \, x^{4} + x^{2} + 2\right )} \sqrt {-x^{2} + 1} \arccos \left (x\right ) - \frac {2}{35} \, x \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A]
time = 8.60, size = 88, normalized size = 1.44 \begin {gather*} - \frac {x^{7}}{49} - \frac {x^{6} \sqrt {1 - x^{2}} \operatorname {acos}{\left (x \right )}}{7} + \frac {8 x^{5}}{175} + \frac {8 x^{4} \sqrt {1 - x^{2}} \operatorname {acos}{\left (x \right )}}{35} - \frac {x^{3}}{105} - \frac {x^{2} \sqrt {1 - x^{2}} \operatorname {acos}{\left (x \right )}}{35} - \frac {2 x}{35} - \frac {2 \sqrt {1 - x^{2}} \operatorname {acos}{\left (x \right )}}{35} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A]
time = 0.83, size = 60, normalized size = 0.98 \begin {gather*} -\frac {1}{49} \, x^{7} + \frac {8}{175} \, x^{5} - \frac {1}{105} \, x^{3} - \frac {1}{35} \, {\left (5 \, {\left (x^{2} - 1\right )}^{3} \sqrt {-x^{2} + 1} + 7 \, {\left (x^{2} - 1\right )}^{2} \sqrt {-x^{2} + 1}\right )} \arccos \left (x\right ) - \frac {2}{35} \, 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 = -0.02 \begin {gather*} \int x^3\,\mathrm {acos}\left (x\right )\,{\left (1-x^2\right )}^{3/2} \,d x \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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