Optimal. Leaf size=191 \[ \frac {1}{8} a^4 c^2 x^8 \tan ^{-1}(a x)^2-\frac {c^2 \tan ^{-1}(a x)^2}{24 a^4}-\frac {1}{28} a^3 c^2 x^7 \tan ^{-1}(a x)+\frac {c^2 x \tan ^{-1}(a x)}{12 a^3}+\frac {1}{168} a^2 c^2 x^6+\frac {1}{3} a^2 c^2 x^6 \tan ^{-1}(a x)^2-\frac {5 c^2 x^2}{504 a^2}-\frac {2 c^2 \log \left (a^2 x^2+1\right )}{63 a^4}-\frac {1}{12} a c^2 x^5 \tan ^{-1}(a x)+\frac {1}{4} c^2 x^4 \tan ^{-1}(a x)^2-\frac {c^2 x^3 \tan ^{-1}(a x)}{36 a}+\frac {c^2 x^4}{84} \]
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Rubi [A] time = 0.79, antiderivative size = 191, normalized size of antiderivative = 1.00, number of steps used = 47, number of rules used = 8, integrand size = 22, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.364, Rules used = {4948, 4852, 4916, 266, 43, 4846, 260, 4884} \[ \frac {1}{168} a^2 c^2 x^6-\frac {5 c^2 x^2}{504 a^2}-\frac {2 c^2 \log \left (a^2 x^2+1\right )}{63 a^4}+\frac {1}{8} a^4 c^2 x^8 \tan ^{-1}(a x)^2-\frac {1}{28} a^3 c^2 x^7 \tan ^{-1}(a x)+\frac {1}{3} a^2 c^2 x^6 \tan ^{-1}(a x)^2+\frac {c^2 x \tan ^{-1}(a x)}{12 a^3}-\frac {c^2 \tan ^{-1}(a x)^2}{24 a^4}-\frac {1}{12} a c^2 x^5 \tan ^{-1}(a x)+\frac {1}{4} c^2 x^4 \tan ^{-1}(a x)^2-\frac {c^2 x^3 \tan ^{-1}(a x)}{36 a}+\frac {c^2 x^4}{84} \]
Antiderivative was successfully verified.
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Rule 43
Rule 260
Rule 266
Rule 4846
Rule 4852
Rule 4884
Rule 4916
Rule 4948
Rubi steps
\begin {align*} \int x^3 \left (c+a^2 c x^2\right )^2 \tan ^{-1}(a x)^2 \, dx &=\int \left (c^2 x^3 \tan ^{-1}(a x)^2+2 a^2 c^2 x^5 \tan ^{-1}(a x)^2+a^4 c^2 x^7 \tan ^{-1}(a x)^2\right ) \, dx\\ &=c^2 \int x^3 \tan ^{-1}(a x)^2 \, dx+\left (2 a^2 c^2\right ) \int x^5 \tan ^{-1}(a x)^2 \, dx+\left (a^4 c^2\right ) \int x^7 \tan ^{-1}(a x)^2 \, dx\\ &=\frac {1}{4} c^2 x^4 \tan ^{-1}(a x)^2+\frac {1}{3} a^2 c^2 x^6 \tan ^{-1}(a x)^2+\frac {1}{8} a^4 c^2 x^8 \tan ^{-1}(a x)^2-\frac {1}{2} \left (a c^2\right ) \int \frac {x^4 \tan ^{-1}(a x)}{1+a^2 x^2} \, dx-\frac {1}{3} \left (2 a^3 c^2\right ) \int \frac {x^6 \tan ^{-1}(a x)}{1+a^2 x^2} \, dx-\frac {1}{4} \left (a^5 c^2\right ) \int \frac {x^8 \tan ^{-1}(a x)}{1+a^2 x^2} \, dx\\ &=\frac {1}{4} c^2 x^4 \tan ^{-1}(a x)^2+\frac {1}{3} a^2 c^2 x^6 \tan ^{-1}(a x)^2+\frac {1}{8} a^4 c^2 x^8 \tan ^{-1}(a x)^2-\frac {c^2 \int x^2 \tan ^{-1}(a x) \, dx}{2 a}+\frac {c^2 \int \frac {x^2 \tan ^{-1}(a x)}{1+a^2 x^2} \, dx}{2 a}-\frac {1}{3} \left (2 a c^2\right ) \int x^4 \tan ^{-1}(a x) \, dx+\frac {1}{3} \left (2 a c^2\right ) \int \frac {x^4 \tan ^{-1}(a x)}{1+a^2 x^2} \, dx-\frac {1}{4} \left (a^3 c^2\right ) \int x^6 \tan ^{-1}(a x) \, dx+\frac {1}{4} \left (a^3 c^2\right ) \int \frac {x^6 \tan ^{-1}(a x)}{1+a^2 x^2} \, dx\\ &=-\frac {c^2 x^3 \tan ^{-1}(a x)}{6 a}-\frac {2}{15} a c^2 x^5 \tan ^{-1}(a x)-\frac {1}{28} a^3 c^2 x^7 \tan ^{-1}(a x)+\frac {1}{4} c^2 x^4 \tan ^{-1}(a x)^2+\frac {1}{3} a^2 c^2 x^6 \tan ^{-1}(a x)^2+\frac {1}{8} a^4 c^2 x^8 \tan ^{-1}(a x)^2+\frac {1}{6} c^2 \int \frac {x^3}{1+a^2 x^2} \, dx+\frac {c^2 \int \tan ^{-1}(a x) \, dx}{2 a^3}-\frac {c^2 \int \frac {\tan ^{-1}(a x)}{1+a^2 x^2} \, dx}{2 a^3}+\frac {\left (2 c^2\right ) \int x^2 \tan ^{-1}(a x) \, dx}{3 a}-\frac {\left (2 c^2\right ) \int \frac {x^2 \tan ^{-1}(a x)}{1+a^2 x^2} \, dx}{3 a}+\frac {1}{4} \left (a c^2\right ) \int x^4 \tan ^{-1}(a x) \, dx-\frac {1}{4} \left (a c^2\right ) \int \frac {x^4 \tan ^{-1}(a x)}{1+a^2 x^2} \, dx+\frac {1}{15} \left (2 a^2 c^2\right ) \int \frac {x^5}{1+a^2 x^2} \, dx+\frac {1}{28} \left (a^4 c^2\right ) \int \frac {x^7}{1+a^2 x^2} \, dx\\ &=\frac {c^2 x \tan ^{-1}(a x)}{2 a^3}+\frac {c^2 x^3 \tan ^{-1}(a x)}{18 a}-\frac {1}{12} a c^2 x^5 \tan ^{-1}(a x)-\frac {1}{28} a^3 c^2 x^7 \tan ^{-1}(a x)-\frac {c^2 \tan ^{-1}(a x)^2}{4 a^4}+\frac {1}{4} c^2 x^4 \tan ^{-1}(a x)^2+\frac {1}{3} a^2 c^2 x^6 \tan ^{-1}(a x)^2+\frac {1}{8} a^4 c^2 x^8 \tan ^{-1}(a x)^2+\frac {1}{12} c^2 \operatorname {Subst}\left (\int \frac {x}{1+a^2 x} \, dx,x,x^2\right )-\frac {1}{9} \left (2 c^2\right ) \int \frac {x^3}{1+a^2 x^2} \, dx-\frac {\left (2 c^2\right ) \int \tan ^{-1}(a x) \, dx}{3 a^3}+\frac {\left (2 c^2\right ) \int \frac {\tan ^{-1}(a x)}{1+a^2 x^2} \, dx}{3 a^3}-\frac {c^2 \int \frac {x}{1+a^2 x^2} \, dx}{2 a^2}-\frac {c^2 \int x^2 \tan ^{-1}(a x) \, dx}{4 a}+\frac {c^2 \int \frac {x^2 \tan ^{-1}(a x)}{1+a^2 x^2} \, dx}{4 a}-\frac {1}{20} \left (a^2 c^2\right ) \int \frac {x^5}{1+a^2 x^2} \, dx+\frac {1}{15} \left (a^2 c^2\right ) \operatorname {Subst}\left (\int \frac {x^2}{1+a^2 x} \, dx,x,x^2\right )+\frac {1}{56} \left (a^4 c^2\right ) \operatorname {Subst}\left (\int \frac {x^3}{1+a^2 x} \, dx,x,x^2\right )\\ &=-\frac {c^2 x \tan ^{-1}(a x)}{6 a^3}-\frac {c^2 x^3 \tan ^{-1}(a x)}{36 a}-\frac {1}{12} a c^2 x^5 \tan ^{-1}(a x)-\frac {1}{28} a^3 c^2 x^7 \tan ^{-1}(a x)+\frac {c^2 \tan ^{-1}(a x)^2}{12 a^4}+\frac {1}{4} c^2 x^4 \tan ^{-1}(a x)^2+\frac {1}{3} a^2 c^2 x^6 \tan ^{-1}(a x)^2+\frac {1}{8} a^4 c^2 x^8 \tan ^{-1}(a x)^2-\frac {c^2 \log \left (1+a^2 x^2\right )}{4 a^4}+\frac {1}{12} c^2 \int \frac {x^3}{1+a^2 x^2} \, dx+\frac {1}{12} c^2 \operatorname {Subst}\left (\int \left (\frac {1}{a^2}-\frac {1}{a^2 \left (1+a^2 x\right )}\right ) \, dx,x,x^2\right )-\frac {1}{9} c^2 \operatorname {Subst}\left (\int \frac {x}{1+a^2 x} \, dx,x,x^2\right )+\frac {c^2 \int \tan ^{-1}(a x) \, dx}{4 a^3}-\frac {c^2 \int \frac {\tan ^{-1}(a x)}{1+a^2 x^2} \, dx}{4 a^3}+\frac {\left (2 c^2\right ) \int \frac {x}{1+a^2 x^2} \, dx}{3 a^2}-\frac {1}{40} \left (a^2 c^2\right ) \operatorname {Subst}\left (\int \frac {x^2}{1+a^2 x} \, dx,x,x^2\right )+\frac {1}{15} \left (a^2 c^2\right ) \operatorname {Subst}\left (\int \left (-\frac {1}{a^4}+\frac {x}{a^2}+\frac {1}{a^4 \left (1+a^2 x\right )}\right ) \, dx,x,x^2\right )+\frac {1}{56} \left (a^4 c^2\right ) \operatorname {Subst}\left (\int \left (\frac {1}{a^6}-\frac {x}{a^4}+\frac {x^2}{a^2}-\frac {1}{a^6 \left (1+a^2 x\right )}\right ) \, dx,x,x^2\right )\\ &=\frac {29 c^2 x^2}{840 a^2}+\frac {41 c^2 x^4}{1680}+\frac {1}{168} a^2 c^2 x^6+\frac {c^2 x \tan ^{-1}(a x)}{12 a^3}-\frac {c^2 x^3 \tan ^{-1}(a x)}{36 a}-\frac {1}{12} a c^2 x^5 \tan ^{-1}(a x)-\frac {1}{28} a^3 c^2 x^7 \tan ^{-1}(a x)-\frac {c^2 \tan ^{-1}(a x)^2}{24 a^4}+\frac {1}{4} c^2 x^4 \tan ^{-1}(a x)^2+\frac {1}{3} a^2 c^2 x^6 \tan ^{-1}(a x)^2+\frac {1}{8} a^4 c^2 x^8 \tan ^{-1}(a x)^2+\frac {41 c^2 \log \left (1+a^2 x^2\right )}{840 a^4}+\frac {1}{24} c^2 \operatorname {Subst}\left (\int \frac {x}{1+a^2 x} \, dx,x,x^2\right )-\frac {1}{9} c^2 \operatorname {Subst}\left (\int \left (\frac {1}{a^2}-\frac {1}{a^2 \left (1+a^2 x\right )}\right ) \, dx,x,x^2\right )-\frac {c^2 \int \frac {x}{1+a^2 x^2} \, dx}{4 a^2}-\frac {1}{40} \left (a^2 c^2\right ) \operatorname {Subst}\left (\int \left (-\frac {1}{a^4}+\frac {x}{a^2}+\frac {1}{a^4 \left (1+a^2 x\right )}\right ) \, dx,x,x^2\right )\\ &=-\frac {13 c^2 x^2}{252 a^2}+\frac {c^2 x^4}{84}+\frac {1}{168} a^2 c^2 x^6+\frac {c^2 x \tan ^{-1}(a x)}{12 a^3}-\frac {c^2 x^3 \tan ^{-1}(a x)}{36 a}-\frac {1}{12} a c^2 x^5 \tan ^{-1}(a x)-\frac {1}{28} a^3 c^2 x^7 \tan ^{-1}(a x)-\frac {c^2 \tan ^{-1}(a x)^2}{24 a^4}+\frac {1}{4} c^2 x^4 \tan ^{-1}(a x)^2+\frac {1}{3} a^2 c^2 x^6 \tan ^{-1}(a x)^2+\frac {1}{8} a^4 c^2 x^8 \tan ^{-1}(a x)^2+\frac {5 c^2 \log \left (1+a^2 x^2\right )}{504 a^4}+\frac {1}{24} c^2 \operatorname {Subst}\left (\int \left (\frac {1}{a^2}-\frac {1}{a^2 \left (1+a^2 x\right )}\right ) \, dx,x,x^2\right )\\ &=-\frac {5 c^2 x^2}{504 a^2}+\frac {c^2 x^4}{84}+\frac {1}{168} a^2 c^2 x^6+\frac {c^2 x \tan ^{-1}(a x)}{12 a^3}-\frac {c^2 x^3 \tan ^{-1}(a x)}{36 a}-\frac {1}{12} a c^2 x^5 \tan ^{-1}(a x)-\frac {1}{28} a^3 c^2 x^7 \tan ^{-1}(a x)-\frac {c^2 \tan ^{-1}(a x)^2}{24 a^4}+\frac {1}{4} c^2 x^4 \tan ^{-1}(a x)^2+\frac {1}{3} a^2 c^2 x^6 \tan ^{-1}(a x)^2+\frac {1}{8} a^4 c^2 x^8 \tan ^{-1}(a x)^2-\frac {2 c^2 \log \left (1+a^2 x^2\right )}{63 a^4}\\ \end {align*}
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Mathematica [A] time = 0.08, size = 110, normalized size = 0.58 \[ \frac {c^2 \left (3 a^6 x^6+6 a^4 x^4-5 a^2 x^2-16 \log \left (a^2 x^2+1\right )+21 \left (a^2 x^2+1\right )^3 \left (3 a^2 x^2-1\right ) \tan ^{-1}(a x)^2-2 a x \left (9 a^6 x^6+21 a^4 x^4+7 a^2 x^2-21\right ) \tan ^{-1}(a x)\right )}{504 a^4} \]
Antiderivative was successfully verified.
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fricas [A] time = 0.63, size = 148, normalized size = 0.77 \[ \frac {3 \, a^{6} c^{2} x^{6} + 6 \, a^{4} c^{2} x^{4} - 5 \, a^{2} c^{2} x^{2} + 21 \, {\left (3 \, a^{8} c^{2} x^{8} + 8 \, a^{6} c^{2} x^{6} + 6 \, a^{4} c^{2} x^{4} - c^{2}\right )} \arctan \left (a x\right )^{2} - 16 \, c^{2} \log \left (a^{2} x^{2} + 1\right ) - 2 \, {\left (9 \, a^{7} c^{2} x^{7} + 21 \, a^{5} c^{2} x^{5} + 7 \, a^{3} c^{2} x^{3} - 21 \, a c^{2} x\right )} \arctan \left (a x\right )}{504 \, a^{4}} \]
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 \[ \mathit {sage}_{0} x \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [A] time = 0.04, size = 168, normalized size = 0.88 \[ -\frac {5 c^{2} x^{2}}{504 a^{2}}+\frac {c^{2} x^{4}}{84}+\frac {a^{2} c^{2} x^{6}}{168}+\frac {c^{2} x \arctan \left (a x \right )}{12 a^{3}}-\frac {c^{2} x^{3} \arctan \left (a x \right )}{36 a}-\frac {a \,c^{2} x^{5} \arctan \left (a x \right )}{12}-\frac {a^{3} c^{2} x^{7} \arctan \left (a x \right )}{28}-\frac {c^{2} \arctan \left (a x \right )^{2}}{24 a^{4}}+\frac {c^{2} x^{4} \arctan \left (a x \right )^{2}}{4}+\frac {a^{2} c^{2} x^{6} \arctan \left (a x \right )^{2}}{3}+\frac {a^{4} c^{2} x^{8} \arctan \left (a x \right )^{2}}{8}-\frac {2 c^{2} \ln \left (a^{2} x^{2}+1\right )}{63 a^{4}} \]
Verification of antiderivative is not currently implemented for this CAS.
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maxima [A] time = 0.43, size = 169, normalized size = 0.88 \[ -\frac {1}{252} \, a {\left (\frac {21 \, c^{2} \arctan \left (a x\right )}{a^{5}} + \frac {9 \, a^{6} c^{2} x^{7} + 21 \, a^{4} c^{2} x^{5} + 7 \, a^{2} c^{2} x^{3} - 21 \, c^{2} x}{a^{4}}\right )} \arctan \left (a x\right ) + \frac {1}{24} \, {\left (3 \, a^{4} c^{2} x^{8} + 8 \, a^{2} c^{2} x^{6} + 6 \, c^{2} x^{4}\right )} \arctan \left (a x\right )^{2} + \frac {3 \, a^{6} c^{2} x^{6} + 6 \, a^{4} c^{2} x^{4} - 5 \, a^{2} c^{2} x^{2} + 21 \, c^{2} \arctan \left (a x\right )^{2} - 16 \, c^{2} \log \left (a^{2} x^{2} + 1\right )}{504 \, a^{4}} \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 0.54, size = 145, normalized size = 0.76 \[ {\mathrm {atan}\left (a\,x\right )}^2\,\left (\frac {c^2\,x^4}{4}-\frac {c^2}{24\,a^4}+\frac {a^2\,c^2\,x^6}{3}+\frac {a^4\,c^2\,x^8}{8}\right )+\frac {c^2\,x^4}{84}-a^2\,\mathrm {atan}\left (a\,x\right )\,\left (\frac {a\,c^2\,x^7}{28}-\frac {c^2\,x}{12\,a^5}+\frac {c^2\,x^5}{12\,a}+\frac {c^2\,x^3}{36\,a^3}\right )-\frac {2\,c^2\,\ln \left (a^2\,x^2+1\right )}{63\,a^4}-\frac {5\,c^2\,x^2}{504\,a^2}+\frac {a^2\,c^2\,x^6}{168} \]
Verification of antiderivative is not currently implemented for this CAS.
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sympy [A] time = 3.29, size = 185, normalized size = 0.97 \[ \begin {cases} \frac {a^{4} c^{2} x^{8} \operatorname {atan}^{2}{\left (a x \right )}}{8} - \frac {a^{3} c^{2} x^{7} \operatorname {atan}{\left (a x \right )}}{28} + \frac {a^{2} c^{2} x^{6} \operatorname {atan}^{2}{\left (a x \right )}}{3} + \frac {a^{2} c^{2} x^{6}}{168} - \frac {a c^{2} x^{5} \operatorname {atan}{\left (a x \right )}}{12} + \frac {c^{2} x^{4} \operatorname {atan}^{2}{\left (a x \right )}}{4} + \frac {c^{2} x^{4}}{84} - \frac {c^{2} x^{3} \operatorname {atan}{\left (a x \right )}}{36 a} - \frac {5 c^{2} x^{2}}{504 a^{2}} + \frac {c^{2} x \operatorname {atan}{\left (a x \right )}}{12 a^{3}} - \frac {2 c^{2} \log {\left (x^{2} + \frac {1}{a^{2}} \right )}}{63 a^{4}} - \frac {c^{2} \operatorname {atan}^{2}{\left (a x \right )}}{24 a^{4}} & \text {for}\: a \neq 0 \\0 & \text {otherwise} \end {cases} \]
Verification of antiderivative is not currently implemented for this CAS.
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