Optimal. Leaf size=109 \[ \frac {\left (10 a^2 c-3 d\right ) d x^2}{30 a^3}+\frac {d^2 x^4}{20 a}+c^2 x \cot ^{-1}(a x)+\frac {2}{3} c d x^3 \cot ^{-1}(a x)+\frac {1}{5} d^2 x^5 \cot ^{-1}(a x)+\frac {\left (15 a^4 c^2-10 a^2 c d+3 d^2\right ) \log \left (1+a^2 x^2\right )}{30 a^5} \]
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Rubi [A]
time = 0.09, antiderivative size = 109, normalized size of antiderivative = 1.00, number of steps
used = 5, number of rules used = 5, integrand size = 14, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.357, Rules used = {200, 5033,
1608, 1261, 712} \begin {gather*} \frac {d x^2 \left (10 a^2 c-3 d\right )}{30 a^3}+\frac {\left (15 a^4 c^2-10 a^2 c d+3 d^2\right ) \log \left (a^2 x^2+1\right )}{30 a^5}+c^2 x \cot ^{-1}(a x)+\frac {2}{3} c d x^3 \cot ^{-1}(a x)+\frac {1}{5} d^2 x^5 \cot ^{-1}(a x)+\frac {d^2 x^4}{20 a} \end {gather*}
Antiderivative was successfully verified.
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Rule 200
Rule 712
Rule 1261
Rule 1608
Rule 5033
Rubi steps
\begin {align*} \int \left (c+d x^2\right )^2 \cot ^{-1}(a x) \, dx &=c^2 x \cot ^{-1}(a x)+\frac {2}{3} c d x^3 \cot ^{-1}(a x)+\frac {1}{5} d^2 x^5 \cot ^{-1}(a x)+a \int \frac {c^2 x+\frac {2}{3} c d x^3+\frac {d^2 x^5}{5}}{1+a^2 x^2} \, dx\\ &=c^2 x \cot ^{-1}(a x)+\frac {2}{3} c d x^3 \cot ^{-1}(a x)+\frac {1}{5} d^2 x^5 \cot ^{-1}(a x)+a \int \frac {x \left (c^2+\frac {2}{3} c d x^2+\frac {d^2 x^4}{5}\right )}{1+a^2 x^2} \, dx\\ &=c^2 x \cot ^{-1}(a x)+\frac {2}{3} c d x^3 \cot ^{-1}(a x)+\frac {1}{5} d^2 x^5 \cot ^{-1}(a x)+\frac {1}{2} a \text {Subst}\left (\int \frac {c^2+\frac {2 c d x}{3}+\frac {d^2 x^2}{5}}{1+a^2 x} \, dx,x,x^2\right )\\ &=c^2 x \cot ^{-1}(a x)+\frac {2}{3} c d x^3 \cot ^{-1}(a x)+\frac {1}{5} d^2 x^5 \cot ^{-1}(a x)+\frac {1}{2} a \text {Subst}\left (\int \left (\frac {\left (10 a^2 c-3 d\right ) d}{15 a^4}+\frac {d^2 x}{5 a^2}+\frac {15 a^4 c^2-10 a^2 c d+3 d^2}{15 a^4 \left (1+a^2 x\right )}\right ) \, dx,x,x^2\right )\\ &=\frac {\left (10 a^2 c-3 d\right ) d x^2}{30 a^3}+\frac {d^2 x^4}{20 a}+c^2 x \cot ^{-1}(a x)+\frac {2}{3} c d x^3 \cot ^{-1}(a x)+\frac {1}{5} d^2 x^5 \cot ^{-1}(a x)+\frac {\left (15 a^4 c^2-10 a^2 c d+3 d^2\right ) \log \left (1+a^2 x^2\right )}{30 a^5}\\ \end {align*}
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Mathematica [A]
time = 0.03, size = 97, normalized size = 0.89 \begin {gather*} \frac {a^2 d x^2 \left (-6 d+a^2 \left (20 c+3 d x^2\right )\right )+4 a^5 x \left (15 c^2+10 c d x^2+3 d^2 x^4\right ) \cot ^{-1}(a x)+\left (30 a^4 c^2-20 a^2 c d+6 d^2\right ) \log \left (1+a^2 x^2\right )}{60 a^5} \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 0.12, size = 112, normalized size = 1.03
method | result | size |
derivativedivides | \(\frac {\mathrm {arccot}\left (a x \right ) c^{2} a x +\frac {2 a \,\mathrm {arccot}\left (a x \right ) c d \,x^{3}}{3}+\frac {a \,\mathrm {arccot}\left (a x \right ) d^{2} x^{5}}{5}+\frac {5 c \,a^{4} d \,x^{2}+\frac {3 d^{2} a^{4} x^{4}}{4}-\frac {3 a^{2} d^{2} x^{2}}{2}+\frac {\left (15 a^{4} c^{2}-10 a^{2} c d +3 d^{2}\right ) \ln \left (a^{2} x^{2}+1\right )}{2}}{15 a^{4}}}{a}\) | \(112\) |
default | \(\frac {\mathrm {arccot}\left (a x \right ) c^{2} a x +\frac {2 a \,\mathrm {arccot}\left (a x \right ) c d \,x^{3}}{3}+\frac {a \,\mathrm {arccot}\left (a x \right ) d^{2} x^{5}}{5}+\frac {5 c \,a^{4} d \,x^{2}+\frac {3 d^{2} a^{4} x^{4}}{4}-\frac {3 a^{2} d^{2} x^{2}}{2}+\frac {\left (15 a^{4} c^{2}-10 a^{2} c d +3 d^{2}\right ) \ln \left (a^{2} x^{2}+1\right )}{2}}{15 a^{4}}}{a}\) | \(112\) |
risch | \(\frac {i \left (3 d^{2} x^{5}+10 c d \,x^{3}+15 c^{2} x \right ) \ln \left (i a x +1\right )}{30}-\frac {i d^{2} x^{5} \ln \left (-i a x +1\right )}{10}+\frac {\pi \,d^{2} x^{5}}{10}-\frac {i c d \,x^{3} \ln \left (-i a x +1\right )}{3}+\frac {\pi c d \,x^{3}}{3}-\frac {i c^{2} x \ln \left (-i a x +1\right )}{2}+\frac {d^{2} x^{4}}{20 a}+\frac {\pi \,c^{2} x}{2}+\frac {c d \,x^{2}}{3 a}+\frac {\ln \left (-a^{2} x^{2}-1\right ) c^{2}}{2 a}-\frac {d^{2} x^{2}}{10 a^{3}}-\frac {\ln \left (-a^{2} x^{2}-1\right ) c d}{3 a^{3}}+\frac {\ln \left (-a^{2} x^{2}-1\right ) d^{2}}{10 a^{5}}\) | \(195\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A]
time = 0.27, size = 103, normalized size = 0.94 \begin {gather*} \frac {1}{60} \, a {\left (\frac {3 \, a^{2} d^{2} x^{4} + 2 \, {\left (10 \, a^{2} c d - 3 \, d^{2}\right )} x^{2}}{a^{4}} + \frac {2 \, {\left (15 \, a^{4} c^{2} - 10 \, a^{2} c d + 3 \, d^{2}\right )} \log \left (a^{2} x^{2} + 1\right )}{a^{6}}\right )} + \frac {1}{15} \, {\left (3 \, d^{2} x^{5} + 10 \, c d x^{3} + 15 \, c^{2} x\right )} \operatorname {arccot}\left (a x\right ) \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 2.61, size = 108, normalized size = 0.99 \begin {gather*} \frac {3 \, a^{4} d^{2} x^{4} + 2 \, {\left (10 \, a^{4} c d - 3 \, a^{2} d^{2}\right )} x^{2} + 4 \, {\left (3 \, a^{5} d^{2} x^{5} + 10 \, a^{5} c d x^{3} + 15 \, a^{5} c^{2} x\right )} \operatorname {arccot}\left (a x\right ) + 2 \, {\left (15 \, a^{4} c^{2} - 10 \, a^{2} c d + 3 \, d^{2}\right )} \log \left (a^{2} x^{2} + 1\right )}{60 \, a^{5}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A]
time = 0.33, size = 151, normalized size = 1.39 \begin {gather*} \begin {cases} c^{2} x \operatorname {acot}{\left (a x \right )} + \frac {2 c d x^{3} \operatorname {acot}{\left (a x \right )}}{3} + \frac {d^{2} x^{5} \operatorname {acot}{\left (a x \right )}}{5} + \frac {c^{2} \log {\left (x^{2} + \frac {1}{a^{2}} \right )}}{2 a} + \frac {c d x^{2}}{3 a} + \frac {d^{2} x^{4}}{20 a} - \frac {c d \log {\left (x^{2} + \frac {1}{a^{2}} \right )}}{3 a^{3}} - \frac {d^{2} x^{2}}{10 a^{3}} + \frac {d^{2} \log {\left (x^{2} + \frac {1}{a^{2}} \right )}}{10 a^{5}} & \text {for}\: a \neq 0 \\\frac {\pi \left (c^{2} x + \frac {2 c d x^{3}}{3} + \frac {d^{2} x^{5}}{5}\right )}{2} & \text {otherwise} \end {cases} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A]
time = 0.41, size = 171, normalized size = 1.57 \begin {gather*} \frac {1}{60} \, {\left (\frac {4 \, {\left (3 \, d^{2} + \frac {10 \, c d}{x^{2}} + \frac {15 \, c^{2}}{x^{4}}\right )} x^{5} \arctan \left (\frac {1}{a x}\right )}{a} + \frac {{\left (3 \, d^{2} + \frac {20 \, c d}{x^{2}} + \frac {45 \, c^{2}}{x^{4}} - \frac {6 \, d^{2}}{a^{2} x^{2}} - \frac {30 \, c d}{a^{2} x^{4}} + \frac {9 \, d^{2}}{a^{4} x^{4}}\right )} x^{4}}{a^{2}} + \frac {2 \, {\left (15 \, a^{4} c^{2} - 10 \, a^{2} c d + 3 \, d^{2}\right )} \log \left (\frac {1}{a^{2} x^{2}} + 1\right )}{a^{6}} - \frac {2 \, {\left (15 \, a^{4} c^{2} - 10 \, a^{2} c d + 3 \, d^{2}\right )} \log \left (\frac {1}{a^{2} x^{2}}\right )}{a^{6}}\right )} a \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 0.84, size = 116, normalized size = 1.06 \begin {gather*} \frac {a^4\,\left (\frac {c^2\,\ln \left (a^2\,x^2+1\right )}{2}+\frac {d^2\,x^4}{20}+\frac {c\,d\,x^2}{3}\right )-a^2\,\left (\frac {d^2\,x^2}{10}+\frac {c\,d\,\ln \left (a^2\,x^2+1\right )}{3}\right )+\frac {d^2\,\ln \left (a^2\,x^2+1\right )}{10}}{a^5}+c^2\,x\,\mathrm {acot}\left (a\,x\right )+\frac {d^2\,x^5\,\mathrm {acot}\left (a\,x\right )}{5}+\frac {2\,c\,d\,x^3\,\mathrm {acot}\left (a\,x\right )}{3} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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