Optimal. Leaf size=33 \[ \frac {x+\frac {1}{3} \left (3+\frac {x}{4+x^2}\right )}{-\frac {4}{3}-x+\frac {x}{\log (4)}} \]
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Rubi [B] Leaf count is larger than twice the leaf count of optimal. \(98\) vs. \(2(33)=66\).
time = 0.30, antiderivative size = 98, normalized size of antiderivative = 2.97, number of steps
used = 5, number of rules used = 3, integrand size = 129, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.023, Rules used = {2099, 653,
209} \begin {gather*} \frac {\log (4) (3 (1-\log (4))-x \log (4))}{\left (x^2+4\right ) \left (9+13 \log ^2(4)-18 \log (4)\right )}+\frac {\log (4) \left (27+16 \log ^3(4)+15 \log ^2(4)-42 \log (4)\right )}{(1-\log (4)) \left (9+13 \log ^2(4)-18 \log (4)\right ) (3 x (1-\log (4))-\log (256))} \end {gather*}
Antiderivative was successfully verified.
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Rule 209
Rule 653
Rule 2099
Rubi steps
\begin {gather*} \begin {aligned} \text {integral} &=\int \left (\frac {2 (-3 x (1-\log (4))-4 \log (4)) \log (4)}{\left (4+x^2\right )^2 \left (9-18 \log (4)+13 \log ^2(4)\right )}+\frac {\log ^2(4)}{\left (4+x^2\right ) \left (9-18 \log (4)+13 \log ^2(4)\right )}+\frac {3 \log (4) \left (-27+42 \log (4)-15 \log ^2(4)-16 \log ^3(4)\right )}{\left (9-18 \log (4)+13 \log ^2(4)\right ) (3 x (1-\log (4))-\log (256))^2}\right ) \, dx\\ &=\frac {\log (4) \left (27-42 \log (4)+15 \log ^2(4)+16 \log ^3(4)\right )}{(1-\log (4)) \left (9-18 \log (4)+13 \log ^2(4)\right ) (3 x (1-\log (4))-\log (256))}+\frac {(2 \log (4)) \int \frac {-3 x (1-\log (4))-4 \log (4)}{\left (4+x^2\right )^2} \, dx}{9-18 \log (4)+13 \log ^2(4)}+\frac {\log ^2(4) \int \frac {1}{4+x^2} \, dx}{9-18 \log (4)+13 \log ^2(4)}\\ &=\frac {\tan ^{-1}\left (\frac {x}{2}\right ) \log ^2(4)}{2 \left (9-18 \log (4)+13 \log ^2(4)\right )}+\frac {\log (4) (3 (1-\log (4))-x \log (4))}{\left (4+x^2\right ) \left (9-18 \log (4)+13 \log ^2(4)\right )}+\frac {\log (4) \left (27-42 \log (4)+15 \log ^2(4)+16 \log ^3(4)\right )}{(1-\log (4)) \left (9-18 \log (4)+13 \log ^2(4)\right ) (3 x (1-\log (4))-\log (256))}-\frac {\log ^2(4) \int \frac {1}{4+x^2} \, dx}{9-18 \log (4)+13 \log ^2(4)}\\ &=\frac {\log (4) (3 (1-\log (4))-x \log (4))}{\left (4+x^2\right ) \left (9-18 \log (4)+13 \log ^2(4)\right )}+\frac {\log (4) \left (27-42 \log (4)+15 \log ^2(4)+16 \log ^3(4)\right )}{(1-\log (4)) \left (9-18 \log (4)+13 \log ^2(4)\right ) (3 x (1-\log (4))-\log (256))}\\ \end {aligned} \end {gather*}
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Mathematica [B] Leaf count is larger than twice the leaf count of optimal. \(346\) vs. \(2(33)=66\).
time = 0.26, size = 346, normalized size = 10.48 \begin {gather*} -\frac {\log (4) \left (3 x (-1+\log (4)) \left (1296+1296 \log ^4(4)+576 \log ^3(4) (-9+\log (256))-72 \log ^2(256)-19 \log ^4(256)-72 \log ^2(4) \left (-108+16 \log (256)+\log ^2(256)\right )+16 \log (4) \left (-324+36 \log (256)+9 \log ^2(256)+5 \log ^3(256)\right )\right )-3 \left (15552+1296 \log (256)+864 \log ^2(256)+168 \log ^3(256)+12 \log ^4(256)+\log ^5(256)+1296 \log ^4(4) (12+\log (256))-192 \log ^3(4) \left (324+27 \log (256)+2 \log ^2(256)\right )-48 \log (4) \left (1296+108 \log (256)+44 \log ^2(256)+7 \log ^3(256)\right )+24 \log ^2(4) \left (3888+324 \log (256)+68 \log ^2(256)+7 \log ^3(256)\right )\right )+x^2 \left (-11664+1296 \log ^5(4)-1296 \log (256)-648 \log ^2(256)-180 \log ^3(256)-9 \log ^4(256)-\log ^5(256)-1296 \log ^4(4) (13+\log (256))+72 \log ^3(4) \left (756+72 \log (256)+7 \log ^2(256)\right )-36 \log ^2(4) \left (2088+216 \log (256)+46 \log ^2(256)+5 \log ^3(256)\right )+\log (4) \left (47952+5184 \log (256)+1800 \log ^2(256)+360 \log ^3(256)+\log ^4(256)\right )\right )\right )}{3 \left (4+x^2\right ) (-1+\log (4)) (3 x (-1+\log (4))+\log (256)) \left (36-72 \log (4)+36 \log ^2(4)+\log ^2(256)\right )^2} \end {gather*}
Antiderivative was successfully verified.
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Maple [B] Leaf count of result is larger than twice the leaf count of optimal. \(96\) vs.
\(2(28)=56\).
time = 0.44, size = 97, normalized size = 2.94
method | result | size |
norman | \(\frac {-\frac {3 \left (4 \ln \left (2\right )^{2}+6 \ln \left (2\right )\right ) x^{3}}{8 \ln \left (2\right )}-\frac {\left (16 \ln \left (2\right )^{2}+18 \ln \left (2\right )\right ) x}{2 \ln \left (2\right )}}{\left (x^{2}+4\right ) \left (6 x \ln \left (2\right )+8 \ln \left (2\right )-3 x \right )}\) | \(63\) |
gosper | \(\frac {2 \left (2 x^{2} \ln \left (2\right )-2 x \ln \left (2\right )+3 x^{2}+8 \ln \left (2\right )+x +12\right ) \ln \left (2\right )}{\left (6 x^{3} \ln \left (2\right )+8 x^{2} \ln \left (2\right )-3 x^{3}+24 x \ln \left (2\right )+32 \ln \left (2\right )-12 x \right ) \left (2 \ln \left (2\right )-1\right )}\) | \(71\) |
risch | \(\frac {\frac {\ln \left (2\right ) \left (2 \ln \left (2\right )+3\right ) x^{2}}{6 \ln \left (2\right )-3}-\frac {x \ln \left (2\right )}{3}+\frac {4 \ln \left (2\right ) \left (2 \ln \left (2\right )+3\right )}{3 \left (2 \ln \left (2\right )-1\right )}}{x^{3} \ln \left (2\right )+\frac {4 x^{2} \ln \left (2\right )}{3}-\frac {x^{3}}{2}+4 x \ln \left (2\right )+\frac {16 \ln \left (2\right )}{3}-2 x}\) | \(80\) |
default | \(2 \ln \left (2\right ) \left (-\frac {-384 \ln \left (2\right )^{3}-180 \ln \left (2\right )^{2}+252 \ln \left (2\right )-81}{\left (52 \ln \left (2\right )^{2}-36 \ln \left (2\right )+9\right ) \left (6 \ln \left (2\right )-3\right ) \left (6 x \ln \left (2\right )+8 \ln \left (2\right )-3 x \right )}+\frac {-2 x \ln \left (2\right )+3-6 \ln \left (2\right )}{\left (x^{2}+4\right ) \left (52 \ln \left (2\right )^{2}-36 \ln \left (2\right )+9\right )}\right )\) | \(97\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [B] Leaf count of result is larger than twice the leaf count of optimal. 103 vs.
\(2 (30) = 60\).
time = 0.26, size = 103, normalized size = 3.12 \begin {gather*} \frac {2 \, {\left ({\left (2 \, \log \left (2\right )^{2} + 3 \, \log \left (2\right )\right )} x^{2} - {\left (2 \, \log \left (2\right )^{2} - \log \left (2\right )\right )} x + 8 \, \log \left (2\right )^{2} + 12 \, \log \left (2\right )\right )}}{3 \, {\left (4 \, \log \left (2\right )^{2} - 4 \, \log \left (2\right ) + 1\right )} x^{3} + 8 \, {\left (2 \, \log \left (2\right )^{2} - \log \left (2\right )\right )} x^{2} + 12 \, {\left (4 \, \log \left (2\right )^{2} - 4 \, \log \left (2\right ) + 1\right )} x + 64 \, \log \left (2\right )^{2} - 32 \, \log \left (2\right )} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [B] Leaf count of result is larger than twice the leaf count of optimal. 79 vs.
\(2 (30) = 60\).
time = 0.48, size = 79, normalized size = 2.39 \begin {gather*} \frac {2 \, {\left (2 \, {\left (x^{2} - x + 4\right )} \log \left (2\right )^{2} + {\left (3 \, x^{2} + x + 12\right )} \log \left (2\right )\right )}}{3 \, x^{3} + 4 \, {\left (3 \, x^{3} + 4 \, x^{2} + 12 \, x + 16\right )} \log \left (2\right )^{2} - 4 \, {\left (3 \, x^{3} + 2 \, x^{2} + 12 \, x + 8\right )} \log \left (2\right ) + 12 \, x} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [B] Leaf count of result is larger than twice the leaf count of optimal. 102 vs.
\(2 (22) = 44\).
time = 2.88, size = 102, normalized size = 3.09 \begin {gather*} - \frac {x^{2} \left (- 6 \log {\left (2 \right )} - 4 \log {\left (2 \right )}^{2}\right ) + x \left (- 2 \log {\left (2 \right )} + 4 \log {\left (2 \right )}^{2}\right ) - 24 \log {\left (2 \right )} - 16 \log {\left (2 \right )}^{2}}{x^{3} \left (- 12 \log {\left (2 \right )} + 3 + 12 \log {\left (2 \right )}^{2}\right ) + x^{2} \left (- 8 \log {\left (2 \right )} + 16 \log {\left (2 \right )}^{2}\right ) + x \left (- 48 \log {\left (2 \right )} + 12 + 48 \log {\left (2 \right )}^{2}\right ) - 32 \log {\left (2 \right )} + 64 \log {\left (2 \right )}^{2}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [B] Leaf count of result is larger than twice the leaf count of optimal. 82 vs.
\(2 (30) = 60\).
time = 0.41, size = 82, normalized size = 2.48 \begin {gather*} \frac {2 \, {\left (2 \, x^{2} \log \left (2\right )^{2} + 3 \, x^{2} \log \left (2\right ) - 2 \, x \log \left (2\right )^{2} + x \log \left (2\right ) + 8 \, \log \left (2\right )^{2} + 12 \, \log \left (2\right )\right )}}{{\left (6 \, x^{3} \log \left (2\right ) - 3 \, x^{3} + 8 \, x^{2} \log \left (2\right ) + 24 \, x \log \left (2\right ) - 12 \, x + 32 \, \log \left (2\right )\right )} {\left (2 \, \log \left (2\right ) - 1\right )}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [F(-1)]
time = 0.00, size = -1, normalized size = -0.03 \begin {gather*} \text {Hanged} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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