Optimal. Leaf size=17 \[ \log (4)+\log \left (-1+x-\left (-4+x+x^2\right )^2\right ) \]
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Rubi [A]
time = 0.02, antiderivative size = 19, normalized size of antiderivative = 1.12, number of steps
used = 1, number of rules used = 1, integrand size = 36, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.028, Rules used = {1601}
\begin {gather*} \log \left (x^4+2 x^3-7 x^2-9 x+17\right ) \end {gather*}
Antiderivative was successfully verified.
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Rule 1601
Rubi steps
\begin {gather*} \begin {aligned} \text {integral} &=\log \left (17-9 x-7 x^2+2 x^3+x^4\right )\\ \end {aligned} \end {gather*}
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Mathematica [A]
time = 0.00, size = 19, normalized size = 1.12 \begin {gather*} \log \left (17-9 x-7 x^2+2 x^3+x^4\right ) \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 0.22, size = 20, normalized size = 1.18
method | result | size |
derivativedivides | \(\ln \left (x^{4}+2 x^{3}-7 x^{2}-9 x +17\right )\) | \(20\) |
default | \(\ln \left (x^{4}+2 x^{3}-7 x^{2}-9 x +17\right )\) | \(20\) |
norman | \(\ln \left (x^{4}+2 x^{3}-7 x^{2}-9 x +17\right )\) | \(20\) |
risch | \(\ln \left (x^{4}+2 x^{3}-7 x^{2}-9 x +17\right )\) | \(20\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A]
time = 0.70, size = 19, normalized size = 1.12 \begin {gather*} \log \left (x^{4} + 2 \, x^{3} - 7 \, x^{2} - 9 \, x + 17\right ) \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 0.41, size = 19, normalized size = 1.12 \begin {gather*} \log \left (x^{4} + 2 \, x^{3} - 7 \, x^{2} - 9 \, x + 17\right ) \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A]
time = 0.03, size = 19, normalized size = 1.12 \begin {gather*} \log {\left (x^{4} + 2 x^{3} - 7 x^{2} - 9 x + 17 \right )} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A]
time = 0.40, size = 20, normalized size = 1.18 \begin {gather*} \log \left ({\left | x^{4} + 2 \, x^{3} - 7 \, x^{2} - 9 \, x + 17 \right |}\right ) \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 0.09, size = 19, normalized size = 1.12 \begin {gather*} \ln \left (x^4+2\,x^3-7\,x^2-9\,x+17\right ) \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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