Optimal. Leaf size=14 \[ -\frac {1}{4 \left (2+2 x+x^2\right )^2} \]
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Rubi [A]
time = 0.01, antiderivative size = 14, normalized size of antiderivative = 1.00, number of steps
used = 1, number of rules used = 1, integrand size = 14, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.071, Rules used = {643}
\begin {gather*} -\frac {1}{4 \left (x^2+2 x+2\right )^2} \end {gather*}
Antiderivative was successfully verified.
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Rule 643
Rubi steps
\begin {align*} \int \frac {1+x}{\left (2+2 x+x^2\right )^3} \, dx &=-\frac {1}{4 \left (2+2 x+x^2\right )^2}\\ \end {align*}
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Mathematica [A]
time = 0.02, size = 14, normalized size = 1.00 \begin {gather*} -\frac {1}{4 \left (2+2 x+x^2\right )^2} \end {gather*}
Antiderivative was successfully verified.
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Mathics [A]
time = 1.73, size = 24, normalized size = 1.71 \begin {gather*} -\frac {1}{16+32 x+32 x^2+16 x^3+4 x^4} \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 0.13, size = 13, normalized size = 0.93
method | result | size |
gosper | \(-\frac {1}{4 \left (x^{2}+2 x +2\right )^{2}}\) | \(13\) |
default | \(-\frac {1}{4 \left (x^{2}+2 x +2\right )^{2}}\) | \(13\) |
norman | \(-\frac {1}{4 \left (x^{2}+2 x +2\right )^{2}}\) | \(13\) |
risch | \(-\frac {1}{4 \left (x^{2}+2 x +2\right )^{2}}\) | \(13\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A]
time = 0.27, size = 12, normalized size = 0.86 \begin {gather*} -\frac {1}{4 \, {\left (x^{2} + 2 \, x + 2\right )}^{2}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 0.33, size = 22, normalized size = 1.57 \begin {gather*} -\frac {1}{4 \, {\left (x^{4} + 4 \, x^{3} + 8 \, x^{2} + 8 \, x + 4\right )}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A]
time = 0.06, size = 22, normalized size = 1.57 \begin {gather*} - \frac {1}{4 x^{4} + 16 x^{3} + 32 x^{2} + 32 x + 16} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A]
time = 0.00, size = 16, normalized size = 1.14 \begin {gather*} -\frac {1}{16 \left (x+\frac {x^{2}}{2}+1\right )^{2}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 0.06, size = 12, normalized size = 0.86 \begin {gather*} -\frac {1}{4\,{\left (x^2+2\,x+2\right )}^2} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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