Optimal. Leaf size=19 \[ \log (1-x)-2 \log (2+x)-3 \log (3+x) \]
[Out]
________________________________________________________________________________________
Rubi [A]
time = 0.02, antiderivative size = 19, normalized size of antiderivative = 1.00, number of steps
used = 2, number of rules used = 1, integrand size = 24, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.042, Rules used = {2099}
\begin {gather*} \log (1-x)-2 \log (x+2)-3 \log (x+3) \end {gather*}
Antiderivative was successfully verified.
[In]
[Out]
Rule 2099
Rubi steps
\begin {align*} \int \frac {18-2 x-4 x^2}{-6+x+4 x^2+x^3} \, dx &=\int \left (\frac {1}{-1+x}-\frac {2}{2+x}-\frac {3}{3+x}\right ) \, dx\\ &=\log (1-x)-2 \log (2+x)-3 \log (3+x)\\ \end {align*}
________________________________________________________________________________________
Mathematica [A]
time = 0.00, size = 25, normalized size = 1.32 \begin {gather*} -2 \left (-\frac {1}{2} \log (1-x)+\log (2+x)+\frac {3}{2} \log (3+x)\right ) \end {gather*}
Antiderivative was successfully verified.
[In]
[Out]
________________________________________________________________________________________
Mathics [A]
time = 1.72, size = 17, normalized size = 0.89 \begin {gather*} \text {Log}\left [-1+x\right ]-3 \text {Log}\left [3+x\right ]-2 \text {Log}\left [2+x\right ] \end {gather*}
Antiderivative was successfully verified.
[In]
[Out]
________________________________________________________________________________________
Maple [A]
time = 0.02, size = 18, normalized size = 0.95
method | result | size |
default | \(\ln \left (-1+x \right )-3 \ln \left (3+x \right )-2 \ln \left (2+x \right )\) | \(18\) |
norman | \(\ln \left (-1+x \right )-3 \ln \left (3+x \right )-2 \ln \left (2+x \right )\) | \(18\) |
risch | \(\ln \left (-1+x \right )-3 \ln \left (3+x \right )-2 \ln \left (2+x \right )\) | \(18\) |
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Maxima [A]
time = 0.26, size = 17, normalized size = 0.89 \begin {gather*} -3 \, \log \left (x + 3\right ) - 2 \, \log \left (x + 2\right ) + \log \left (x - 1\right ) \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Fricas [A]
time = 0.34, size = 17, normalized size = 0.89 \begin {gather*} -3 \, \log \left (x + 3\right ) - 2 \, \log \left (x + 2\right ) + \log \left (x - 1\right ) \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Sympy [A]
time = 0.07, size = 17, normalized size = 0.89 \begin {gather*} \log {\left (x - 1 \right )} - 2 \log {\left (x + 2 \right )} - 3 \log {\left (x + 3 \right )} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Giac [A]
time = 0.00, size = 22, normalized size = 1.16 \begin {gather*} \ln \left |x-1\right |-2 \ln \left |x+2\right |-3 \ln \left |x+3\right | \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Mupad [B]
time = 0.18, size = 17, normalized size = 0.89 \begin {gather*} \ln \left (x-1\right )-2\,\ln \left (x+2\right )-3\,\ln \left (x+3\right ) \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________