3.35.90 \(\int \frac {72 x+4 x^3}{1215 \log (3)+270 x^2 \log (3) \log (\frac {2}{x})+15 x^4 \log (3) \log ^2(\frac {2}{x})} \, dx\)

Optimal. Leaf size=22 \[ \frac {4}{15 \log (3) \left (\frac {9}{x^2}+\log \left (\frac {2}{x}\right )\right )} \]

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Rubi [F]  time = 0.38, antiderivative size = 0, normalized size of antiderivative = 0.00, number of steps used = 0, number of rules used = 0, integrand size = 0, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.000, Rules used = {} \begin {gather*} \int \frac {72 x+4 x^3}{1215 \log (3)+270 x^2 \log (3) \log \left (\frac {2}{x}\right )+15 x^4 \log (3) \log ^2\left (\frac {2}{x}\right )} \, dx \end {gather*}

Verification is not applicable to the result.

[In]

Int[(72*x + 4*x^3)/(1215*Log[3] + 270*x^2*Log[3]*Log[2/x] + 15*x^4*Log[3]*Log[2/x]^2),x]

[Out]

(24*Defer[Int][x/(9 + x^2*Log[2/x])^2, x])/(5*Log[3]) + (4*Defer[Int][x^3/(9 + x^2*Log[2/x])^2, x])/(15*Log[3]
)

Rubi steps

\begin {gather*} \begin {aligned} \text {integral} &=\int \frac {x \left (72+4 x^2\right )}{1215 \log (3)+270 x^2 \log (3) \log \left (\frac {2}{x}\right )+15 x^4 \log (3) \log ^2\left (\frac {2}{x}\right )} \, dx\\ &=\int \frac {4 x \left (18+x^2\right )}{15 \log (3) \left (9+x^2 \log \left (\frac {2}{x}\right )\right )^2} \, dx\\ &=\frac {4 \int \frac {x \left (18+x^2\right )}{\left (9+x^2 \log \left (\frac {2}{x}\right )\right )^2} \, dx}{15 \log (3)}\\ &=\frac {4 \int \left (\frac {18 x}{\left (9+x^2 \log \left (\frac {2}{x}\right )\right )^2}+\frac {x^3}{\left (9+x^2 \log \left (\frac {2}{x}\right )\right )^2}\right ) \, dx}{15 \log (3)}\\ &=\frac {4 \int \frac {x^3}{\left (9+x^2 \log \left (\frac {2}{x}\right )\right )^2} \, dx}{15 \log (3)}+\frac {24 \int \frac {x}{\left (9+x^2 \log \left (\frac {2}{x}\right )\right )^2} \, dx}{5 \log (3)}\\ \end {aligned} \end {gather*}

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Mathematica [A]  time = 0.10, size = 25, normalized size = 1.14 \begin {gather*} \frac {4 x^2}{15 \log (3) \left (9+x^2 \log \left (\frac {2}{x}\right )\right )} \end {gather*}

Antiderivative was successfully verified.

[In]

Integrate[(72*x + 4*x^3)/(1215*Log[3] + 270*x^2*Log[3]*Log[2/x] + 15*x^4*Log[3]*Log[2/x]^2),x]

[Out]

(4*x^2)/(15*Log[3]*(9 + x^2*Log[2/x]))

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fricas [A]  time = 0.89, size = 24, normalized size = 1.09 \begin {gather*} \frac {4 \, x^{2}}{15 \, {\left (x^{2} \log \relax (3) \log \left (\frac {2}{x}\right ) + 9 \, \log \relax (3)\right )}} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((4*x^3+72*x)/(15*x^4*log(3)*log(2/x)^2+270*x^2*log(3)*log(2/x)+1215*log(3)),x, algorithm="fricas")

[Out]

4/15*x^2/(x^2*log(3)*log(2/x) + 9*log(3))

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giac [A]  time = 0.19, size = 21, normalized size = 0.95 \begin {gather*} \frac {4}{15 \, {\left (\log \relax (3) \log \left (\frac {2}{x}\right ) + \frac {9 \, \log \relax (3)}{x^{2}}\right )}} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((4*x^3+72*x)/(15*x^4*log(3)*log(2/x)^2+270*x^2*log(3)*log(2/x)+1215*log(3)),x, algorithm="giac")

[Out]

4/15/(log(3)*log(2/x) + 9*log(3)/x^2)

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maple [A]  time = 0.11, size = 24, normalized size = 1.09

method	result	size
norman	\(\frac {4 x^{2}}{15 \ln \relax (3) \left (x^{2} \ln \left (\frac {2}{x}\right )+9\right )}\)	\(24\)
risch	\(\frac {4 x^{2}}{15 \ln \relax (3) \left (x^{2} \ln \left (\frac {2}{x}\right )+9\right )}\)	\(24\)

Verification of antiderivative is not currently implemented for this CAS.

[In]

int((4*x^3+72*x)/(15*x^4*ln(3)*ln(2/x)^2+270*x^2*ln(3)*ln(2/x)+1215*ln(3)),x,method=_RETURNVERBOSE)

[Out]

4/15*x^2/ln(3)/(x^2*ln(2/x)+9)

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maxima [A]  time = 0.65, size = 29, normalized size = 1.32 \begin {gather*} \frac {4 \, x^{2}}{15 \, {\left (x^{2} \log \relax (3) \log \relax (2) - x^{2} \log \relax (3) \log \relax (x) + 9 \, \log \relax (3)\right )}} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((4*x^3+72*x)/(15*x^4*log(3)*log(2/x)^2+270*x^2*log(3)*log(2/x)+1215*log(3)),x, algorithm="maxima")

[Out]

4/15*x^2/(x^2*log(3)*log(2) - x^2*log(3)*log(x) + 9*log(3))

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mupad [B]  time = 2.34, size = 23, normalized size = 1.05 \begin {gather*} \frac {4\,x^2}{15\,\ln \relax (3)\,\left (x^2\,\ln \left (\frac {2}{x}\right )+9\right )} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

int((72*x + 4*x^3)/(1215*log(3) + 270*x^2*log(3)*log(2/x) + 15*x^4*log(3)*log(2/x)^2),x)

[Out]

(4*x^2)/(15*log(3)*(x^2*log(2/x) + 9))

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sympy [A]  time = 0.13, size = 22, normalized size = 1.00 \begin {gather*} \frac {4 x^{2}}{15 x^{2} \log {\relax (3 )} \log {\left (\frac {2}{x} \right )} + 135 \log {\relax (3 )}} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((4*x**3+72*x)/(15*x**4*ln(3)*ln(2/x)**2+270*x**2*ln(3)*ln(2/x)+1215*ln(3)),x)

[Out]

4*x**2/(15*x**2*log(3)*log(2/x) + 135*log(3))

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