3.610 \(\int \frac {\log ^2(x)}{x^{5/2}} \, dx\)

Optimal. Leaf size=34 \[ -\frac {16}{27 x^{3/2}}-\frac {2 \log ^2(x)}{3 x^{3/2}}-\frac {8 \log (x)}{9 x^{3/2}} \]

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Rubi [A]  time = 0.02, antiderivative size = 34, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 2, integrand size = 10, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.200, Rules used = {2305, 2304} \[ -\frac {16}{27 x^{3/2}}-\frac {2 \log ^2(x)}{3 x^{3/2}}-\frac {8 \log (x)}{9 x^{3/2}} \]

Antiderivative was successfully verified.

[In]

Int[Log[x]^2/x^(5/2),x]

[Out]

-16/(27*x^(3/2)) - (8*Log[x])/(9*x^(3/2)) - (2*Log[x]^2)/(3*x^(3/2))

Rule 2304

Int[((a_.) + Log[(c_.)*(x_)^(n_.)]*(b_.))*((d_.)*(x_))^(m_.), x_Symbol] :> Simp[((d*x)^(m + 1)*(a + b*Log[c*x^
n]))/(d*(m + 1)), x] - Simp[(b*n*(d*x)^(m + 1))/(d*(m + 1)^2), x] /; FreeQ[{a, b, c, d, m, n}, x] && NeQ[m, -1
]

Rule 2305

Int[((a_.) + Log[(c_.)*(x_)^(n_.)]*(b_.))^(p_.)*((d_.)*(x_))^(m_.), x_Symbol] :> Simp[((d*x)^(m + 1)*(a + b*Lo
g[c*x^n])^p)/(d*(m + 1)), x] - Dist[(b*n*p)/(m + 1), Int[(d*x)^m*(a + b*Log[c*x^n])^(p - 1), x], x] /; FreeQ[{
a, b, c, d, m, n}, x] && NeQ[m, -1] && GtQ[p, 0]

Rubi steps

\begin {align*} \int \frac {\log ^2(x)}{x^{5/2}} \, dx &=-\frac {2 \log ^2(x)}{3 x^{3/2}}+\frac {4}{3} \int \frac {\log (x)}{x^{5/2}} \, dx\\ &=-\frac {16}{27 x^{3/2}}-\frac {8 \log (x)}{9 x^{3/2}}-\frac {2 \log ^2(x)}{3 x^{3/2}}\\ \end {align*}

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Mathematica [A]  time = 0.00, size = 21, normalized size = 0.62 \[ -\frac {2 \left (9 \log ^2(x)+12 \log (x)+8\right )}{27 x^{3/2}} \]

Antiderivative was successfully verified.

[In]

Integrate[Log[x]^2/x^(5/2),x]

[Out]

(-2*(8 + 12*Log[x] + 9*Log[x]^2))/(27*x^(3/2))

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IntegrateAlgebraic [F]  time = 0.00, size = 0, normalized size = 0.00 \[ \int \frac {\log ^2(x)}{x^{5/2}} \, dx \]

Verification is Not applicable to the result.

[In]

IntegrateAlgebraic[Log[x]^2/x^(5/2),x]

[Out]

Could not integrate

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fricas [A]  time = 1.16, size = 17, normalized size = 0.50 \[ -\frac {2 \, {\left (9 \, \log \relax (x)^{2} + 12 \, \log \relax (x) + 8\right )}}{27 \, x^{\frac {3}{2}}} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(log(x)^2/x^(5/2),x, algorithm="fricas")

[Out]

-2/27*(9*log(x)^2 + 12*log(x) + 8)/x^(3/2)

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giac [A]  time = 0.63, size = 22, normalized size = 0.65 \[ -\frac {2 \, \log \relax (x)^{2}}{3 \, x^{\frac {3}{2}}} - \frac {8 \, \log \relax (x)}{9 \, x^{\frac {3}{2}}} - \frac {16}{27 \, x^{\frac {3}{2}}} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(log(x)^2/x^(5/2),x, algorithm="giac")

[Out]

-2/3*log(x)^2/x^(3/2) - 8/9*log(x)/x^(3/2) - 16/27/x^(3/2)

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maple [A]  time = 0.10, size = 23, normalized size = 0.68

method	result	size
derivativedivides	\(-\frac {16}{27 x^{\frac {3}{2}}}-\frac {8 \ln \relax (x )}{9 x^{\frac {3}{2}}}-\frac {2 \ln \relax (x )^{2}}{3 x^{\frac {3}{2}}}\)	\(23\)
default	\(-\frac {16}{27 x^{\frac {3}{2}}}-\frac {8 \ln \relax (x )}{9 x^{\frac {3}{2}}}-\frac {2 \ln \relax (x )^{2}}{3 x^{\frac {3}{2}}}\)	\(23\)
risch	\(-\frac {16}{27 x^{\frac {3}{2}}}-\frac {8 \ln \relax (x )}{9 x^{\frac {3}{2}}}-\frac {2 \ln \relax (x )^{2}}{3 x^{\frac {3}{2}}}\)	\(23\)

Verification of antiderivative is not currently implemented for this CAS.

[In]

int(ln(x)^2/x^(5/2),x,method=_RETURNVERBOSE)

[Out]

-16/27/x^(3/2)-8/9*ln(x)/x^(3/2)-2/3*ln(x)^2/x^(3/2)

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maxima [A]  time = 0.42, size = 22, normalized size = 0.65 \[ -\frac {2 \, \log \relax (x)^{2}}{3 \, x^{\frac {3}{2}}} - \frac {8 \, \log \relax (x)}{9 \, x^{\frac {3}{2}}} - \frac {16}{27 \, x^{\frac {3}{2}}} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(log(x)^2/x^(5/2),x, algorithm="maxima")

[Out]

-2/3*log(x)^2/x^(3/2) - 8/9*log(x)/x^(3/2) - 16/27/x^(3/2)

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mupad [B]  time = 0.04, size = 17, normalized size = 0.50 \[ -\frac {18\,{\ln \relax (x)}^2+24\,\ln \relax (x)+16}{27\,x^{3/2}} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

int(log(x)^2/x^(5/2),x)

[Out]

-(24*log(x) + 18*log(x)^2 + 16)/(27*x^(3/2))

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sympy [A]  time = 6.09, size = 34, normalized size = 1.00 \[ - \frac {2 \log {\relax (x )}^{2}}{3 x^{\frac {3}{2}}} - \frac {8 \log {\relax (x )}}{9 x^{\frac {3}{2}}} - \frac {16}{27 x^{\frac {3}{2}}} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(ln(x)**2/x**(5/2),x)

[Out]

-2*log(x)**2/(3*x**(3/2)) - 8*log(x)/(9*x**(3/2)) - 16/(27*x**(3/2))

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