3.65.70 \(\int \frac {-5+e^4-x+x^2+(-5+e^4-x^2) \log (x)+(4-e) \log ^2(x)}{25+e^8+10 x-9 x^2-2 x^3+x^4+e^4 (-10-2 x+2 x^2)+(-40+(8-2 e) e^4-8 x+8 x^2+e (10+2 x-2 x^2)) \log (x)+(16-8 e+e^2) \log ^2(x)} \, dx\)

Optimal. Leaf size=33 \[ \frac {x^2}{2 x+x \left (2-e+\frac {-5+e^4-x+x^2}{\log (x)}\right )} \]

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Rubi [F]  time = 1.23, 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 {-5+e^4-x+x^2+\left (-5+e^4-x^2\right ) \log (x)+(4-e) \log ^2(x)}{25+e^8+10 x-9 x^2-2 x^3+x^4+e^4 \left (-10-2 x+2 x^2\right )+\left (-40+(8-2 e) e^4-8 x+8 x^2+e \left (10+2 x-2 x^2\right )\right ) \log (x)+\left (16-8 e+e^2\right ) \log ^2(x)} \, dx \end {gather*}

Verification is not applicable to the result.

[In]

Int[(-5 + E^4 - x + x^2 + (-5 + E^4 - x^2)*Log[x] + (4 - E)*Log[x]^2)/(25 + E^8 + 10*x - 9*x^2 - 2*x^3 + x^4 +
E^4*(-10 - 2*x + 2*x^2) + (-40 + (8 - 2*E)*E^4 - 8*x + 8*x^2 + E*(10 + 2*x - 2*x^2))*Log[x] + (16 - 8*E + E^2
)*Log[x]^2),x]

[Out]

x/(4 - E) - (5 - E^4)*Defer[Int][(5*(1 - E^4/5) + x - x^2 - 4*(1 - E/4)*Log[x])^(-2), x] + ((1 + E - E^4)*Defe
r[Int][x/(5*(1 - E^4/5) + x - x^2 - 4*(1 - E/4)*Log[x])^2, x])/(4 - E) - ((5 + E - 2*E^4)*Defer[Int][x^2/(5*(1
- E^4/5) + x - x^2 - 4*(1 - E/4)*Log[x])^2, x])/(4 - E) - (3*Defer[Int][x^3/(5*(1 - E^4/5) + x - x^2 - 4*(1 -
E/4)*Log[x])^2, x])/(4 - E) + (2*Defer[Int][x^4/(5*(1 - E^4/5) + x - x^2 - 4*(1 - E/4)*Log[x])^2, x])/(4 - E)
- ((5 - E^4)*Defer[Int][(5*(1 - E^4/5) + x - x^2 - 4*(1 - E/4)*Log[x])^(-1), x])/(4 - E) + (3*Defer[Int][x^2/
(5*(1 - E^4/5) + x - x^2 - 4*(1 - E/4)*Log[x]), x])/(4 - E) + (2*Defer[Int][x/(-5*(1 - E^4/5) - x + x^2 + 4*(1
- E/4)*Log[x]), x])/(4 - E)

Rubi steps

\begin {gather*} \begin {aligned} \text {integral} &=\int \frac {-5 \left (1-\frac {e^4}{5}\right )-x+x^2+\left (-5+e^4-x^2\right ) \log (x)-(-4+e) \log ^2(x)}{\left (5 \left (1-\frac {e^4}{5}\right )+x-x^2+(-4+e) \log (x)\right )^2} \, dx\\ &=\int \left (\frac {1}{4-e}+\frac {-\left ((4-e) \left (5-e^4\right )\right )+\left (1+e-e^4\right ) x-\left (5+e-2 e^4\right ) x^2-3 x^3+2 x^4}{(4-e) \left (5 \left (1-\frac {e^4}{5}\right )+x-x^2-4 \left (1-\frac {e}{4}\right ) \log (x)\right )^2}+\frac {-5+e^4-2 x+3 x^2}{(4-e) \left (5 \left (1-\frac {e^4}{5}\right )+x-x^2-4 \left (1-\frac {e}{4}\right ) \log (x)\right )}\right ) \, dx\\ &=\frac {x}{4-e}+\frac {\int \frac {-\left ((4-e) \left (5-e^4\right )\right )+\left (1+e-e^4\right ) x-\left (5+e-2 e^4\right ) x^2-3 x^3+2 x^4}{\left (5 \left (1-\frac {e^4}{5}\right )+x-x^2-4 \left (1-\frac {e}{4}\right ) \log (x)\right )^2} \, dx}{4-e}+\frac {\int \frac {-5+e^4-2 x+3 x^2}{5 \left (1-\frac {e^4}{5}\right )+x-x^2-4 \left (1-\frac {e}{4}\right ) \log (x)} \, dx}{4-e}\\ &=\frac {x}{4-e}+\frac {\int \left (\frac {(4-e) \left (-5+e^4\right )}{\left (5 \left (1-\frac {e^4}{5}\right )+x-x^2-4 \left (1-\frac {e}{4}\right ) \log (x)\right )^2}+\frac {\left (1+e-e^4\right ) x}{\left (5 \left (1-\frac {e^4}{5}\right )+x-x^2-4 \left (1-\frac {e}{4}\right ) \log (x)\right )^2}+\frac {\left (-5-e+2 e^4\right ) x^2}{\left (5 \left (1-\frac {e^4}{5}\right )+x-x^2-4 \left (1-\frac {e}{4}\right ) \log (x)\right )^2}-\frac {3 x^3}{\left (5 \left (1-\frac {e^4}{5}\right )+x-x^2-4 \left (1-\frac {e}{4}\right ) \log (x)\right )^2}+\frac {2 x^4}{\left (5 \left (1-\frac {e^4}{5}\right )+x-x^2-4 \left (1-\frac {e}{4}\right ) \log (x)\right )^2}\right ) \, dx}{4-e}+\frac {\int \left (\frac {\left (1-\frac {5}{e^4}\right ) e^4}{5 \left (1-\frac {e^4}{5}\right )+x-x^2-4 \left (1-\frac {e}{4}\right ) \log (x)}+\frac {3 x^2}{5 \left (1-\frac {e^4}{5}\right )+x-x^2-4 \left (1-\frac {e}{4}\right ) \log (x)}+\frac {2 x}{-5 \left (1-\frac {e^4}{5}\right )-x+x^2+4 \left (1-\frac {e}{4}\right ) \log (x)}\right ) \, dx}{4-e}\\ &=\frac {x}{4-e}+\frac {2 \int \frac {x^4}{\left (5 \left (1-\frac {e^4}{5}\right )+x-x^2-4 \left (1-\frac {e}{4}\right ) \log (x)\right )^2} \, dx}{4-e}+\frac {2 \int \frac {x}{-5 \left (1-\frac {e^4}{5}\right )-x+x^2+4 \left (1-\frac {e}{4}\right ) \log (x)} \, dx}{4-e}-\frac {3 \int \frac {x^3}{\left (5 \left (1-\frac {e^4}{5}\right )+x-x^2-4 \left (1-\frac {e}{4}\right ) \log (x)\right )^2} \, dx}{4-e}+\frac {3 \int \frac {x^2}{5 \left (1-\frac {e^4}{5}\right )+x-x^2-4 \left (1-\frac {e}{4}\right ) \log (x)} \, dx}{4-e}-\frac {\left (5+e-2 e^4\right ) \int \frac {x^2}{\left (5 \left (1-\frac {e^4}{5}\right )+x-x^2-4 \left (1-\frac {e}{4}\right ) \log (x)\right )^2} \, dx}{4-e}-\frac {\left (5-e^4\right ) \int \frac {1}{5 \left (1-\frac {e^4}{5}\right )+x-x^2-4 \left (1-\frac {e}{4}\right ) \log (x)} \, dx}{4-e}+\frac {\left (1+e-e^4\right ) \int \frac {x}{\left (5 \left (1-\frac {e^4}{5}\right )+x-x^2-4 \left (1-\frac {e}{4}\right ) \log (x)\right )^2} \, dx}{4-e}+\left (-5+e^4\right ) \int \frac {1}{\left (5 \left (1-\frac {e^4}{5}\right )+x-x^2-4 \left (1-\frac {e}{4}\right ) \log (x)\right )^2} \, dx\\ \end {aligned} \end {gather*}

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Mathematica [A]  time = 0.38, size = 24, normalized size = 0.73 \begin {gather*} \frac {x \log (x)}{-5+e^4-x+x^2-(-4+e) \log (x)} \end {gather*}

Antiderivative was successfully verified.

[In]

Integrate[(-5 + E^4 - x + x^2 + (-5 + E^4 - x^2)*Log[x] + (4 - E)*Log[x]^2)/(25 + E^8 + 10*x - 9*x^2 - 2*x^3 +
x^4 + E^4*(-10 - 2*x + 2*x^2) + (-40 + (8 - 2*E)*E^4 - 8*x + 8*x^2 + E*(10 + 2*x - 2*x^2))*Log[x] + (16 - 8*E
+ E^2)*Log[x]^2),x]

[Out]

(x*Log[x])/(-5 + E^4 - x + x^2 - (-4 + E)*Log[x])

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fricas [A]  time = 0.65, size = 24, normalized size = 0.73 \begin {gather*} \frac {x \log \relax (x)}{x^{2} - {\left (e - 4\right )} \log \relax (x) - x + e^{4} - 5} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(((4-exp(1))*log(x)^2+(exp(4)-x^2-5)*log(x)+exp(4)+x^2-x-5)/((exp(1)^2-8*exp(1)+16)*log(x)^2+((-2*exp
(1)+8)*exp(4)+(-2*x^2+2*x+10)*exp(1)+8*x^2-8*x-40)*log(x)+exp(4)^2+(2*x^2-2*x-10)*exp(4)+x^4-2*x^3-9*x^2+10*x+
25),x, algorithm="fricas")

[Out]

x*log(x)/(x^2 - (e - 4)*log(x) - x + e^4 - 5)

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giac [A]  time = 1.26, size = 26, normalized size = 0.79 \begin {gather*} \frac {x \log \relax (x)}{x^{2} - e \log \relax (x) - x + e^{4} + 4 \, \log \relax (x) - 5} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(((4-exp(1))*log(x)^2+(exp(4)-x^2-5)*log(x)+exp(4)+x^2-x-5)/((exp(1)^2-8*exp(1)+16)*log(x)^2+((-2*exp
(1)+8)*exp(4)+(-2*x^2+2*x+10)*exp(1)+8*x^2-8*x-40)*log(x)+exp(4)^2+(2*x^2-2*x-10)*exp(4)+x^4-2*x^3-9*x^2+10*x+
25),x, algorithm="giac")

[Out]

x*log(x)/(x^2 - e*log(x) - x + e^4 + 4*log(x) - 5)

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maple [A]  time = 0.28, size = 27, normalized size = 0.82

method	result	size
norman	\(\frac {x \ln \relax (x )}{-{\mathrm e} \ln \relax (x )+x^{2}+{\mathrm e}^{4}-x +4 \ln \relax (x )-5}\)	\(27\)
risch	\(-\frac {x}{{\mathrm e}-4}+\frac {x \left ({\mathrm e}^{4}+x^{2}-x -5\right )}{\left ({\mathrm e}-4\right ) \left (-{\mathrm e} \ln \relax (x )+x^{2}+{\mathrm e}^{4}-x +4 \ln \relax (x )-5\right )}\)	\(51\)

Verification of antiderivative is not currently implemented for this CAS.

[In]

int(((4-exp(1))*ln(x)^2+(exp(4)-x^2-5)*ln(x)+exp(4)+x^2-x-5)/((exp(1)^2-8*exp(1)+16)*ln(x)^2+((-2*exp(1)+8)*ex
p(4)+(-2*x^2+2*x+10)*exp(1)+8*x^2-8*x-40)*ln(x)+exp(4)^2+(2*x^2-2*x-10)*exp(4)+x^4-2*x^3-9*x^2+10*x+25),x,meth
od=_RETURNVERBOSE)

[Out]

x*ln(x)/(-exp(1)*ln(x)+x^2+exp(4)-x+4*ln(x)-5)

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maxima [A]  time = 0.43, size = 24, normalized size = 0.73 \begin {gather*} \frac {x \log \relax (x)}{x^{2} - {\left (e - 4\right )} \log \relax (x) - x + e^{4} - 5} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(((4-exp(1))*log(x)^2+(exp(4)-x^2-5)*log(x)+exp(4)+x^2-x-5)/((exp(1)^2-8*exp(1)+16)*log(x)^2+((-2*exp
(1)+8)*exp(4)+(-2*x^2+2*x+10)*exp(1)+8*x^2-8*x-40)*log(x)+exp(4)^2+(2*x^2-2*x-10)*exp(4)+x^4-2*x^3-9*x^2+10*x+
25),x, algorithm="maxima")

[Out]

x*log(x)/(x^2 - (e - 4)*log(x) - x + e^4 - 5)

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mupad [B]  time = 4.73, size = 64, normalized size = 1.94 \begin {gather*} \frac {x-{\mathrm {e}}^4-4\,\ln \relax (x)+\mathrm {e}\,\ln \relax (x)+16\,x\,\ln \relax (x)-x^2-4\,x\,\mathrm {e}\,\ln \relax (x)+5}{4\,\left (\mathrm {e}-4\right )\,\left (x-{\mathrm {e}}^4-4\,\ln \relax (x)+\mathrm {e}\,\ln \relax (x)-x^2+5\right )} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

int(-(x - exp(4) + log(x)*(x^2 - exp(4) + 5) + log(x)^2*(exp(1) - 4) - x^2 + 5)/(10*x + exp(8) + log(x)^2*(exp
(2) - 8*exp(1) + 16) - exp(4)*(2*x - 2*x^2 + 10) - log(x)*(8*x - exp(1)*(2*x - 2*x^2 + 10) - 8*x^2 + exp(4)*(2
*exp(1) - 8) + 40) - 9*x^2 - 2*x^3 + x^4 + 25),x)

[Out]

(x - exp(4) - 4*log(x) + exp(1)*log(x) + 16*x*log(x) - x^2 - 4*x*exp(1)*log(x) + 5)/(4*(exp(1) - 4)*(x - exp(4
) - 4*log(x) + exp(1)*log(x) - x^2 + 5))

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sympy [B]  time = 0.26, size = 70, normalized size = 2.12 \begin {gather*} - \frac {x}{-4 + e} + \frac {- x^{3} + x^{2} - x e^{4} + 5 x}{- e x^{2} + 4 x^{2} - 4 x + e x + \left (- 8 e + e^{2} + 16\right ) \log {\relax (x )} - e^{5} - 20 + 5 e + 4 e^{4}} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate(((4-exp(1))*ln(x)**2+(exp(4)-x**2-5)*ln(x)+exp(4)+x**2-x-5)/((exp(1)**2-8*exp(1)+16)*ln(x)**2+((-2*e
xp(1)+8)*exp(4)+(-2*x**2+2*x+10)*exp(1)+8*x**2-8*x-40)*ln(x)+exp(4)**2+(2*x**2-2*x-10)*exp(4)+x**4-2*x**3-9*x*
*2+10*x+25),x)

[Out]

-x/(-4 + E) + (-x**3 + x**2 - x*exp(4) + 5*x)/(-E*x**2 + 4*x**2 - 4*x + E*x + (-8*E + exp(2) + 16)*log(x) - ex
p(5) - 20 + 5*E + 4*exp(4))

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