3.731 \(\int \left (\frac{x}{\sqrt{e^x+x}}+\frac{e^x x}{\sqrt{e^x+x}}\right ) \, dx\)

Optimal. Leaf size=27 \[ 2 x \sqrt{x+e^x}-2 \text{Int}\left (\sqrt{x+e^x},x\right ) \]

[Out]

2*x*Sqrt[E^x + x] - 2*CannotIntegrate[Sqrt[E^x + x], x]

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Rubi [A]  time = 0.179052, antiderivative size = 0, normalized size of antiderivative = 0., number of steps used = 0, number of rules used = 0, integrand size = 0, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0. \[ \text{Int}\left (\frac{x}{\sqrt{e^x+x}}+\frac{e^x x}{\sqrt{e^x+x}},x\right ) \]

Verification is Not applicable to the result.

[In]  Int[x/Sqrt[E^x + x] + (E^x*x)/Sqrt[E^x + x],x]

[Out]

2*x*Sqrt[E^x + x] - 2*Defer[Int][Sqrt[E^x + x], x]

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Rubi in Sympy [A]  time = 0., size = 0, normalized size = 0. \[ 2 x \sqrt{x + e^{x}} - 2 \int \sqrt{x + e^{x}}\, dx \]

Verification of antiderivative is not currently implemented for this CAS.

[In]  rubi_integrate(x/(exp(x)+x)**(1/2)+exp(x)*x/(exp(x)+x)**(1/2),x)

[Out]

2*x*sqrt(x + exp(x)) - 2*Integral(sqrt(x + exp(x)), x)

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Mathematica [A]  time = 0.0919318, size = 0, normalized size = 0. \[ \int \left (\frac{x}{\sqrt{e^x+x}}+\frac{e^x x}{\sqrt{e^x+x}}\right ) \, dx \]

Verification is Not applicable to the result.

[In]  Integrate[x/Sqrt[E^x + x] + (E^x*x)/Sqrt[E^x + x],x]

[Out]

Integrate[x/Sqrt[E^x + x] + (E^x*x)/Sqrt[E^x + x], x]

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Maple [A]  time = 0.011, size = 0, normalized size = 0. \[ \int{x{\frac{1}{\sqrt{{{\rm e}^{x}}+x}}}}+{x{{\rm e}^{x}}{\frac{1}{\sqrt{{{\rm e}^{x}}+x}}}}\, dx \]

Verification of antiderivative is not currently implemented for this CAS.

[In]  int(x/(exp(x)+x)^(1/2)+exp(x)*x/(exp(x)+x)^(1/2),x)

[Out]

int(x/(exp(x)+x)^(1/2)+exp(x)*x/(exp(x)+x)^(1/2),x)

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Maxima [A]  time = 0., size = 0, normalized size = 0. \[ \int \frac{x e^{x}}{\sqrt{x + e^{x}}} + \frac{x}{\sqrt{x + e^{x}}}\,{d x} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]  integrate(x*e^x/sqrt(x + e^x) + x/sqrt(x + e^x),x, algorithm="maxima")

[Out]

integrate(x*e^x/sqrt(x + e^x) + x/sqrt(x + e^x), x)

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Fricas [F(-2)]  time = 0., size = 0, normalized size = 0. \[ \text{Exception raised: TypeError} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]  integrate(x*e^x/sqrt(x + e^x) + x/sqrt(x + e^x),x, algorithm="fricas")

[Out]

Exception raised: TypeError

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Sympy [A]  time = 0., size = 0, normalized size = 0. \[ \int \frac{x \left (e^{x} + 1\right )}{\sqrt{x + e^{x}}}\, dx \]

Verification of antiderivative is not currently implemented for this CAS.

[In]  integrate(x/(exp(x)+x)**(1/2)+exp(x)*x/(exp(x)+x)**(1/2),x)

[Out]

Integral(x*(exp(x) + 1)/sqrt(x + exp(x)), x)

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GIAC/XCAS [A]  time = 0., size = 0, normalized size = 0. \[ \int \frac{x e^{x}}{\sqrt{x + e^{x}}} + \frac{x}{\sqrt{x + e^{x}}}\,{d x} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]  integrate(x*e^x/sqrt(x + e^x) + x/sqrt(x + e^x),x, algorithm="giac")

[Out]

integrate(x*e^x/sqrt(x + e^x) + x/sqrt(x + e^x), x)