Optimal. Leaf size=68 \[ \frac {2 \sqrt {2} \sqrt {-x+\sqrt {x+x^2}} \sqrt {x \left (x+\sqrt {x+x^2}\right )} \tanh ^{-1}\left (\sqrt {2} \sqrt {-x+\sqrt {x+x^2}}\right )}{x} \]
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Rubi [F]
time = 1.00, 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 {\sqrt {x^2+x \sqrt {x+x^2}}}{x \sqrt {x+x^2}} \, dx \end {gather*}
Verification is not applicable to the result.
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Rubi steps
\begin {align*} \int \frac {\sqrt {x^2+x \sqrt {x+x^2}}}{x \sqrt {x+x^2}} \, dx &=\frac {\left (\sqrt {x} \sqrt {1+x}\right ) \int \frac {\sqrt {x^2+x \sqrt {x+x^2}}}{x^{3/2} \sqrt {1+x}} \, dx}{\sqrt {x+x^2}}\\ &=\frac {\left (2 \sqrt {x} \sqrt {1+x}\right ) \text {Subst}\left (\int \frac {\sqrt {x^4+x^2 \sqrt {x^2+x^4}}}{x^2 \sqrt {1+x^2}} \, dx,x,\sqrt {x}\right )}{\sqrt {x+x^2}}\\ \end {align*}
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Mathematica [A]
time = 1.66, size = 61, normalized size = 0.90 \begin {gather*} \frac {2 \sqrt {x \left (x+\sqrt {x (1+x)}\right )} \sqrt {-2 x+2 \sqrt {x (1+x)}} \tanh ^{-1}\left (\sqrt {-2 x+2 \sqrt {x (1+x)}}\right )}{x} \end {gather*}
Antiderivative was successfully verified.
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Maple [F]
time = 0.18, size = 0, normalized size = 0.00 \[\int \frac {\sqrt {x^{2}+x \sqrt {x^{2}+x}}}{x \sqrt {x^{2}+x}}\, dx\]
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [F]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {Failed to integrate} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 0.35, size = 60, normalized size = 0.88 \begin {gather*} \sqrt {2} \log \left (\frac {4 \, x^{2} + 2 \, \sqrt {x^{2} + \sqrt {x^{2} + x} x} {\left (\sqrt {2} x + \sqrt {2} \sqrt {x^{2} + x}\right )} + 4 \, \sqrt {x^{2} + x} x + x}{x}\right ) \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [F]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \int \frac {\sqrt {x \left (x + \sqrt {x^{2} + x}\right )}}{x \sqrt {x \left (x + 1\right )}}\, dx \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [F]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {could not integrate} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [F]
time = 0.00, size = -1, normalized size = -0.01 \begin {gather*} \int \frac {\sqrt {x^2+x\,\sqrt {x^2+x}}}{x\,\sqrt {x^2+x}} \,d x \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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