Optimal. Leaf size=316 \[ \frac {\left (15903121112+5227043711 x+220397520304 x^2-1415707308 x^3+407581982720 x^4-11794907136 x^5+248171986944 x^6-2099249152 x^7+66913566720 x^8\right ) \sqrt {1+\sqrt {x+\sqrt {1+x^2}}}+\left (-1176816782+66830366096 x+1984342244 x^2+96561463296 x^3+6568280064 x^4+10550149120 x^5+1130364928 x^6+1968046080 x^7\right ) \sqrt {x+\sqrt {1+x^2}} \sqrt {1+\sqrt {x+\sqrt {1+x^2}}}+\sqrt {1+x^2} \left (\left (2167822549+88760534448 x+3694527828 x^2+308588576768 x^3-10745282560 x^4+214715203584 x^5-2099249152 x^6+66913566720 x^7\right ) \sqrt {1+\sqrt {x+\sqrt {1+x^2}}}+\left (21890925968-875910940 x+92024406016 x^2+6003097600 x^3+9566126080 x^4+1130364928 x^5+1968046080 x^6\right ) \sqrt {x+\sqrt {1+x^2}} \sqrt {1+\sqrt {x+\sqrt {1+x^2}}}\right )}{39729930240 \left (x+\sqrt {1+x^2}\right )^{7/2}}-\frac {545 \tanh ^{-1}\left (\sqrt {1+\sqrt {x+\sqrt {1+x^2}}}\right )}{8192} \]
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Rubi [F]
time = 0.30, 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 \left (1+x^2\right )^{3/2} \sqrt {x+\sqrt {1+x^2}} \sqrt {1+\sqrt {x+\sqrt {1+x^2}}} \, dx \end {gather*}
Verification is not applicable to the result.
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Rubi steps
\begin {align*} \int \left (1+x^2\right )^{3/2} \sqrt {x+\sqrt {1+x^2}} \sqrt {1+\sqrt {x+\sqrt {1+x^2}}} \, dx &=\int \left (1+x^2\right )^{3/2} \sqrt {x+\sqrt {1+x^2}} \sqrt {1+\sqrt {x+\sqrt {1+x^2}}} \, dx\\ \end {align*}
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Mathematica [A]
time = 0.63, size = 251, normalized size = 0.79 \begin {gather*} \frac {\sqrt {1+\sqrt {x+\sqrt {1+x^2}}} \left (15903121112+5227043711 x+220397520304 x^2-1415707308 x^3+407581982720 x^4-11794907136 x^5+248171986944 x^6-2099249152 x^7+66913566720 x^8+2 \left (-588408391+33415183048 x+992171122 x^2+48280731648 x^3+3284140032 x^4+5275074560 x^5+565182464 x^6+984023040 x^7\right ) \sqrt {x+\sqrt {1+x^2}}+\sqrt {1+x^2} \left (2167822549+88760534448 x+3694527828 x^2+308588576768 x^3-10745282560 x^4+214715203584 x^5-2099249152 x^6+66913566720 x^7+4 \left (5472731492-218977735 x+23006101504 x^2+1500774400 x^3+2391531520 x^4+282591232 x^5+492011520 x^6\right ) \sqrt {x+\sqrt {1+x^2}}\right )\right )}{39729930240 \left (x+\sqrt {1+x^2}\right )^{7/2}}-\frac {545 \tanh ^{-1}\left (\sqrt {1+\sqrt {x+\sqrt {1+x^2}}}\right )}{8192} \end {gather*}
Antiderivative was successfully verified.
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Maple [F]
time = 0.03, size = 0, normalized size = 0.00 \[\int \left (x^{2}+1\right )^{\frac {3}{2}} \sqrt {x +\sqrt {x^{2}+1}}\, \sqrt {1+\sqrt {x +\sqrt {x^{2}+1}}}\, dx\]
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 = 0.39, size = 159, normalized size = 0.50 \begin {gather*} \frac {1}{39729930240} \, {\left (246005760 \, x^{4} + 377783296 \, x^{3} + 987937568 \, x^{2} + 2 \, {\left (123002880 \, x^{3} - 47596032 \, x^{2} + 578794096 \, x - 588408391\right )} \sqrt {x^{2} + 1} - {\left (1493606400 \, x^{4} + 391339520 \, x^{3} + 7419648592 \, x^{2} - {\left (9857802240 \, x^{3} + 128933376 \, x^{2} + 25148050000 \, x + 2167822549\right )} \sqrt {x^{2} + 1} + 3444246485 \, x - 15903121112\right )} \sqrt {x + \sqrt {x^{2} + 1}} + 2654539406 \, x + 21890925968\right )} \sqrt {\sqrt {x + \sqrt {x^{2} + 1}} + 1} - \frac {545}{16384} \, \log \left (\sqrt {\sqrt {x + \sqrt {x^{2} + 1}} + 1} + 1\right ) + \frac {545}{16384} \, \log \left (\sqrt {\sqrt {x + \sqrt {x^{2} + 1}} + 1} - 1\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 \sqrt {x + \sqrt {x^{2} + 1}} \left (x^{2} + 1\right )^{\frac {3}{2}} \sqrt {\sqrt {x + \sqrt {x^{2} + 1}} + 1}\, dx \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [F(-1)] Timed out
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {Timed out} \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 = -0.00 \begin {gather*} \int \sqrt {\sqrt {x+\sqrt {x^2+1}}+1}\,{\left (x^2+1\right )}^{3/2}\,\sqrt {x+\sqrt {x^2+1}} \,d x \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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