Optimal. Leaf size=27 \[ \frac {1}{2 \sqrt {1+x^4}}+\frac {\sqrt {1+x^4}}{2} \]
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Rubi [A]
time = 0.01, antiderivative size = 27, normalized size of antiderivative = 1.00, number of steps
used = 3, number of rules used = 2, integrand size = 13, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.154, Rules used = {272, 45}
\begin {gather*} \frac {\sqrt {x^4+1}}{2}+\frac {1}{2 \sqrt {x^4+1}} \end {gather*}
Antiderivative was successfully verified.
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Rule 45
Rule 272
Rubi steps
\begin {align*} \int \frac {x^7}{\left (1+x^4\right )^{3/2}} \, dx &=\frac {1}{4} \text {Subst}\left (\int \frac {x}{(1+x)^{3/2}} \, dx,x,x^4\right )\\ &=\frac {1}{4} \text {Subst}\left (\int \left (-\frac {1}{(1+x)^{3/2}}+\frac {1}{\sqrt {1+x}}\right ) \, dx,x,x^4\right )\\ &=\frac {1}{2 \sqrt {1+x^4}}+\frac {\sqrt {1+x^4}}{2}\\ \end {align*}
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Mathematica [A]
time = 0.02, size = 18, normalized size = 0.67 \begin {gather*} \frac {2+x^4}{2 \sqrt {1+x^4}} \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 0.14, size = 15, normalized size = 0.56
method | result | size |
gosper | \(\frac {x^{4}+2}{2 \sqrt {x^{4}+1}}\) | \(15\) |
default | \(\frac {x^{4}+2}{2 \sqrt {x^{4}+1}}\) | \(15\) |
trager | \(\frac {x^{4}+2}{2 \sqrt {x^{4}+1}}\) | \(15\) |
risch | \(\frac {x^{4}+2}{2 \sqrt {x^{4}+1}}\) | \(15\) |
elliptic | \(\frac {x^{4}+2}{2 \sqrt {x^{4}+1}}\) | \(15\) |
meijerg | \(\frac {-2 \sqrt {\pi }+\frac {\sqrt {\pi }\, \left (4 x^{4}+8\right )}{4 \sqrt {x^{4}+1}}}{2 \sqrt {\pi }}\) | \(31\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A]
time = 0.29, size = 19, normalized size = 0.70 \begin {gather*} \frac {1}{2} \, \sqrt {x^{4} + 1} + \frac {1}{2 \, \sqrt {x^{4} + 1}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 0.34, size = 14, normalized size = 0.52 \begin {gather*} \frac {x^{4} + 2}{2 \, \sqrt {x^{4} + 1}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A]
time = 0.21, size = 22, normalized size = 0.81 \begin {gather*} \frac {x^{4}}{2 \sqrt {x^{4} + 1}} + \frac {1}{\sqrt {x^{4} + 1}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A]
time = 1.47, size = 19, normalized size = 0.70 \begin {gather*} \frac {1}{2} \, \sqrt {x^{4} + 1} + \frac {1}{2 \, \sqrt {x^{4} + 1}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 1.16, size = 14, normalized size = 0.52 \begin {gather*} \frac {x^4+2}{2\,\sqrt {x^4+1}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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