Optimal. Leaf size=38 \[ -\frac {a \left (a+c x^4\right )^{5/2}}{10 c^2}+\frac {\left (a+c x^4\right )^{7/2}}{14 c^2} \]
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Rubi [A]
time = 0.02, antiderivative size = 38, normalized size of antiderivative = 1.00, number of steps
used = 3, number of rules used = 2, integrand size = 15, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.133, Rules used = {272, 45}
\begin {gather*} \frac {\left (a+c x^4\right )^{7/2}}{14 c^2}-\frac {a \left (a+c x^4\right )^{5/2}}{10 c^2} \end {gather*}
Antiderivative was successfully verified.
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Rule 45
Rule 272
Rubi steps
\begin {align*} \int x^7 \left (a+c x^4\right )^{3/2} \, dx &=\frac {1}{4} \text {Subst}\left (\int x (a+c x)^{3/2} \, dx,x,x^4\right )\\ &=\frac {1}{4} \text {Subst}\left (\int \left (-\frac {a (a+c x)^{3/2}}{c}+\frac {(a+c x)^{5/2}}{c}\right ) \, dx,x,x^4\right )\\ &=-\frac {a \left (a+c x^4\right )^{5/2}}{10 c^2}+\frac {\left (a+c x^4\right )^{7/2}}{14 c^2}\\ \end {align*}
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Mathematica [A]
time = 0.03, size = 28, normalized size = 0.74 \begin {gather*} \frac {\left (a+c x^4\right )^{5/2} \left (-2 a+5 c x^4\right )}{70 c^2} \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 0.14, size = 43, normalized size = 1.13
method | result | size |
gosper | \(-\frac {\left (x^{4} c +a \right )^{\frac {5}{2}} \left (-5 x^{4} c +2 a \right )}{70 c^{2}}\) | \(25\) |
default | \(-\frac {\sqrt {x^{4} c +a}\, \left (-5 x^{4} c +2 a \right ) \left (c^{2} x^{8}+2 a c \,x^{4}+a^{2}\right )}{70 c^{2}}\) | \(43\) |
elliptic | \(-\frac {\sqrt {x^{4} c +a}\, \left (-5 x^{4} c +2 a \right ) \left (c^{2} x^{8}+2 a c \,x^{4}+a^{2}\right )}{70 c^{2}}\) | \(43\) |
trager | \(-\frac {\left (-5 c^{3} x^{12}-8 a \,c^{2} x^{8}-a^{2} c \,x^{4}+2 a^{3}\right ) \sqrt {x^{4} c +a}}{70 c^{2}}\) | \(47\) |
risch | \(-\frac {\left (-5 c^{3} x^{12}-8 a \,c^{2} x^{8}-a^{2} c \,x^{4}+2 a^{3}\right ) \sqrt {x^{4} c +a}}{70 c^{2}}\) | \(47\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A]
time = 0.30, size = 30, normalized size = 0.79 \begin {gather*} \frac {{\left (c x^{4} + a\right )}^{\frac {7}{2}}}{14 \, c^{2}} - \frac {{\left (c x^{4} + a\right )}^{\frac {5}{2}} a}{10 \, c^{2}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 0.35, size = 45, normalized size = 1.18 \begin {gather*} \frac {{\left (5 \, c^{3} x^{12} + 8 \, a c^{2} x^{8} + a^{2} c x^{4} - 2 \, a^{3}\right )} \sqrt {c x^{4} + a}}{70 \, c^{2}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [B] Leaf count of result is larger than twice the leaf count of optimal. 83 vs.
\(2 (31) = 62\).
time = 0.34, size = 83, normalized size = 2.18 \begin {gather*} \begin {cases} - \frac {a^{3} \sqrt {a + c x^{4}}}{35 c^{2}} + \frac {a^{2} x^{4} \sqrt {a + c x^{4}}}{70 c} + \frac {4 a x^{8} \sqrt {a + c x^{4}}}{35} + \frac {c x^{12} \sqrt {a + c x^{4}}}{14} & \text {for}\: c \neq 0 \\\frac {a^{\frac {3}{2}} x^{8}}{8} & \text {otherwise} \end {cases} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A]
time = 0.52, size = 29, normalized size = 0.76 \begin {gather*} \frac {5 \, {\left (c x^{4} + a\right )}^{\frac {7}{2}} - 7 \, {\left (c x^{4} + a\right )}^{\frac {5}{2}} a}{70 \, c^{2}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 1.14, size = 42, normalized size = 1.11 \begin {gather*} \sqrt {c\,x^4+a}\,\left (\frac {4\,a\,x^8}{35}+\frac {c\,x^{12}}{14}-\frac {a^3}{35\,c^2}+\frac {a^2\,x^4}{70\,c}\right ) \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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