Integrand size = 15, antiderivative size = 18 \[ \int x^3 \left (a+c x^4\right )^{3/2} \, dx=\frac {\left (a+c x^4\right )^{5/2}}{10 c} \]
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Time = 0.00 (sec) , antiderivative size = 18, normalized size of antiderivative = 1.00, number of steps used = 1, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.067, Rules used = {267} \[ \int x^3 \left (a+c x^4\right )^{3/2} \, dx=\frac {\left (a+c x^4\right )^{5/2}}{10 c} \]
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Rule 267
Rubi steps \begin{align*} \text {integral}& = \frac {\left (a+c x^4\right )^{5/2}}{10 c} \\ \end{align*}
Time = 0.02 (sec) , antiderivative size = 18, normalized size of antiderivative = 1.00 \[ \int x^3 \left (a+c x^4\right )^{3/2} \, dx=\frac {\left (a+c x^4\right )^{5/2}}{10 c} \]
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Time = 4.19 (sec) , antiderivative size = 15, normalized size of antiderivative = 0.83
method | result | size |
gosper | \(\frac {\left (x^{4} c +a \right )^{\frac {5}{2}}}{10 c}\) | \(15\) |
derivativedivides | \(\frac {\left (x^{4} c +a \right )^{\frac {5}{2}}}{10 c}\) | \(15\) |
default | \(\frac {\left (x^{4} c +a \right )^{\frac {5}{2}}}{10 c}\) | \(15\) |
pseudoelliptic | \(\frac {\left (x^{4} c +a \right )^{\frac {5}{2}}}{10 c}\) | \(15\) |
trager | \(\frac {\left (c^{2} x^{8}+2 a \,x^{4} c +a^{2}\right ) \sqrt {x^{4} c +a}}{10 c}\) | \(33\) |
risch | \(\frac {\left (c^{2} x^{8}+2 a \,x^{4} c +a^{2}\right ) \sqrt {x^{4} c +a}}{10 c}\) | \(33\) |
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Leaf count of result is larger than twice the leaf count of optimal. 32 vs. \(2 (14) = 28\).
Time = 0.25 (sec) , antiderivative size = 32, normalized size of antiderivative = 1.78 \[ \int x^3 \left (a+c x^4\right )^{3/2} \, dx=\frac {{\left (c^{2} x^{8} + 2 \, a c x^{4} + a^{2}\right )} \sqrt {c x^{4} + a}}{10 \, c} \]
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Leaf count of result is larger than twice the leaf count of optimal. 60 vs. \(2 (12) = 24\).
Time = 0.16 (sec) , antiderivative size = 60, normalized size of antiderivative = 3.33 \[ \int x^3 \left (a+c x^4\right )^{3/2} \, dx=\begin {cases} \frac {a^{2} \sqrt {a + c x^{4}}}{10 c} + \frac {a x^{4} \sqrt {a + c x^{4}}}{5} + \frac {c x^{8} \sqrt {a + c x^{4}}}{10} & \text {for}\: c \neq 0 \\\frac {a^{\frac {3}{2}} x^{4}}{4} & \text {otherwise} \end {cases} \]
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none
Time = 0.19 (sec) , antiderivative size = 14, normalized size of antiderivative = 0.78 \[ \int x^3 \left (a+c x^4\right )^{3/2} \, dx=\frac {{\left (c x^{4} + a\right )}^{\frac {5}{2}}}{10 \, c} \]
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Time = 0.26 (sec) , antiderivative size = 14, normalized size of antiderivative = 0.78 \[ \int x^3 \left (a+c x^4\right )^{3/2} \, dx=\frac {{\left (c x^{4} + a\right )}^{\frac {5}{2}}}{10 \, c} \]
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Time = 5.98 (sec) , antiderivative size = 14, normalized size of antiderivative = 0.78 \[ \int x^3 \left (a+c x^4\right )^{3/2} \, dx=\frac {{\left (c\,x^4+a\right )}^{5/2}}{10\,c} \]
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