Optimal. Leaf size=23 \[ \frac{\left (a+b x^4\right )^{p+1}}{4 b (p+1)} \]
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Rubi [A] time = 0.0040387, antiderivative size = 23, normalized size of antiderivative = 1., number of steps used = 1, number of rules used = 1, integrand size = 13, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.077, Rules used = {261} \[ \frac{\left (a+b x^4\right )^{p+1}}{4 b (p+1)} \]
Antiderivative was successfully verified.
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Rule 261
Rubi steps
\begin{align*} \int x^3 \left (a+b x^4\right )^p \, dx &=\frac{\left (a+b x^4\right )^{1+p}}{4 b (1+p)}\\ \end{align*}
Mathematica [A] time = 0.0047014, size = 23, normalized size = 1. \[ \frac{\left (a+b x^4\right )^{p+1}}{4 b (p+1)} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.003, size = 22, normalized size = 1. \begin{align*}{\frac{ \left ( b{x}^{4}+a \right ) ^{1+p}}{4\,b \left ( 1+p \right ) }} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [F(-2)] time = 0., size = 0, normalized size = 0. \begin{align*} \text{Exception raised: ValueError} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 1.78262, size = 55, normalized size = 2.39 \begin{align*} \frac{{\left (b x^{4} + a\right )}{\left (b x^{4} + a\right )}^{p}}{4 \,{\left (b p + b\right )}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A] time = 2.83844, size = 129, normalized size = 5.61 \begin{align*} \begin{cases} \frac{x^{4}}{4 a} & \text{for}\: b = 0 \wedge p = -1 \\\frac{a^{p} x^{4}}{4} & \text{for}\: b = 0 \\\frac{\log{\left (- \sqrt [4]{-1} \sqrt [4]{a} \sqrt [4]{\frac{1}{b}} + x \right )}}{4 b} + \frac{\log{\left (\sqrt [4]{-1} \sqrt [4]{a} \sqrt [4]{\frac{1}{b}} + x \right )}}{4 b} + \frac{\log{\left (i \sqrt{a} \sqrt{\frac{1}{b}} + x^{2} \right )}}{4 b} & \text{for}\: p = -1 \\\frac{a \left (a + b x^{4}\right )^{p}}{4 b p + 4 b} + \frac{b x^{4} \left (a + b x^{4}\right )^{p}}{4 b p + 4 b} & \text{otherwise} \end{cases} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A] time = 1.11395, size = 28, normalized size = 1.22 \begin{align*} \frac{{\left (b x^{4} + a\right )}^{p + 1}}{4 \, b{\left (p + 1\right )}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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