Optimal. Leaf size=94 \[ \frac{2}{9} c^2 d x^9 (3 a d+2 b c)+\frac{1}{5} c^3 x^5 (4 a d+b c)+\frac{1}{17} d^3 x^{17} (a d+4 b c)+\frac{2}{13} c d^2 x^{13} (2 a d+3 b c)+a c^4 x+\frac{1}{21} b d^4 x^{21} \]
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Rubi [A] time = 0.0676504, antiderivative size = 94, normalized size of antiderivative = 1., number of steps used = 2, number of rules used = 1, integrand size = 17, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.059, Rules used = {373} \[ \frac{2}{9} c^2 d x^9 (3 a d+2 b c)+\frac{1}{5} c^3 x^5 (4 a d+b c)+\frac{1}{17} d^3 x^{17} (a d+4 b c)+\frac{2}{13} c d^2 x^{13} (2 a d+3 b c)+a c^4 x+\frac{1}{21} b d^4 x^{21} \]
Antiderivative was successfully verified.
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Rule 373
Rubi steps
\begin{align*} \int \left (a+b x^4\right ) \left (c+d x^4\right )^4 \, dx &=\int \left (a c^4+c^3 (b c+4 a d) x^4+2 c^2 d (2 b c+3 a d) x^8+2 c d^2 (3 b c+2 a d) x^{12}+d^3 (4 b c+a d) x^{16}+b d^4 x^{20}\right ) \, dx\\ &=a c^4 x+\frac{1}{5} c^3 (b c+4 a d) x^5+\frac{2}{9} c^2 d (2 b c+3 a d) x^9+\frac{2}{13} c d^2 (3 b c+2 a d) x^{13}+\frac{1}{17} d^3 (4 b c+a d) x^{17}+\frac{1}{21} b d^4 x^{21}\\ \end{align*}
Mathematica [A] time = 0.0207885, size = 94, normalized size = 1. \[ \frac{2}{9} c^2 d x^9 (3 a d+2 b c)+\frac{1}{5} c^3 x^5 (4 a d+b c)+\frac{1}{17} d^3 x^{17} (a d+4 b c)+\frac{2}{13} c d^2 x^{13} (2 a d+3 b c)+a c^4 x+\frac{1}{21} b d^4 x^{21} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.001, size = 97, normalized size = 1. \begin{align*}{\frac{b{d}^{4}{x}^{21}}{21}}+{\frac{ \left ( a{d}^{4}+4\,bc{d}^{3} \right ){x}^{17}}{17}}+{\frac{ \left ( 4\,ac{d}^{3}+6\,{c}^{2}{d}^{2}b \right ){x}^{13}}{13}}+{\frac{ \left ( 6\,a{c}^{2}{d}^{2}+4\,{c}^{3}db \right ){x}^{9}}{9}}+{\frac{ \left ( 4\,a{c}^{3}d+b{c}^{4} \right ){x}^{5}}{5}}+a{c}^{4}x \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A] time = 0.942229, size = 130, normalized size = 1.38 \begin{align*} \frac{1}{21} \, b d^{4} x^{21} + \frac{1}{17} \,{\left (4 \, b c d^{3} + a d^{4}\right )} x^{17} + \frac{2}{13} \,{\left (3 \, b c^{2} d^{2} + 2 \, a c d^{3}\right )} x^{13} + \frac{2}{9} \,{\left (2 \, b c^{3} d + 3 \, a c^{2} d^{2}\right )} x^{9} + a c^{4} x + \frac{1}{5} \,{\left (b c^{4} + 4 \, a c^{3} d\right )} x^{5} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 1.09905, size = 242, normalized size = 2.57 \begin{align*} \frac{1}{21} x^{21} d^{4} b + \frac{4}{17} x^{17} d^{3} c b + \frac{1}{17} x^{17} d^{4} a + \frac{6}{13} x^{13} d^{2} c^{2} b + \frac{4}{13} x^{13} d^{3} c a + \frac{4}{9} x^{9} d c^{3} b + \frac{2}{3} x^{9} d^{2} c^{2} a + \frac{1}{5} x^{5} c^{4} b + \frac{4}{5} x^{5} d c^{3} a + x c^{4} a \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A] time = 0.079749, size = 107, normalized size = 1.14 \begin{align*} a c^{4} x + \frac{b d^{4} x^{21}}{21} + x^{17} \left (\frac{a d^{4}}{17} + \frac{4 b c d^{3}}{17}\right ) + x^{13} \left (\frac{4 a c d^{3}}{13} + \frac{6 b c^{2} d^{2}}{13}\right ) + x^{9} \left (\frac{2 a c^{2} d^{2}}{3} + \frac{4 b c^{3} d}{9}\right ) + x^{5} \left (\frac{4 a c^{3} d}{5} + \frac{b c^{4}}{5}\right ) \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A] time = 1.10633, size = 132, normalized size = 1.4 \begin{align*} \frac{1}{21} \, b d^{4} x^{21} + \frac{4}{17} \, b c d^{3} x^{17} + \frac{1}{17} \, a d^{4} x^{17} + \frac{6}{13} \, b c^{2} d^{2} x^{13} + \frac{4}{13} \, a c d^{3} x^{13} + \frac{4}{9} \, b c^{3} d x^{9} + \frac{2}{3} \, a c^{2} d^{2} x^{9} + \frac{1}{5} \, b c^{4} x^{5} + \frac{4}{5} \, a c^{3} d x^{5} + a c^{4} x \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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