Optimal. Leaf size=28 \[ \frac {1}{5} x^5 (a d+b c)+a c x+\frac {1}{9} b d x^9 \]
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Rubi [A] time = 0.01, antiderivative size = 28, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 1, integrand size = 15, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.067, Rules used = {373} \[ \frac {1}{5} x^5 (a d+b c)+a c x+\frac {1}{9} b d x^9 \]
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 ) \, dx &=\int \left (a c+(b c+a d) x^4+b d x^8\right ) \, dx\\ &=a c x+\frac {1}{5} (b c+a d) x^5+\frac {1}{9} b d x^9\\ \end {align*}
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Mathematica [A] time = 0.01, size = 28, normalized size = 1.00 \[ \frac {1}{5} x^5 (a d+b c)+a c x+\frac {1}{9} b d x^9 \]
Antiderivative was successfully verified.
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fricas [A] time = 0.84, size = 26, normalized size = 0.93 \[ \frac {1}{9} x^{9} d b + \frac {1}{5} x^{5} c b + \frac {1}{5} x^{5} d a + x c a \]
Verification of antiderivative is not currently implemented for this CAS.
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giac [A] time = 0.15, size = 26, normalized size = 0.93 \[ \frac {1}{9} \, b d x^{9} + \frac {1}{5} \, b c x^{5} + \frac {1}{5} \, a d x^{5} + a c x \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [A] time = 0.04, size = 25, normalized size = 0.89 \[ \frac {b d \,x^{9}}{9}+\frac {\left (a d +b c \right ) x^{5}}{5}+a c x \]
Verification of antiderivative is not currently implemented for this CAS.
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maxima [A] time = 0.49, size = 24, normalized size = 0.86 \[ \frac {1}{9} \, b d x^{9} + \frac {1}{5} \, {\left (b c + a d\right )} x^{5} + a c x \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 0.04, size = 25, normalized size = 0.89 \[ \frac {b\,d\,x^9}{9}+\left (\frac {a\,d}{5}+\frac {b\,c}{5}\right )\,x^5+a\,c\,x \]
Verification of antiderivative is not currently implemented for this CAS.
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sympy [A] time = 0.06, size = 26, normalized size = 0.93 \[ a c x + \frac {b d x^{9}}{9} + x^{5} \left (\frac {a d}{5} + \frac {b c}{5}\right ) \]
Verification of antiderivative is not currently implemented for this CAS.
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