Optimal. Leaf size=28 \[ -\frac {a^2}{x}+\frac {2}{3} a b x^3+\frac {b^2 x^7}{7} \]
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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 = 13, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.077, Rules used = {276}
\begin {gather*} -\frac {a^2}{x}+\frac {2}{3} a b x^3+\frac {b^2 x^7}{7} \end {gather*}
Antiderivative was successfully verified.
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Rule 276
Rubi steps
\begin {align*} \int \frac {\left (a+b x^4\right )^2}{x^2} \, dx &=\int \left (\frac {a^2}{x^2}+2 a b x^2+b^2 x^6\right ) \, dx\\ &=-\frac {a^2}{x}+\frac {2}{3} a b x^3+\frac {b^2 x^7}{7}\\ \end {align*}
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Mathematica [A]
time = 0.00, size = 28, normalized size = 1.00 \begin {gather*} -\frac {a^2}{x}+\frac {2}{3} a b x^3+\frac {b^2 x^7}{7} \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 0.13, size = 25, normalized size = 0.89
method | result | size |
default | \(-\frac {a^{2}}{x}+\frac {2 a b \,x^{3}}{3}+\frac {b^{2} x^{7}}{7}\) | \(25\) |
risch | \(-\frac {a^{2}}{x}+\frac {2 a b \,x^{3}}{3}+\frac {b^{2} x^{7}}{7}\) | \(25\) |
norman | \(\frac {\frac {1}{7} b^{2} x^{8}+\frac {2}{3} a b \,x^{4}-a^{2}}{x}\) | \(26\) |
gosper | \(-\frac {-3 b^{2} x^{8}-14 a b \,x^{4}+21 a^{2}}{21 x}\) | \(27\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A]
time = 0.29, size = 24, normalized size = 0.86 \begin {gather*} \frac {1}{7} \, b^{2} x^{7} + \frac {2}{3} \, a b x^{3} - \frac {a^{2}}{x} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 0.35, size = 26, normalized size = 0.93 \begin {gather*} \frac {3 \, b^{2} x^{8} + 14 \, a b x^{4} - 21 \, a^{2}}{21 \, x} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A]
time = 0.02, size = 22, normalized size = 0.79 \begin {gather*} - \frac {a^{2}}{x} + \frac {2 a b x^{3}}{3} + \frac {b^{2} x^{7}}{7} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A]
time = 0.62, size = 24, normalized size = 0.86 \begin {gather*} \frac {1}{7} \, b^{2} x^{7} + \frac {2}{3} \, a b x^{3} - \frac {a^{2}}{x} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 0.03, size = 25, normalized size = 0.89 \begin {gather*} \frac {-a^2+\frac {2\,a\,b\,x^4}{3}+\frac {b^2\,x^8}{7}}{x} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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