Optimal. Leaf size=42 \[ -\frac {1}{3 a x^3 \sqrt [4]{a+b x^4}}-\frac {4 b x}{3 a^2 \sqrt [4]{a+b x^4}} \]
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Rubi [A]
time = 0.01, antiderivative size = 42, normalized size of antiderivative = 1.00, number of steps
used = 2, number of rules used = 2, integrand size = 15, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.133, Rules used = {277, 197}
\begin {gather*} -\frac {4 b x}{3 a^2 \sqrt [4]{a+b x^4}}-\frac {1}{3 a x^3 \sqrt [4]{a+b x^4}} \end {gather*}
Antiderivative was successfully verified.
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Rule 197
Rule 277
Rubi steps
\begin {align*} \int \frac {1}{x^4 \left (a+b x^4\right )^{5/4}} \, dx &=-\frac {1}{3 a x^3 \sqrt [4]{a+b x^4}}-\frac {(4 b) \int \frac {1}{\left (a+b x^4\right )^{5/4}} \, dx}{3 a}\\ &=-\frac {1}{3 a x^3 \sqrt [4]{a+b x^4}}-\frac {4 b x}{3 a^2 \sqrt [4]{a+b x^4}}\\ \end {align*}
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Mathematica [A]
time = 0.22, size = 31, normalized size = 0.74 \begin {gather*} \frac {-a-4 b x^4}{3 a^2 x^3 \sqrt [4]{a+b x^4}} \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 0.16, size = 26, normalized size = 0.62
method | result | size |
gosper | \(-\frac {4 b \,x^{4}+a}{3 x^{3} \left (b \,x^{4}+a \right )^{\frac {1}{4}} a^{2}}\) | \(26\) |
trager | \(-\frac {4 b \,x^{4}+a}{3 x^{3} \left (b \,x^{4}+a \right )^{\frac {1}{4}} a^{2}}\) | \(26\) |
risch | \(-\frac {\left (b \,x^{4}+a \right )^{\frac {3}{4}}}{3 a^{2} x^{3}}-\frac {b x}{a^{2} \left (b \,x^{4}+a \right )^{\frac {1}{4}}}\) | \(35\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A]
time = 0.30, size = 34, normalized size = 0.81 \begin {gather*} -\frac {b x}{{\left (b x^{4} + a\right )}^{\frac {1}{4}} a^{2}} - \frac {{\left (b x^{4} + a\right )}^{\frac {3}{4}}}{3 \, a^{2} x^{3}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 0.40, size = 37, normalized size = 0.88 \begin {gather*} -\frac {{\left (4 \, b x^{4} + a\right )} {\left (b x^{4} + a\right )}^{\frac {3}{4}}}{3 \, {\left (a^{2} b x^{7} + a^{3} x^{3}\right )}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A]
time = 0.53, size = 68, normalized size = 1.62 \begin {gather*} \frac {\Gamma \left (- \frac {3}{4}\right )}{16 a \sqrt [4]{b} x^{4} \sqrt [4]{\frac {a}{b x^{4}} + 1} \Gamma \left (\frac {5}{4}\right )} + \frac {b^{\frac {3}{4}} \Gamma \left (- \frac {3}{4}\right )}{4 a^{2} \sqrt [4]{\frac {a}{b x^{4}} + 1} \Gamma \left (\frac {5}{4}\right )} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [F]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {could not integrate} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 1.16, size = 25, normalized size = 0.60 \begin {gather*} -\frac {4\,b\,x^4+a}{3\,a^2\,x^3\,{\left (b\,x^4+a\right )}^{1/4}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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