Optimal. Leaf size=108 \[ \frac {5 b^{3/2} \left (1-\frac {b x^4}{a}\right )^{3/4} F\left (\left .\frac {1}{2} \sin ^{-1}\left (\frac {\sqrt {b} x^2}{\sqrt {a}}\right )\right |2\right )}{12 a^{3/2} \left (a-b x^4\right )^{3/4}}-\frac {5 b \sqrt [4]{a-b x^4}}{12 a^2 x^2}-\frac {\sqrt [4]{a-b x^4}}{6 a x^6} \]
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Rubi [A] time = 0.07, antiderivative size = 108, normalized size of antiderivative = 1.00, number of steps used = 5, number of rules used = 4, integrand size = 16, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.250, Rules used = {275, 325, 233, 232} \[ \frac {5 b^{3/2} \left (1-\frac {b x^4}{a}\right )^{3/4} F\left (\left .\frac {1}{2} \sin ^{-1}\left (\frac {\sqrt {b} x^2}{\sqrt {a}}\right )\right |2\right )}{12 a^{3/2} \left (a-b x^4\right )^{3/4}}-\frac {5 b \sqrt [4]{a-b x^4}}{12 a^2 x^2}-\frac {\sqrt [4]{a-b x^4}}{6 a x^6} \]
Antiderivative was successfully verified.
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Rule 232
Rule 233
Rule 275
Rule 325
Rubi steps
\begin {align*} \int \frac {1}{x^7 \left (a-b x^4\right )^{3/4}} \, dx &=\frac {1}{2} \operatorname {Subst}\left (\int \frac {1}{x^4 \left (a-b x^2\right )^{3/4}} \, dx,x,x^2\right )\\ &=-\frac {\sqrt [4]{a-b x^4}}{6 a x^6}+\frac {(5 b) \operatorname {Subst}\left (\int \frac {1}{x^2 \left (a-b x^2\right )^{3/4}} \, dx,x,x^2\right )}{12 a}\\ &=-\frac {\sqrt [4]{a-b x^4}}{6 a x^6}-\frac {5 b \sqrt [4]{a-b x^4}}{12 a^2 x^2}+\frac {\left (5 b^2\right ) \operatorname {Subst}\left (\int \frac {1}{\left (a-b x^2\right )^{3/4}} \, dx,x,x^2\right )}{24 a^2}\\ &=-\frac {\sqrt [4]{a-b x^4}}{6 a x^6}-\frac {5 b \sqrt [4]{a-b x^4}}{12 a^2 x^2}+\frac {\left (5 b^2 \left (1-\frac {b x^4}{a}\right )^{3/4}\right ) \operatorname {Subst}\left (\int \frac {1}{\left (1-\frac {b x^2}{a}\right )^{3/4}} \, dx,x,x^2\right )}{24 a^2 \left (a-b x^4\right )^{3/4}}\\ &=-\frac {\sqrt [4]{a-b x^4}}{6 a x^6}-\frac {5 b \sqrt [4]{a-b x^4}}{12 a^2 x^2}+\frac {5 b^{3/2} \left (1-\frac {b x^4}{a}\right )^{3/4} F\left (\left .\frac {1}{2} \sin ^{-1}\left (\frac {\sqrt {b} x^2}{\sqrt {a}}\right )\right |2\right )}{12 a^{3/2} \left (a-b x^4\right )^{3/4}}\\ \end {align*}
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Mathematica [C] time = 0.01, size = 52, normalized size = 0.48 \[ -\frac {\left (1-\frac {b x^4}{a}\right )^{3/4} \, _2F_1\left (-\frac {3}{2},\frac {3}{4};-\frac {1}{2};\frac {b x^4}{a}\right )}{6 x^6 \left (a-b x^4\right )^{3/4}} \]
Antiderivative was successfully verified.
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fricas [F] time = 0.62, size = 0, normalized size = 0.00 \[ {\rm integral}\left (-\frac {{\left (-b x^{4} + a\right )}^{\frac {1}{4}}}{b x^{11} - a x^{7}}, x\right ) \]
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 \[ \int \frac {1}{{\left (-b x^{4} + a\right )}^{\frac {3}{4}} x^{7}}\,{d x} \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [F] time = 0.04, size = 0, normalized size = 0.00 \[ \int \frac {1}{\left (-b \,x^{4}+a \right )^{\frac {3}{4}} x^{7}}\, dx \]
Verification of antiderivative is not currently implemented for this CAS.
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maxima [F] time = 0.00, size = 0, normalized size = 0.00 \[ \int \frac {1}{{\left (-b x^{4} + a\right )}^{\frac {3}{4}} x^{7}}\,{d x} \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [F] time = 0.00, size = -1, normalized size = -0.01 \[ \int \frac {1}{x^7\,{\left (a-b\,x^4\right )}^{3/4}} \,d x \]
Verification of antiderivative is not currently implemented for this CAS.
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sympy [C] time = 2.77, size = 34, normalized size = 0.31 \[ - \frac {{{}_{2}F_{1}\left (\begin {matrix} - \frac {3}{2}, \frac {3}{4} \\ - \frac {1}{2} \end {matrix}\middle | {\frac {b x^{4} e^{2 i \pi }}{a}} \right )}}{6 a^{\frac {3}{4}} x^{6}} \]
Verification of antiderivative is not currently implemented for this CAS.
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