Optimal. Leaf size=111 \[ -\frac {14 a^{5/2} \sqrt [4]{\frac {b x^2}{a}+1} E\left (\left .\frac {1}{2} \tan ^{-1}\left (\frac {\sqrt {b} x}{\sqrt {a}}\right )\right |2\right )}{15 \sqrt {b} \sqrt [4]{a+b x^2}}+\frac {14 a^2 x}{15 \sqrt [4]{a+b x^2}}+\frac {14}{45} a x \left (a+b x^2\right )^{3/4}+\frac {2}{9} x \left (a+b x^2\right )^{7/4} \]
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Rubi [A] time = 0.03, antiderivative size = 111, normalized size of antiderivative = 1.00, number of steps used = 5, number of rules used = 4, integrand size = 11, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.364, Rules used = {195, 229, 227, 196} \[ \frac {14 a^2 x}{15 \sqrt [4]{a+b x^2}}-\frac {14 a^{5/2} \sqrt [4]{\frac {b x^2}{a}+1} E\left (\left .\frac {1}{2} \tan ^{-1}\left (\frac {\sqrt {b} x}{\sqrt {a}}\right )\right |2\right )}{15 \sqrt {b} \sqrt [4]{a+b x^2}}+\frac {14}{45} a x \left (a+b x^2\right )^{3/4}+\frac {2}{9} x \left (a+b x^2\right )^{7/4} \]
Antiderivative was successfully verified.
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Rule 195
Rule 196
Rule 227
Rule 229
Rubi steps
\begin {align*} \int \left (a+b x^2\right )^{7/4} \, dx &=\frac {2}{9} x \left (a+b x^2\right )^{7/4}+\frac {1}{9} (7 a) \int \left (a+b x^2\right )^{3/4} \, dx\\ &=\frac {14}{45} a x \left (a+b x^2\right )^{3/4}+\frac {2}{9} x \left (a+b x^2\right )^{7/4}+\frac {1}{15} \left (7 a^2\right ) \int \frac {1}{\sqrt [4]{a+b x^2}} \, dx\\ &=\frac {14}{45} a x \left (a+b x^2\right )^{3/4}+\frac {2}{9} x \left (a+b x^2\right )^{7/4}+\frac {\left (7 a^2 \sqrt [4]{1+\frac {b x^2}{a}}\right ) \int \frac {1}{\sqrt [4]{1+\frac {b x^2}{a}}} \, dx}{15 \sqrt [4]{a+b x^2}}\\ &=\frac {14 a^2 x}{15 \sqrt [4]{a+b x^2}}+\frac {14}{45} a x \left (a+b x^2\right )^{3/4}+\frac {2}{9} x \left (a+b x^2\right )^{7/4}-\frac {\left (7 a^2 \sqrt [4]{1+\frac {b x^2}{a}}\right ) \int \frac {1}{\left (1+\frac {b x^2}{a}\right )^{5/4}} \, dx}{15 \sqrt [4]{a+b x^2}}\\ &=\frac {14 a^2 x}{15 \sqrt [4]{a+b x^2}}+\frac {14}{45} a x \left (a+b x^2\right )^{3/4}+\frac {2}{9} x \left (a+b x^2\right )^{7/4}-\frac {14 a^{5/2} \sqrt [4]{1+\frac {b x^2}{a}} E\left (\left .\frac {1}{2} \tan ^{-1}\left (\frac {\sqrt {b} x}{\sqrt {a}}\right )\right |2\right )}{15 \sqrt {b} \sqrt [4]{a+b x^2}}\\ \end {align*}
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Mathematica [C] time = 0.01, size = 47, normalized size = 0.42 \[ \frac {a x \left (a+b x^2\right )^{3/4} \, _2F_1\left (-\frac {7}{4},\frac {1}{2};\frac {3}{2};-\frac {b x^2}{a}\right )}{\left (\frac {b x^2}{a}+1\right )^{3/4}} \]
Antiderivative was successfully verified.
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fricas [F] time = 0.69, size = 0, normalized size = 0.00 \[ {\rm integral}\left ({\left (b x^{2} + a\right )}^{\frac {7}{4}}, x\right ) \]
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 \[ \int {\left (b x^{2} + a\right )}^{\frac {7}{4}}\,{d x} \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [F] time = 0.30, size = 0, normalized size = 0.00 \[ \int \left (b \,x^{2}+a \right )^{\frac {7}{4}}\, dx \]
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 \[ \int {\left (b x^{2} + a\right )}^{\frac {7}{4}}\,{d x} \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 4.82, size = 37, normalized size = 0.33 \[ \frac {x\,{\left (b\,x^2+a\right )}^{7/4}\,{{}}_2{\mathrm {F}}_1\left (-\frac {7}{4},\frac {1}{2};\ \frac {3}{2};\ -\frac {b\,x^2}{a}\right )}{{\left (\frac {b\,x^2}{a}+1\right )}^{7/4}} \]
Verification of antiderivative is not currently implemented for this CAS.
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sympy [C] time = 1.54, size = 26, normalized size = 0.23 \[ a^{\frac {7}{4}} x {{}_{2}F_{1}\left (\begin {matrix} - \frac {7}{4}, \frac {1}{2} \\ \frac {3}{2} \end {matrix}\middle | {\frac {b x^{2} e^{i \pi }}{a}} \right )} \]
Verification of antiderivative is not currently implemented for this CAS.
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