Integrand size = 26, antiderivative size = 144 \[ \int \frac {c+d x^2}{(e x)^{9/2} \left (a+b x^2\right )^{3/4}} \, dx=-\frac {2 c \sqrt [4]{a+b x^2}}{7 a e (e x)^{7/2}}+\frac {2 (6 b c-7 a d) \sqrt [4]{a+b x^2}}{21 a^2 e^3 (e x)^{3/2}}-\frac {4 b^{3/2} (6 b c-7 a d) \left (1+\frac {a}{b x^2}\right )^{3/4} (e x)^{3/2} \operatorname {EllipticF}\left (\frac {1}{2} \cot ^{-1}\left (\frac {\sqrt {b} x}{\sqrt {a}}\right ),2\right )}{21 a^{5/2} e^6 \left (a+b x^2\right )^{3/4}} \]
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Time = 0.08 (sec) , antiderivative size = 144, normalized size of antiderivative = 1.00, number of steps used = 7, number of rules used = 7, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.269, Rules used = {464, 331, 335, 243, 342, 281, 237} \[ \int \frac {c+d x^2}{(e x)^{9/2} \left (a+b x^2\right )^{3/4}} \, dx=-\frac {4 b^{3/2} (e x)^{3/2} \left (\frac {a}{b x^2}+1\right )^{3/4} (6 b c-7 a d) \operatorname {EllipticF}\left (\frac {1}{2} \cot ^{-1}\left (\frac {\sqrt {b} x}{\sqrt {a}}\right ),2\right )}{21 a^{5/2} e^6 \left (a+b x^2\right )^{3/4}}+\frac {2 \sqrt [4]{a+b x^2} (6 b c-7 a d)}{21 a^2 e^3 (e x)^{3/2}}-\frac {2 c \sqrt [4]{a+b x^2}}{7 a e (e x)^{7/2}} \]
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Rule 237
Rule 243
Rule 281
Rule 331
Rule 335
Rule 342
Rule 464
Rubi steps \begin{align*} \text {integral}& = -\frac {2 c \sqrt [4]{a+b x^2}}{7 a e (e x)^{7/2}}-\frac {(6 b c-7 a d) \int \frac {1}{(e x)^{5/2} \left (a+b x^2\right )^{3/4}} \, dx}{7 a e^2} \\ & = -\frac {2 c \sqrt [4]{a+b x^2}}{7 a e (e x)^{7/2}}+\frac {2 (6 b c-7 a d) \sqrt [4]{a+b x^2}}{21 a^2 e^3 (e x)^{3/2}}+\frac {(2 b (6 b c-7 a d)) \int \frac {1}{\sqrt {e x} \left (a+b x^2\right )^{3/4}} \, dx}{21 a^2 e^4} \\ & = -\frac {2 c \sqrt [4]{a+b x^2}}{7 a e (e x)^{7/2}}+\frac {2 (6 b c-7 a d) \sqrt [4]{a+b x^2}}{21 a^2 e^3 (e x)^{3/2}}+\frac {(4 b (6 b c-7 a d)) \text {Subst}\left (\int \frac {1}{\left (a+\frac {b x^4}{e^2}\right )^{3/4}} \, dx,x,\sqrt {e x}\right )}{21 a^2 e^5} \\ & = -\frac {2 c \sqrt [4]{a+b x^2}}{7 a e (e x)^{7/2}}+\frac {2 (6 b c-7 a d) \sqrt [4]{a+b x^2}}{21 a^2 e^3 (e x)^{3/2}}+\frac {\left (4 b (6 b c-7 a d) \left (1+\frac {a}{b x^2}\right )^{3/4} (e x)^{3/2}\right ) \text {Subst}\left (\int \frac {1}{\left (1+\frac {a e^2}{b x^4}\right )^{3/4} x^3} \, dx,x,\sqrt {e x}\right )}{21 a^2 e^5 \left (a+b x^2\right )^{3/4}} \\ & = -\frac {2 c \sqrt [4]{a+b x^2}}{7 a e (e x)^{7/2}}+\frac {2 (6 b c-7 a d) \sqrt [4]{a+b x^2}}{21 a^2 e^3 (e x)^{3/2}}-\frac {\left (4 b (6 b c-7 a d) \left (1+\frac {a}{b x^2}\right )^{3/4} (e x)^{3/2}\right ) \text {Subst}\left (\int \frac {x}{\left (1+\frac {a e^2 x^4}{b}\right )^{3/4}} \, dx,x,\frac {1}{\sqrt {e x}}\right )}{21 a^2 e^5 \left (a+b x^2\right )^{3/4}} \\ & = -\frac {2 c \sqrt [4]{a+b x^2}}{7 a e (e x)^{7/2}}+\frac {2 (6 b c-7 a d) \sqrt [4]{a+b x^2}}{21 a^2 e^3 (e x)^{3/2}}-\frac {\left (2 b (6 b c-7 a d) \left (1+\frac {a}{b x^2}\right )^{3/4} (e x)^{3/2}\right ) \text {Subst}\left (\int \frac {1}{\left (1+\frac {a e^2 x^2}{b}\right )^{3/4}} \, dx,x,\frac {1}{e x}\right )}{21 a^2 e^5 \left (a+b x^2\right )^{3/4}} \\ & = -\frac {2 c \sqrt [4]{a+b x^2}}{7 a e (e x)^{7/2}}+\frac {2 (6 b c-7 a d) \sqrt [4]{a+b x^2}}{21 a^2 e^3 (e x)^{3/2}}-\frac {4 b^{3/2} (6 b c-7 a d) \left (1+\frac {a}{b x^2}\right )^{3/4} (e x)^{3/2} F\left (\left .\frac {1}{2} \cot ^{-1}\left (\frac {\sqrt {b} x}{\sqrt {a}}\right )\right |2\right )}{21 a^{5/2} e^6 \left (a+b x^2\right )^{3/4}} \\ \end{align*}
Result contains higher order function than in optimal. Order 5 vs. order 4 in optimal.
Time = 10.06 (sec) , antiderivative size = 88, normalized size of antiderivative = 0.61 \[ \int \frac {c+d x^2}{(e x)^{9/2} \left (a+b x^2\right )^{3/4}} \, dx=-\frac {2 \sqrt {e x} \left (3 c \left (a+b x^2\right )+(-6 b c+7 a d) x^2 \left (1+\frac {b x^2}{a}\right )^{3/4} \operatorname {Hypergeometric2F1}\left (-\frac {3}{4},\frac {3}{4},\frac {1}{4},-\frac {b x^2}{a}\right )\right )}{21 a e^5 x^4 \left (a+b x^2\right )^{3/4}} \]
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\[\int \frac {d \,x^{2}+c}{\left (e x \right )^{\frac {9}{2}} \left (b \,x^{2}+a \right )^{\frac {3}{4}}}d x\]
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\[ \int \frac {c+d x^2}{(e x)^{9/2} \left (a+b x^2\right )^{3/4}} \, dx=\int { \frac {d x^{2} + c}{{\left (b x^{2} + a\right )}^{\frac {3}{4}} \left (e x\right )^{\frac {9}{2}}} \,d x } \]
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Result contains complex when optimal does not.
Time = 100.43 (sec) , antiderivative size = 85, normalized size of antiderivative = 0.59 \[ \int \frac {c+d x^2}{(e x)^{9/2} \left (a+b x^2\right )^{3/4}} \, dx=- \frac {c {{}_{2}F_{1}\left (\begin {matrix} \frac {3}{4}, \frac {5}{2} \\ \frac {7}{2} \end {matrix}\middle | {\frac {a e^{i \pi }}{b x^{2}}} \right )}}{5 b^{\frac {3}{4}} e^{\frac {9}{2}} x^{5}} + \frac {d \Gamma \left (- \frac {3}{4}\right ) {{}_{2}F_{1}\left (\begin {matrix} - \frac {3}{4}, \frac {3}{4} \\ \frac {1}{4} \end {matrix}\middle | {\frac {b x^{2} e^{i \pi }}{a}} \right )}}{2 a^{\frac {3}{4}} e^{\frac {9}{2}} x^{\frac {3}{2}} \Gamma \left (\frac {1}{4}\right )} \]
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\[ \int \frac {c+d x^2}{(e x)^{9/2} \left (a+b x^2\right )^{3/4}} \, dx=\int { \frac {d x^{2} + c}{{\left (b x^{2} + a\right )}^{\frac {3}{4}} \left (e x\right )^{\frac {9}{2}}} \,d x } \]
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\[ \int \frac {c+d x^2}{(e x)^{9/2} \left (a+b x^2\right )^{3/4}} \, dx=\int { \frac {d x^{2} + c}{{\left (b x^{2} + a\right )}^{\frac {3}{4}} \left (e x\right )^{\frac {9}{2}}} \,d x } \]
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Timed out. \[ \int \frac {c+d x^2}{(e x)^{9/2} \left (a+b x^2\right )^{3/4}} \, dx=\int \frac {d\,x^2+c}{{\left (e\,x\right )}^{9/2}\,{\left (b\,x^2+a\right )}^{3/4}} \,d x \]
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