Integrand size = 22, antiderivative size = 563 \[ \int \frac {1}{\left (d+e x^2\right )^4 \sqrt {a-c x^4}} \, dx=-\frac {e^2 x \sqrt {a-c x^4}}{6 d \left (c d^2-a e^2\right ) \left (d+e x^2\right )^3}-\frac {5 e^2 \left (3 c d^2-a e^2\right ) x \sqrt {a-c x^4}}{24 d^2 \left (c d^2-a e^2\right )^2 \left (d+e x^2\right )^2}-\frac {e^2 \left (29 c^2 d^4-14 a c d^2 e^2+5 a^2 e^4\right ) x \sqrt {a-c x^4}}{16 d^3 \left (c d^2-a e^2\right )^3 \left (d+e x^2\right )}-\frac {a^{3/4} \sqrt [4]{c} e \left (29 c^2 d^4-14 a c d^2 e^2+5 a^2 e^4\right ) \sqrt {1-\frac {c x^4}{a}} E\left (\left .\arcsin \left (\frac {\sqrt [4]{c} x}{\sqrt [4]{a}}\right )\right |-1\right )}{16 d^3 \left (c d^2-a e^2\right )^3 \sqrt {a-c x^4}}-\frac {\sqrt [4]{a} \sqrt [4]{c} \left (57 c^2 d^4-30 \sqrt {a} c^{3/2} d^3 e-32 a c d^2 e^2+10 a^{3/2} \sqrt {c} d e^3+15 a^2 e^4\right ) \sqrt {1-\frac {c x^4}{a}} \operatorname {EllipticF}\left (\arcsin \left (\frac {\sqrt [4]{c} x}{\sqrt [4]{a}}\right ),-1\right )}{48 d^3 \left (\sqrt {c} d-\sqrt {a} e\right )^2 \left (\sqrt {c} d+\sqrt {a} e\right )^3 \sqrt {a-c x^4}}+\frac {\sqrt [4]{a} \left (35 c^3 d^6-7 a c^2 d^4 e^2+17 a^2 c d^2 e^4-5 a^3 e^6\right ) \sqrt {1-\frac {c x^4}{a}} \operatorname {EllipticPi}\left (-\frac {\sqrt {a} e}{\sqrt {c} d},\arcsin \left (\frac {\sqrt [4]{c} x}{\sqrt [4]{a}}\right ),-1\right )}{16 \sqrt [4]{c} d^4 \left (c d^2-a e^2\right )^3 \sqrt {a-c x^4}} \]
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Time = 0.72 (sec) , antiderivative size = 563, normalized size of antiderivative = 1.00, number of steps used = 12, number of rules used = 11, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.500, Rules used = {1238, 1711, 1731, 1215, 230, 227, 1214, 1213, 435, 1233, 1232} \[ \int \frac {1}{\left (d+e x^2\right )^4 \sqrt {a-c x^4}} \, dx=-\frac {e^2 x \sqrt {a-c x^4} \left (5 a^2 e^4-14 a c d^2 e^2+29 c^2 d^4\right )}{16 d^3 \left (d+e x^2\right ) \left (c d^2-a e^2\right )^3}-\frac {a^{3/4} \sqrt [4]{c} e \sqrt {1-\frac {c x^4}{a}} \left (5 a^2 e^4-14 a c d^2 e^2+29 c^2 d^4\right ) E\left (\left .\arcsin \left (\frac {\sqrt [4]{c} x}{\sqrt [4]{a}}\right )\right |-1\right )}{16 d^3 \sqrt {a-c x^4} \left (c d^2-a e^2\right )^3}-\frac {\sqrt [4]{a} \sqrt [4]{c} \sqrt {1-\frac {c x^4}{a}} \left (10 a^{3/2} \sqrt {c} d e^3+15 a^2 e^4-30 \sqrt {a} c^{3/2} d^3 e-32 a c d^2 e^2+57 c^2 d^4\right ) \operatorname {EllipticF}\left (\arcsin \left (\frac {\sqrt [4]{c} x}{\sqrt [4]{a}}\right ),-1\right )}{48 d^3 \sqrt {a-c x^4} \left (\sqrt {c} d-\sqrt {a} e\right )^2 \left (\sqrt {a} e+\sqrt {c} d\right )^3}+\frac {\sqrt [4]{a} \sqrt {1-\frac {c x^4}{a}} \left (-5 a^3 e^6+17 a^2 c d^2 e^4-7 a c^2 d^4 e^2+35 c^3 d^6\right ) \operatorname {EllipticPi}\left (-\frac {\sqrt {a} e}{\sqrt {c} d},\arcsin \left (\frac {\sqrt [4]{c} x}{\sqrt [4]{a}}\right ),-1\right )}{16 \sqrt [4]{c} d^4 \sqrt {a-c x^4} \left (c d^2-a e^2\right )^3}-\frac {5 e^2 x \sqrt {a-c x^4} \left (3 c d^2-a e^2\right )}{24 d^2 \left (d+e x^2\right )^2 \left (c d^2-a e^2\right )^2}-\frac {e^2 x \sqrt {a-c x^4}}{6 d \left (d+e x^2\right )^3 \left (c d^2-a e^2\right )} \]
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Rule 227
Rule 230
Rule 435
Rule 1213
Rule 1214
Rule 1215
Rule 1232
Rule 1233
Rule 1238
Rule 1711
Rule 1731
Rubi steps \begin{align*} \text {integral}& = -\frac {e^2 x \sqrt {a-c x^4}}{6 d \left (c d^2-a e^2\right ) \left (d+e x^2\right )^3}+\frac {\int \frac {6 c d^2-5 a e^2-6 c d e x^2+3 c e^2 x^4}{\left (d+e x^2\right )^3 \sqrt {a-c x^4}} \, dx}{6 d \left (c d^2-a e^2\right )} \\ & = -\frac {e^2 x \sqrt {a-c x^4}}{6 d \left (c d^2-a e^2\right ) \left (d+e x^2\right )^3}-\frac {5 e^2 \left (3 c d^2-a e^2\right ) x \sqrt {a-c x^4}}{24 d^2 \left (c d^2-a e^2\right )^2 \left (d+e x^2\right )^2}+\frac {\int \frac {24 c^2 d^4-29 a c d^2 e^2+15 a^2 e^4-8 c d e \left (6 c d^2-a e^2\right ) x^2+5 c e^2 \left (3 c d^2-a e^2\right ) x^4}{\left (d+e x^2\right )^2 \sqrt {a-c x^4}} \, dx}{24 d^2 \left (c d^2-a e^2\right )^2} \\ & = -\frac {e^2 x \sqrt {a-c x^4}}{6 d \left (c d^2-a e^2\right ) \left (d+e x^2\right )^3}-\frac {5 e^2 \left (3 c d^2-a e^2\right ) x \sqrt {a-c x^4}}{24 d^2 \left (c d^2-a e^2\right )^2 \left (d+e x^2\right )^2}-\frac {e^2 \left (29 c^2 d^4-14 a c d^2 e^2+5 a^2 e^4\right ) x \sqrt {a-c x^4}}{16 d^3 \left (c d^2-a e^2\right )^3 \left (d+e x^2\right )}+\frac {\int \frac {48 c^3 d^6-19 a c^2 d^4 e^2+46 a^2 c d^2 e^4-15 a^3 e^6-4 c d e \left (36 c^2 d^4-11 a c d^2 e^2+5 a^2 e^4\right ) x^2-3 c e^2 \left (29 c^2 d^4-14 a c d^2 e^2+5 a^2 e^4\right ) x^4}{\left (d+e x^2\right ) \sqrt {a-c x^4}} \, dx}{48 d^3 \left (c d^2-a e^2\right )^3} \\ & = -\frac {e^2 x \sqrt {a-c x^4}}{6 d \left (c d^2-a e^2\right ) \left (d+e x^2\right )^3}-\frac {5 e^2 \left (3 c d^2-a e^2\right ) x \sqrt {a-c x^4}}{24 d^2 \left (c d^2-a e^2\right )^2 \left (d+e x^2\right )^2}-\frac {e^2 \left (29 c^2 d^4-14 a c d^2 e^2+5 a^2 e^4\right ) x \sqrt {a-c x^4}}{16 d^3 \left (c d^2-a e^2\right )^3 \left (d+e x^2\right )}-\frac {\int \frac {-3 c d e^2 \left (29 c^2 d^4-14 a c d^2 e^2+5 a^2 e^4\right )+4 c d e^2 \left (36 c^2 d^4-11 a c d^2 e^2+5 a^2 e^4\right )+3 c e^3 \left (29 c^2 d^4-14 a c d^2 e^2+5 a^2 e^4\right ) x^2}{\sqrt {a-c x^4}} \, dx}{48 d^3 e^2 \left (c d^2-a e^2\right )^3}+\frac {\left (35 c^3 d^6-7 a c^2 d^4 e^2+17 a^2 c d^2 e^4-5 a^3 e^6\right ) \int \frac {1}{\left (d+e x^2\right ) \sqrt {a-c x^4}} \, dx}{16 d^3 \left (c d^2-a e^2\right )^3} \\ & = -\frac {e^2 x \sqrt {a-c x^4}}{6 d \left (c d^2-a e^2\right ) \left (d+e x^2\right )^3}-\frac {5 e^2 \left (3 c d^2-a e^2\right ) x \sqrt {a-c x^4}}{24 d^2 \left (c d^2-a e^2\right )^2 \left (d+e x^2\right )^2}-\frac {e^2 \left (29 c^2 d^4-14 a c d^2 e^2+5 a^2 e^4\right ) x \sqrt {a-c x^4}}{16 d^3 \left (c d^2-a e^2\right )^3 \left (d+e x^2\right )}-\frac {\left (\sqrt {a} \sqrt {c} e \left (29 c^2 d^4-14 a c d^2 e^2+5 a^2 e^4\right )\right ) \int \frac {1+\frac {\sqrt {c} x^2}{\sqrt {a}}}{\sqrt {a-c x^4}} \, dx}{16 d^3 \left (c d^2-a e^2\right )^3}-\frac {\left (\sqrt {c} \left (\sqrt {c} d-\sqrt {a} e\right ) \left (57 c^2 d^4-30 \sqrt {a} c^{3/2} d^3 e-32 a c d^2 e^2+10 a^{3/2} \sqrt {c} d e^3+15 a^2 e^4\right )\right ) \int \frac {1}{\sqrt {a-c x^4}} \, dx}{48 d^3 \left (c d^2-a e^2\right )^3}+\frac {\left (\left (35 c^3 d^6-7 a c^2 d^4 e^2+17 a^2 c d^2 e^4-5 a^3 e^6\right ) \sqrt {1-\frac {c x^4}{a}}\right ) \int \frac {1}{\left (d+e x^2\right ) \sqrt {1-\frac {c x^4}{a}}} \, dx}{16 d^3 \left (c d^2-a e^2\right )^3 \sqrt {a-c x^4}} \\ & = -\frac {e^2 x \sqrt {a-c x^4}}{6 d \left (c d^2-a e^2\right ) \left (d+e x^2\right )^3}-\frac {5 e^2 \left (3 c d^2-a e^2\right ) x \sqrt {a-c x^4}}{24 d^2 \left (c d^2-a e^2\right )^2 \left (d+e x^2\right )^2}-\frac {e^2 \left (29 c^2 d^4-14 a c d^2 e^2+5 a^2 e^4\right ) x \sqrt {a-c x^4}}{16 d^3 \left (c d^2-a e^2\right )^3 \left (d+e x^2\right )}+\frac {\sqrt [4]{a} \left (35 c^3 d^6-7 a c^2 d^4 e^2+17 a^2 c d^2 e^4-5 a^3 e^6\right ) \sqrt {1-\frac {c x^4}{a}} \Pi \left (-\frac {\sqrt {a} e}{\sqrt {c} d};\left .\sin ^{-1}\left (\frac {\sqrt [4]{c} x}{\sqrt [4]{a}}\right )\right |-1\right )}{16 \sqrt [4]{c} d^4 \left (c d^2-a e^2\right )^3 \sqrt {a-c x^4}}-\frac {\left (\sqrt {a} \sqrt {c} e \left (29 c^2 d^4-14 a c d^2 e^2+5 a^2 e^4\right ) \sqrt {1-\frac {c x^4}{a}}\right ) \int \frac {1+\frac {\sqrt {c} x^2}{\sqrt {a}}}{\sqrt {1-\frac {c x^4}{a}}} \, dx}{16 d^3 \left (c d^2-a e^2\right )^3 \sqrt {a-c x^4}}-\frac {\left (\sqrt {c} \left (\sqrt {c} d-\sqrt {a} e\right ) \left (57 c^2 d^4-30 \sqrt {a} c^{3/2} d^3 e-32 a c d^2 e^2+10 a^{3/2} \sqrt {c} d e^3+15 a^2 e^4\right ) \sqrt {1-\frac {c x^4}{a}}\right ) \int \frac {1}{\sqrt {1-\frac {c x^4}{a}}} \, dx}{48 d^3 \left (c d^2-a e^2\right )^3 \sqrt {a-c x^4}} \\ & = -\frac {e^2 x \sqrt {a-c x^4}}{6 d \left (c d^2-a e^2\right ) \left (d+e x^2\right )^3}-\frac {5 e^2 \left (3 c d^2-a e^2\right ) x \sqrt {a-c x^4}}{24 d^2 \left (c d^2-a e^2\right )^2 \left (d+e x^2\right )^2}-\frac {e^2 \left (29 c^2 d^4-14 a c d^2 e^2+5 a^2 e^4\right ) x \sqrt {a-c x^4}}{16 d^3 \left (c d^2-a e^2\right )^3 \left (d+e x^2\right )}-\frac {\sqrt [4]{a} \sqrt [4]{c} \left (\sqrt {c} d-\sqrt {a} e\right ) \left (57 c^2 d^4-30 \sqrt {a} c^{3/2} d^3 e-32 a c d^2 e^2+10 a^{3/2} \sqrt {c} d e^3+15 a^2 e^4\right ) \sqrt {1-\frac {c x^4}{a}} F\left (\left .\sin ^{-1}\left (\frac {\sqrt [4]{c} x}{\sqrt [4]{a}}\right )\right |-1\right )}{48 d^3 \left (c d^2-a e^2\right )^3 \sqrt {a-c x^4}}+\frac {\sqrt [4]{a} \left (35 c^3 d^6-7 a c^2 d^4 e^2+17 a^2 c d^2 e^4-5 a^3 e^6\right ) \sqrt {1-\frac {c x^4}{a}} \Pi \left (-\frac {\sqrt {a} e}{\sqrt {c} d};\left .\sin ^{-1}\left (\frac {\sqrt [4]{c} x}{\sqrt [4]{a}}\right )\right |-1\right )}{16 \sqrt [4]{c} d^4 \left (c d^2-a e^2\right )^3 \sqrt {a-c x^4}}-\frac {\left (\sqrt {a} \sqrt {c} e \left (29 c^2 d^4-14 a c d^2 e^2+5 a^2 e^4\right ) \sqrt {1-\frac {c x^4}{a}}\right ) \int \frac {\sqrt {1+\frac {\sqrt {c} x^2}{\sqrt {a}}}}{\sqrt {1-\frac {\sqrt {c} x^2}{\sqrt {a}}}} \, dx}{16 d^3 \left (c d^2-a e^2\right )^3 \sqrt {a-c x^4}} \\ & = -\frac {e^2 x \sqrt {a-c x^4}}{6 d \left (c d^2-a e^2\right ) \left (d+e x^2\right )^3}-\frac {5 e^2 \left (3 c d^2-a e^2\right ) x \sqrt {a-c x^4}}{24 d^2 \left (c d^2-a e^2\right )^2 \left (d+e x^2\right )^2}-\frac {e^2 \left (29 c^2 d^4-14 a c d^2 e^2+5 a^2 e^4\right ) x \sqrt {a-c x^4}}{16 d^3 \left (c d^2-a e^2\right )^3 \left (d+e x^2\right )}-\frac {a^{3/4} \sqrt [4]{c} e \left (29 c^2 d^4-14 a c d^2 e^2+5 a^2 e^4\right ) \sqrt {1-\frac {c x^4}{a}} E\left (\left .\sin ^{-1}\left (\frac {\sqrt [4]{c} x}{\sqrt [4]{a}}\right )\right |-1\right )}{16 d^3 \left (c d^2-a e^2\right )^3 \sqrt {a-c x^4}}-\frac {\sqrt [4]{a} \sqrt [4]{c} \left (\sqrt {c} d-\sqrt {a} e\right ) \left (57 c^2 d^4-30 \sqrt {a} c^{3/2} d^3 e-32 a c d^2 e^2+10 a^{3/2} \sqrt {c} d e^3+15 a^2 e^4\right ) \sqrt {1-\frac {c x^4}{a}} F\left (\left .\sin ^{-1}\left (\frac {\sqrt [4]{c} x}{\sqrt [4]{a}}\right )\right |-1\right )}{48 d^3 \left (c d^2-a e^2\right )^3 \sqrt {a-c x^4}}+\frac {\sqrt [4]{a} \left (35 c^3 d^6-7 a c^2 d^4 e^2+17 a^2 c d^2 e^4-5 a^3 e^6\right ) \sqrt {1-\frac {c x^4}{a}} \Pi \left (-\frac {\sqrt {a} e}{\sqrt {c} d};\left .\sin ^{-1}\left (\frac {\sqrt [4]{c} x}{\sqrt [4]{a}}\right )\right |-1\right )}{16 \sqrt [4]{c} d^4 \left (c d^2-a e^2\right )^3 \sqrt {a-c x^4}} \\ \end{align*}
Result contains complex when optimal does not.
Time = 11.38 (sec) , antiderivative size = 458, normalized size of antiderivative = 0.81 \[ \int \frac {1}{\left (d+e x^2\right )^4 \sqrt {a-c x^4}} \, dx=\frac {-\frac {d e^2 x \left (a-c x^4\right ) \left (8 \left (c d^3-a d e^2\right )^2+10 d \left (c d^2-a e^2\right ) \left (3 c d^2-a e^2\right ) \left (d+e x^2\right )+3 \left (29 c^2 d^4-14 a c d^2 e^2+5 a^2 e^4\right ) \left (d+e x^2\right )^2\right )}{\left (c d^2-a e^2\right )^3 \left (d+e x^2\right )^3}-\frac {i \sqrt {1-\frac {c x^4}{a}} \left (3 \sqrt {a} \sqrt {c} d e \left (29 c^2 d^4-14 a c d^2 e^2+5 a^2 e^4\right ) E\left (\left .i \text {arcsinh}\left (\sqrt {-\frac {\sqrt {c}}{\sqrt {a}}} x\right )\right |-1\right )+\sqrt {c} d \left (57 c^{5/2} d^5-87 \sqrt {a} c^2 d^4 e-2 a c^{3/2} d^3 e^2+42 a^{3/2} c d^2 e^3+5 a^2 \sqrt {c} d e^4-15 a^{5/2} e^5\right ) \operatorname {EllipticF}\left (i \text {arcsinh}\left (\sqrt {-\frac {\sqrt {c}}{\sqrt {a}}} x\right ),-1\right )+3 \left (-35 c^3 d^6+7 a c^2 d^4 e^2-17 a^2 c d^2 e^4+5 a^3 e^6\right ) \operatorname {EllipticPi}\left (-\frac {\sqrt {a} e}{\sqrt {c} d},i \text {arcsinh}\left (\sqrt {-\frac {\sqrt {c}}{\sqrt {a}}} x\right ),-1\right )\right )}{\sqrt {-\frac {\sqrt {c}}{\sqrt {a}}} \left (-c d^2+a e^2\right )^3}}{48 d^4 \sqrt {a-c x^4}} \]
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Both result and optimal contain complex but leaf count of result is larger than twice the leaf count of optimal. 1419 vs. \(2 (489 ) = 978\).
Time = 2.47 (sec) , antiderivative size = 1420, normalized size of antiderivative = 2.52
method | result | size |
default | \(\text {Expression too large to display}\) | \(1420\) |
elliptic | \(\text {Expression too large to display}\) | \(1420\) |
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Timed out. \[ \int \frac {1}{\left (d+e x^2\right )^4 \sqrt {a-c x^4}} \, dx=\text {Timed out} \]
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\[ \int \frac {1}{\left (d+e x^2\right )^4 \sqrt {a-c x^4}} \, dx=\int \frac {1}{\sqrt {a - c x^{4}} \left (d + e x^{2}\right )^{4}}\, dx \]
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\[ \int \frac {1}{\left (d+e x^2\right )^4 \sqrt {a-c x^4}} \, dx=\int { \frac {1}{\sqrt {-c x^{4} + a} {\left (e x^{2} + d\right )}^{4}} \,d x } \]
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\[ \int \frac {1}{\left (d+e x^2\right )^4 \sqrt {a-c x^4}} \, dx=\int { \frac {1}{\sqrt {-c x^{4} + a} {\left (e x^{2} + d\right )}^{4}} \,d x } \]
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Timed out. \[ \int \frac {1}{\left (d+e x^2\right )^4 \sqrt {a-c x^4}} \, dx=\int \frac {1}{\sqrt {a-c\,x^4}\,{\left (e\,x^2+d\right )}^4} \,d x \]
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