Integrand size = 23, antiderivative size = 321 \[ \int \frac {\left (a-b x^4\right )^{5/2}}{c-d x^4} \, dx=-\frac {b (7 b c-13 a d) x \sqrt {a-b x^4}}{21 d^2}+\frac {b x \left (a-b x^4\right )^{3/2}}{7 d}+\frac {\sqrt [4]{a} b^{3/4} \left (21 b^2 c^2-56 a b c d+47 a^2 d^2\right ) \sqrt {1-\frac {b x^4}{a}} \operatorname {EllipticF}\left (\arcsin \left (\frac {\sqrt [4]{b} x}{\sqrt [4]{a}}\right ),-1\right )}{21 d^3 \sqrt {a-b x^4}}-\frac {\sqrt [4]{a} (b c-a d)^3 \sqrt {1-\frac {b x^4}{a}} \operatorname {EllipticPi}\left (-\frac {\sqrt {a} \sqrt {d}}{\sqrt {b} \sqrt {c}},\arcsin \left (\frac {\sqrt [4]{b} x}{\sqrt [4]{a}}\right ),-1\right )}{2 \sqrt [4]{b} c d^3 \sqrt {a-b x^4}}-\frac {\sqrt [4]{a} (b c-a d)^3 \sqrt {1-\frac {b x^4}{a}} \operatorname {EllipticPi}\left (\frac {\sqrt {a} \sqrt {d}}{\sqrt {b} \sqrt {c}},\arcsin \left (\frac {\sqrt [4]{b} x}{\sqrt [4]{a}}\right ),-1\right )}{2 \sqrt [4]{b} c d^3 \sqrt {a-b x^4}} \]
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Time = 0.27 (sec) , antiderivative size = 321, normalized size of antiderivative = 1.00, number of steps used = 10, number of rules used = 8, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.348, Rules used = {427, 542, 537, 230, 227, 418, 1233, 1232} \[ \int \frac {\left (a-b x^4\right )^{5/2}}{c-d x^4} \, dx=\frac {\sqrt [4]{a} b^{3/4} \sqrt {1-\frac {b x^4}{a}} \left (47 a^2 d^2-56 a b c d+21 b^2 c^2\right ) \operatorname {EllipticF}\left (\arcsin \left (\frac {\sqrt [4]{b} x}{\sqrt [4]{a}}\right ),-1\right )}{21 d^3 \sqrt {a-b x^4}}-\frac {\sqrt [4]{a} \sqrt {1-\frac {b x^4}{a}} (b c-a d)^3 \operatorname {EllipticPi}\left (-\frac {\sqrt {a} \sqrt {d}}{\sqrt {b} \sqrt {c}},\arcsin \left (\frac {\sqrt [4]{b} x}{\sqrt [4]{a}}\right ),-1\right )}{2 \sqrt [4]{b} c d^3 \sqrt {a-b x^4}}-\frac {\sqrt [4]{a} \sqrt {1-\frac {b x^4}{a}} (b c-a d)^3 \operatorname {EllipticPi}\left (\frac {\sqrt {a} \sqrt {d}}{\sqrt {b} \sqrt {c}},\arcsin \left (\frac {\sqrt [4]{b} x}{\sqrt [4]{a}}\right ),-1\right )}{2 \sqrt [4]{b} c d^3 \sqrt {a-b x^4}}-\frac {b x \sqrt {a-b x^4} (7 b c-13 a d)}{21 d^2}+\frac {b x \left (a-b x^4\right )^{3/2}}{7 d} \]
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Rule 227
Rule 230
Rule 418
Rule 427
Rule 537
Rule 542
Rule 1232
Rule 1233
Rubi steps \begin{align*} \text {integral}& = \frac {b x \left (a-b x^4\right )^{3/2}}{7 d}-\frac {\int \frac {\sqrt {a-b x^4} \left (a (b c-7 a d)-b (7 b c-13 a d) x^4\right )}{c-d x^4} \, dx}{7 d} \\ & = -\frac {b (7 b c-13 a d) x \sqrt {a-b x^4}}{21 d^2}+\frac {b x \left (a-b x^4\right )^{3/2}}{7 d}+\frac {\int \frac {a \left (7 b^2 c^2-16 a b c d+21 a^2 d^2\right )-b \left (21 b^2 c^2-56 a b c d+47 a^2 d^2\right ) x^4}{\sqrt {a-b x^4} \left (c-d x^4\right )} \, dx}{21 d^2} \\ & = -\frac {b (7 b c-13 a d) x \sqrt {a-b x^4}}{21 d^2}+\frac {b x \left (a-b x^4\right )^{3/2}}{7 d}-\frac {(b c-a d)^3 \int \frac {1}{\sqrt {a-b x^4} \left (c-d x^4\right )} \, dx}{d^3}+\frac {\left (b \left (21 b^2 c^2-56 a b c d+47 a^2 d^2\right )\right ) \int \frac {1}{\sqrt {a-b x^4}} \, dx}{21 d^3} \\ & = -\frac {b (7 b c-13 a d) x \sqrt {a-b x^4}}{21 d^2}+\frac {b x \left (a-b x^4\right )^{3/2}}{7 d}-\frac {(b c-a d)^3 \int \frac {1}{\left (1-\frac {\sqrt {d} x^2}{\sqrt {c}}\right ) \sqrt {a-b x^4}} \, dx}{2 c d^3}-\frac {(b c-a d)^3 \int \frac {1}{\left (1+\frac {\sqrt {d} x^2}{\sqrt {c}}\right ) \sqrt {a-b x^4}} \, dx}{2 c d^3}+\frac {\left (b \left (21 b^2 c^2-56 a b c d+47 a^2 d^2\right ) \sqrt {1-\frac {b x^4}{a}}\right ) \int \frac {1}{\sqrt {1-\frac {b x^4}{a}}} \, dx}{21 d^3 \sqrt {a-b x^4}} \\ & = -\frac {b (7 b c-13 a d) x \sqrt {a-b x^4}}{21 d^2}+\frac {b x \left (a-b x^4\right )^{3/2}}{7 d}+\frac {\sqrt [4]{a} b^{3/4} \left (21 b^2 c^2-56 a b c d+47 a^2 d^2\right ) \sqrt {1-\frac {b x^4}{a}} F\left (\left .\sin ^{-1}\left (\frac {\sqrt [4]{b} x}{\sqrt [4]{a}}\right )\right |-1\right )}{21 d^3 \sqrt {a-b x^4}}-\frac {\left ((b c-a d)^3 \sqrt {1-\frac {b x^4}{a}}\right ) \int \frac {1}{\left (1-\frac {\sqrt {d} x^2}{\sqrt {c}}\right ) \sqrt {1-\frac {b x^4}{a}}} \, dx}{2 c d^3 \sqrt {a-b x^4}}-\frac {\left ((b c-a d)^3 \sqrt {1-\frac {b x^4}{a}}\right ) \int \frac {1}{\left (1+\frac {\sqrt {d} x^2}{\sqrt {c}}\right ) \sqrt {1-\frac {b x^4}{a}}} \, dx}{2 c d^3 \sqrt {a-b x^4}} \\ & = -\frac {b (7 b c-13 a d) x \sqrt {a-b x^4}}{21 d^2}+\frac {b x \left (a-b x^4\right )^{3/2}}{7 d}+\frac {\sqrt [4]{a} b^{3/4} \left (21 b^2 c^2-56 a b c d+47 a^2 d^2\right ) \sqrt {1-\frac {b x^4}{a}} F\left (\left .\sin ^{-1}\left (\frac {\sqrt [4]{b} x}{\sqrt [4]{a}}\right )\right |-1\right )}{21 d^3 \sqrt {a-b x^4}}-\frac {\sqrt [4]{a} (b c-a d)^3 \sqrt {1-\frac {b x^4}{a}} \Pi \left (-\frac {\sqrt {a} \sqrt {d}}{\sqrt {b} \sqrt {c}};\left .\sin ^{-1}\left (\frac {\sqrt [4]{b} x}{\sqrt [4]{a}}\right )\right |-1\right )}{2 \sqrt [4]{b} c d^3 \sqrt {a-b x^4}}-\frac {\sqrt [4]{a} (b c-a d)^3 \sqrt {1-\frac {b x^4}{a}} \Pi \left (\frac {\sqrt {a} \sqrt {d}}{\sqrt {b} \sqrt {c}};\left .\sin ^{-1}\left (\frac {\sqrt [4]{b} x}{\sqrt [4]{a}}\right )\right |-1\right )}{2 \sqrt [4]{b} c d^3 \sqrt {a-b x^4}} \\ \end{align*}
Result contains higher order function than in optimal. Order 6 vs. order 4 in optimal.
Time = 10.70 (sec) , antiderivative size = 290, normalized size of antiderivative = 0.90 \[ \int \frac {\left (a-b x^4\right )^{5/2}}{c-d x^4} \, dx=\frac {x \left (5 b \left (-a+b x^4\right ) \left (7 b c-16 a d+3 b d x^4\right )-\frac {b \left (21 b^2 c^2-56 a b c d+47 a^2 d^2\right ) x^4 \sqrt {1-\frac {b x^4}{a}} \operatorname {AppellF1}\left (\frac {5}{4},\frac {1}{2},1,\frac {9}{4},\frac {b x^4}{a},\frac {d x^4}{c}\right )}{c}+\frac {25 a^2 c \left (7 b^2 c^2-16 a b c d+21 a^2 d^2\right ) \operatorname {AppellF1}\left (\frac {1}{4},\frac {1}{2},1,\frac {5}{4},\frac {b x^4}{a},\frac {d x^4}{c}\right )}{\left (c-d x^4\right ) \left (5 a c \operatorname {AppellF1}\left (\frac {1}{4},\frac {1}{2},1,\frac {5}{4},\frac {b x^4}{a},\frac {d x^4}{c}\right )+2 x^4 \left (2 a d \operatorname {AppellF1}\left (\frac {5}{4},\frac {1}{2},2,\frac {9}{4},\frac {b x^4}{a},\frac {d x^4}{c}\right )+b c \operatorname {AppellF1}\left (\frac {5}{4},\frac {3}{2},1,\frac {9}{4},\frac {b x^4}{a},\frac {d x^4}{c}\right )\right )\right )}\right )}{105 d^2 \sqrt {a-b x^4}} \]
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Result contains higher order function than in optimal. Order 9 vs. order 4.
Time = 6.41 (sec) , antiderivative size = 350, normalized size of antiderivative = 1.09
method | result | size |
risch | \(\frac {b x \left (-3 b d \,x^{4}+16 a d -7 b c \right ) \sqrt {-b \,x^{4}+a}}{21 d^{2}}+\frac {\frac {b \left (47 a^{2} d^{2}-56 a b c d +21 b^{2} c^{2}\right ) \sqrt {1-\frac {x^{2} \sqrt {b}}{\sqrt {a}}}\, \sqrt {1+\frac {x^{2} \sqrt {b}}{\sqrt {a}}}\, F\left (x \sqrt {\frac {\sqrt {b}}{\sqrt {a}}}, i\right )}{d \sqrt {\frac {\sqrt {b}}{\sqrt {a}}}\, \sqrt {-b \,x^{4}+a}}+\frac {\left (-21 a^{3} d^{3}+63 a^{2} b c \,d^{2}-63 a \,b^{2} c^{2} d +21 b^{3} c^{3}\right ) \left (\munderset {\underline {\hspace {1.25 ex}}\alpha =\operatorname {RootOf}\left (d \,\textit {\_Z}^{4}-c \right )}{\sum }\frac {-\frac {\operatorname {arctanh}\left (\frac {-2 b \,x^{2} \underline {\hspace {1.25 ex}}\alpha ^{2}+2 a}{2 \sqrt {\frac {a d -b c}{d}}\, \sqrt {-b \,x^{4}+a}}\right )}{\sqrt {\frac {a d -b c}{d}}}-\frac {2 \underline {\hspace {1.25 ex}}\alpha ^{3} d \sqrt {1-\frac {x^{2} \sqrt {b}}{\sqrt {a}}}\, \sqrt {1+\frac {x^{2} \sqrt {b}}{\sqrt {a}}}\, \Pi \left (x \sqrt {\frac {\sqrt {b}}{\sqrt {a}}}, \frac {\sqrt {a}\, \underline {\hspace {1.25 ex}}\alpha ^{2} d}{\sqrt {b}\, c}, \frac {\sqrt {-\frac {\sqrt {b}}{\sqrt {a}}}}{\sqrt {\frac {\sqrt {b}}{\sqrt {a}}}}\right )}{\sqrt {\frac {\sqrt {b}}{\sqrt {a}}}\, c \sqrt {-b \,x^{4}+a}}}{\underline {\hspace {1.25 ex}}\alpha ^{3}}\right )}{8 d^{2}}}{21 d^{2}}\) | \(350\) |
default | \(-\frac {b^{2} x^{5} \sqrt {-b \,x^{4}+a}}{7 d}-\frac {\left (-\frac {b^{2} \left (3 a d -b c \right )}{d^{2}}+\frac {5 b^{2} a}{7 d}\right ) x \sqrt {-b \,x^{4}+a}}{3 b}+\frac {\left (\frac {b \left (3 a^{2} d^{2}-3 a b c d +b^{2} c^{2}\right )}{d^{3}}+\frac {\left (-\frac {b^{2} \left (3 a d -b c \right )}{d^{2}}+\frac {5 b^{2} a}{7 d}\right ) a}{3 b}\right ) \sqrt {1-\frac {x^{2} \sqrt {b}}{\sqrt {a}}}\, \sqrt {1+\frac {x^{2} \sqrt {b}}{\sqrt {a}}}\, F\left (x \sqrt {\frac {\sqrt {b}}{\sqrt {a}}}, i\right )}{\sqrt {\frac {\sqrt {b}}{\sqrt {a}}}\, \sqrt {-b \,x^{4}+a}}-\frac {\munderset {\underline {\hspace {1.25 ex}}\alpha =\operatorname {RootOf}\left (d \,\textit {\_Z}^{4}-c \right )}{\sum }\frac {\left (a^{3} d^{3}-3 a^{2} b c \,d^{2}+3 a \,b^{2} c^{2} d -b^{3} c^{3}\right ) \left (-\frac {\operatorname {arctanh}\left (\frac {-2 b \,x^{2} \underline {\hspace {1.25 ex}}\alpha ^{2}+2 a}{2 \sqrt {\frac {a d -b c}{d}}\, \sqrt {-b \,x^{4}+a}}\right )}{\sqrt {\frac {a d -b c}{d}}}-\frac {2 \underline {\hspace {1.25 ex}}\alpha ^{3} d \sqrt {1-\frac {x^{2} \sqrt {b}}{\sqrt {a}}}\, \sqrt {1+\frac {x^{2} \sqrt {b}}{\sqrt {a}}}\, \Pi \left (x \sqrt {\frac {\sqrt {b}}{\sqrt {a}}}, \frac {\sqrt {a}\, \underline {\hspace {1.25 ex}}\alpha ^{2} d}{\sqrt {b}\, c}, \frac {\sqrt {-\frac {\sqrt {b}}{\sqrt {a}}}}{\sqrt {\frac {\sqrt {b}}{\sqrt {a}}}}\right )}{\sqrt {\frac {\sqrt {b}}{\sqrt {a}}}\, c \sqrt {-b \,x^{4}+a}}\right )}{\underline {\hspace {1.25 ex}}\alpha ^{3}}}{8 d^{4}}\) | \(408\) |
elliptic | \(-\frac {b^{2} x^{5} \sqrt {-b \,x^{4}+a}}{7 d}-\frac {\left (-\frac {b^{2} \left (3 a d -b c \right )}{d^{2}}+\frac {5 b^{2} a}{7 d}\right ) x \sqrt {-b \,x^{4}+a}}{3 b}+\frac {\left (\frac {b \left (3 a^{2} d^{2}-3 a b c d +b^{2} c^{2}\right )}{d^{3}}+\frac {\left (-\frac {b^{2} \left (3 a d -b c \right )}{d^{2}}+\frac {5 b^{2} a}{7 d}\right ) a}{3 b}\right ) \sqrt {1-\frac {x^{2} \sqrt {b}}{\sqrt {a}}}\, \sqrt {1+\frac {x^{2} \sqrt {b}}{\sqrt {a}}}\, F\left (x \sqrt {\frac {\sqrt {b}}{\sqrt {a}}}, i\right )}{\sqrt {\frac {\sqrt {b}}{\sqrt {a}}}\, \sqrt {-b \,x^{4}+a}}-\frac {\munderset {\underline {\hspace {1.25 ex}}\alpha =\operatorname {RootOf}\left (d \,\textit {\_Z}^{4}-c \right )}{\sum }\frac {\left (a^{3} d^{3}-3 a^{2} b c \,d^{2}+3 a \,b^{2} c^{2} d -b^{3} c^{3}\right ) \left (-\frac {\operatorname {arctanh}\left (\frac {-2 b \,x^{2} \underline {\hspace {1.25 ex}}\alpha ^{2}+2 a}{2 \sqrt {\frac {a d -b c}{d}}\, \sqrt {-b \,x^{4}+a}}\right )}{\sqrt {\frac {a d -b c}{d}}}-\frac {2 \underline {\hspace {1.25 ex}}\alpha ^{3} d \sqrt {1-\frac {x^{2} \sqrt {b}}{\sqrt {a}}}\, \sqrt {1+\frac {x^{2} \sqrt {b}}{\sqrt {a}}}\, \Pi \left (x \sqrt {\frac {\sqrt {b}}{\sqrt {a}}}, \frac {\sqrt {a}\, \underline {\hspace {1.25 ex}}\alpha ^{2} d}{\sqrt {b}\, c}, \frac {\sqrt {-\frac {\sqrt {b}}{\sqrt {a}}}}{\sqrt {\frac {\sqrt {b}}{\sqrt {a}}}}\right )}{\sqrt {\frac {\sqrt {b}}{\sqrt {a}}}\, c \sqrt {-b \,x^{4}+a}}\right )}{\underline {\hspace {1.25 ex}}\alpha ^{3}}}{8 d^{4}}\) | \(408\) |
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Timed out. \[ \int \frac {\left (a-b x^4\right )^{5/2}}{c-d x^4} \, dx=\text {Timed out} \]
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\[ \int \frac {\left (a-b x^4\right )^{5/2}}{c-d x^4} \, dx=- \int \frac {a^{2} \sqrt {a - b x^{4}}}{- c + d x^{4}}\, dx - \int \frac {b^{2} x^{8} \sqrt {a - b x^{4}}}{- c + d x^{4}}\, dx - \int \left (- \frac {2 a b x^{4} \sqrt {a - b x^{4}}}{- c + d x^{4}}\right )\, dx \]
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\[ \int \frac {\left (a-b x^4\right )^{5/2}}{c-d x^4} \, dx=\int { -\frac {{\left (-b x^{4} + a\right )}^{\frac {5}{2}}}{d x^{4} - c} \,d x } \]
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\[ \int \frac {\left (a-b x^4\right )^{5/2}}{c-d x^4} \, dx=\int { -\frac {{\left (-b x^{4} + a\right )}^{\frac {5}{2}}}{d x^{4} - c} \,d x } \]
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Timed out. \[ \int \frac {\left (a-b x^4\right )^{5/2}}{c-d x^4} \, dx=\int \frac {{\left (a-b\,x^4\right )}^{5/2}}{c-d\,x^4} \,d x \]
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