Integrand size = 21, antiderivative size = 225 \[ \int \frac {1}{\left (a+b x^2\right )^{3/2} \left (c+d x^2\right )^3} \, dx=-\frac {d x}{4 c (b c-a d) \sqrt {a+b x^2} \left (c+d x^2\right )^2}+\frac {b (4 b c+a d) x}{4 a c (b c-a d)^2 \sqrt {a+b x^2} \left (c+d x^2\right )}+\frac {d (4 b c-a d) (2 b c+3 a d) x \sqrt {a+b x^2}}{8 a c^2 (b c-a d)^3 \left (c+d x^2\right )}-\frac {3 d \left (8 b^2 c^2-4 a b c d+a^2 d^2\right ) \text {arctanh}\left (\frac {\sqrt {b c-a d} x}{\sqrt {c} \sqrt {a+b x^2}}\right )}{8 c^{5/2} (b c-a d)^{7/2}} \]
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Time = 0.19 (sec) , antiderivative size = 225, normalized size of antiderivative = 1.00, number of steps used = 6, number of rules used = 5, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.238, Rules used = {425, 541, 12, 385, 214} \[ \int \frac {1}{\left (a+b x^2\right )^{3/2} \left (c+d x^2\right )^3} \, dx=-\frac {3 d \left (a^2 d^2-4 a b c d+8 b^2 c^2\right ) \text {arctanh}\left (\frac {x \sqrt {b c-a d}}{\sqrt {c} \sqrt {a+b x^2}}\right )}{8 c^{5/2} (b c-a d)^{7/2}}+\frac {d x \sqrt {a+b x^2} (4 b c-a d) (3 a d+2 b c)}{8 a c^2 \left (c+d x^2\right ) (b c-a d)^3}+\frac {b x (a d+4 b c)}{4 a c \sqrt {a+b x^2} \left (c+d x^2\right ) (b c-a d)^2}-\frac {d x}{4 c \sqrt {a+b x^2} \left (c+d x^2\right )^2 (b c-a d)} \]
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Rule 12
Rule 214
Rule 385
Rule 425
Rule 541
Rubi steps \begin{align*} \text {integral}& = -\frac {d x}{4 c (b c-a d) \sqrt {a+b x^2} \left (c+d x^2\right )^2}+\frac {\int \frac {4 b c-3 a d-4 b d x^2}{\left (a+b x^2\right )^{3/2} \left (c+d x^2\right )^2} \, dx}{4 c (b c-a d)} \\ & = -\frac {d x}{4 c (b c-a d) \sqrt {a+b x^2} \left (c+d x^2\right )^2}+\frac {b (4 b c+a d) x}{4 a c (b c-a d)^2 \sqrt {a+b x^2} \left (c+d x^2\right )}-\frac {\int \frac {a d (8 b c-3 a d)-2 b d (4 b c+a d) x^2}{\sqrt {a+b x^2} \left (c+d x^2\right )^2} \, dx}{4 a c (b c-a d)^2} \\ & = -\frac {d x}{4 c (b c-a d) \sqrt {a+b x^2} \left (c+d x^2\right )^2}+\frac {b (4 b c+a d) x}{4 a c (b c-a d)^2 \sqrt {a+b x^2} \left (c+d x^2\right )}+\frac {d (4 b c-a d) (2 b c+3 a d) x \sqrt {a+b x^2}}{8 a c^2 (b c-a d)^3 \left (c+d x^2\right )}-\frac {\int \frac {3 a d \left (8 b^2 c^2-4 a b c d+a^2 d^2\right )}{\sqrt {a+b x^2} \left (c+d x^2\right )} \, dx}{8 a c^2 (b c-a d)^3} \\ & = -\frac {d x}{4 c (b c-a d) \sqrt {a+b x^2} \left (c+d x^2\right )^2}+\frac {b (4 b c+a d) x}{4 a c (b c-a d)^2 \sqrt {a+b x^2} \left (c+d x^2\right )}+\frac {d (4 b c-a d) (2 b c+3 a d) x \sqrt {a+b x^2}}{8 a c^2 (b c-a d)^3 \left (c+d x^2\right )}-\frac {\left (3 d \left (8 b^2 c^2-4 a b c d+a^2 d^2\right )\right ) \int \frac {1}{\sqrt {a+b x^2} \left (c+d x^2\right )} \, dx}{8 c^2 (b c-a d)^3} \\ & = -\frac {d x}{4 c (b c-a d) \sqrt {a+b x^2} \left (c+d x^2\right )^2}+\frac {b (4 b c+a d) x}{4 a c (b c-a d)^2 \sqrt {a+b x^2} \left (c+d x^2\right )}+\frac {d (4 b c-a d) (2 b c+3 a d) x \sqrt {a+b x^2}}{8 a c^2 (b c-a d)^3 \left (c+d x^2\right )}-\frac {\left (3 d \left (8 b^2 c^2-4 a b c d+a^2 d^2\right )\right ) \text {Subst}\left (\int \frac {1}{c-(b c-a d) x^2} \, dx,x,\frac {x}{\sqrt {a+b x^2}}\right )}{8 c^2 (b c-a d)^3} \\ & = -\frac {d x}{4 c (b c-a d) \sqrt {a+b x^2} \left (c+d x^2\right )^2}+\frac {b (4 b c+a d) x}{4 a c (b c-a d)^2 \sqrt {a+b x^2} \left (c+d x^2\right )}+\frac {d (4 b c-a d) (2 b c+3 a d) x \sqrt {a+b x^2}}{8 a c^2 (b c-a d)^3 \left (c+d x^2\right )}-\frac {3 d \left (8 b^2 c^2-4 a b c d+a^2 d^2\right ) \tanh ^{-1}\left (\frac {\sqrt {b c-a d} x}{\sqrt {c} \sqrt {a+b x^2}}\right )}{8 c^{5/2} (b c-a d)^{7/2}} \\ \end{align*}
Result contains higher order function than in optimal. Order 5 vs. order 3 in optimal.
Time = 13.40 (sec) , antiderivative size = 1392, normalized size of antiderivative = 6.19 \[ \int \frac {1}{\left (a+b x^2\right )^{3/2} \left (c+d x^2\right )^3} \, dx=\frac {x \left (-108045 \sqrt {\frac {(b c-a d) x^2}{c \left (a+b x^2\right )}}-\frac {324135 d x^2 \sqrt {\frac {(b c-a d) x^2}{c \left (a+b x^2\right )}}}{c}-\frac {324135 d^2 x^4 \sqrt {\frac {(b c-a d) x^2}{c \left (a+b x^2\right )}}}{c^2}-\frac {103320 d^3 x^6 \sqrt {\frac {(b c-a d) x^2}{c \left (a+b x^2\right )}}}{c^3}+42735 \left (\frac {(b c-a d) x^2}{c \left (a+b x^2\right )}\right )^{3/2}+\frac {128205 d x^2 \left (\frac {(b c-a d) x^2}{c \left (a+b x^2\right )}\right )^{3/2}}{c}+\frac {139545 d^2 x^4 \left (\frac {(b c-a d) x^2}{c \left (a+b x^2\right )}\right )^{3/2}}{c^2}+\frac {46200 d^3 x^6 \left (\frac {(b c-a d) x^2}{c \left (a+b x^2\right )}\right )^{3/2}}{c^3}-3864 \left (\frac {(b c-a d) x^2}{c \left (a+b x^2\right )}\right )^{5/2}-\frac {4032 d x^2 \left (\frac {(b c-a d) x^2}{c \left (a+b x^2\right )}\right )^{5/2}}{c}-\frac {4032 d^2 x^4 \left (\frac {(b c-a d) x^2}{c \left (a+b x^2\right )}\right )^{5/2}}{c^2}-\frac {1344 d^3 x^6 \left (\frac {(b c-a d) x^2}{c \left (a+b x^2\right )}\right )^{5/2}}{c^3}+108045 \text {arctanh}\left (\sqrt {\frac {(b c-a d) x^2}{c \left (a+b x^2\right )}}\right )+\frac {324135 d x^2 \text {arctanh}\left (\sqrt {\frac {(b c-a d) x^2}{c \left (a+b x^2\right )}}\right )}{c}+\frac {324135 d^2 x^4 \text {arctanh}\left (\sqrt {\frac {(b c-a d) x^2}{c \left (a+b x^2\right )}}\right )}{c^2}+\frac {103320 d^3 x^6 \text {arctanh}\left (\sqrt {\frac {(b c-a d) x^2}{c \left (a+b x^2\right )}}\right )}{c^3}+\frac {8505 (b c-a d)^2 x^4 \text {arctanh}\left (\sqrt {\frac {(b c-a d) x^2}{c \left (a+b x^2\right )}}\right )}{c^2 \left (a+b x^2\right )^2}+\frac {17955 d (b c-a d)^2 x^6 \text {arctanh}\left (\sqrt {\frac {(b c-a d) x^2}{c \left (a+b x^2\right )}}\right )}{c^3 \left (a+b x^2\right )^2}+\frac {21735 d^2 (b c-a d)^2 x^8 \text {arctanh}\left (\sqrt {\frac {(b c-a d) x^2}{c \left (a+b x^2\right )}}\right )}{c^4 \left (a+b x^2\right )^2}+\frac {7560 d^3 (b c-a d)^2 x^{10} \text {arctanh}\left (\sqrt {\frac {(b c-a d) x^2}{c \left (a+b x^2\right )}}\right )}{c^5 \left (a+b x^2\right )^2}-\frac {78750 (b c-a d) x^2 \text {arctanh}\left (\sqrt {\frac {(b c-a d) x^2}{c \left (a+b x^2\right )}}\right )}{c \left (a+b x^2\right )}+\frac {236250 d (-b c+a d) x^4 \text {arctanh}\left (\sqrt {\frac {(b c-a d) x^2}{c \left (a+b x^2\right )}}\right )}{c^2 \left (a+b x^2\right )}+\frac {247590 d^2 (-b c+a d) x^6 \text {arctanh}\left (\sqrt {\frac {(b c-a d) x^2}{c \left (a+b x^2\right )}}\right )}{c^3 \left (a+b x^2\right )}+\frac {80640 d^3 (-b c+a d) x^8 \text {arctanh}\left (\sqrt {\frac {(b c-a d) x^2}{c \left (a+b x^2\right )}}\right )}{c^4 \left (a+b x^2\right )}+64 \left (\frac {(b c-a d) x^2}{c \left (a+b x^2\right )}\right )^{9/2} \, _4F_3\left (2,2,2,\frac {5}{2};1,1,\frac {11}{2};\frac {(b c-a d) x^2}{c \left (a+b x^2\right )}\right )+\frac {192 d x^2 \left (\frac {(b c-a d) x^2}{c \left (a+b x^2\right )}\right )^{9/2} \, _4F_3\left (2,2,2,\frac {5}{2};1,1,\frac {11}{2};\frac {(b c-a d) x^2}{c \left (a+b x^2\right )}\right )}{c}+\frac {192 d^2 x^4 \left (\frac {(b c-a d) x^2}{c \left (a+b x^2\right )}\right )^{9/2} \, _4F_3\left (2,2,2,\frac {5}{2};1,1,\frac {11}{2};\frac {(b c-a d) x^2}{c \left (a+b x^2\right )}\right )}{c^2}+\frac {64 d^3 x^6 \left (\frac {(b c-a d) x^2}{c \left (a+b x^2\right )}\right )^{9/2} \, _4F_3\left (2,2,2,\frac {5}{2};1,1,\frac {11}{2};\frac {(b c-a d) x^2}{c \left (a+b x^2\right )}\right )}{c^3}\right )}{2520 c \left (\frac {(b c-a d) x^2}{c \left (a+b x^2\right )}\right )^{7/2} \left (a+b x^2\right )^{3/2} \left (c+d x^2\right )^2} \]
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Time = 2.66 (sec) , antiderivative size = 214, normalized size of antiderivative = 0.95
method | result | size |
pseudoelliptic | \(-\frac {3 \left (\sqrt {b \,x^{2}+a}\, a d \left (d \,x^{2}+c \right )^{2} \left (a^{2} d^{2}-4 a b c d +8 b^{2} c^{2}\right ) \arctan \left (\frac {c \sqrt {b \,x^{2}+a}}{x \sqrt {\left (a d -b c \right ) c}}\right )-\frac {5 x \left (d^{3} \left (\frac {3 d \,x^{2}}{5}+c \right ) a^{3}-\frac {12 \left (-\frac {d \,x^{2}}{3}+c \right ) b \,d^{2} \left (\frac {3 d \,x^{2}}{4}+c \right ) a^{2}}{5}-\frac {12 x^{2} \left (\frac {5 d \,x^{2}}{6}+c \right ) b^{2} d^{2} c a}{5}-\frac {8 b^{3} c^{2} \left (d \,x^{2}+c \right )^{2}}{5}\right ) \sqrt {\left (a d -b c \right ) c}}{3}\right )}{8 \sqrt {b \,x^{2}+a}\, \sqrt {\left (a d -b c \right ) c}\, \left (d \,x^{2}+c \right )^{2} c^{2} \left (a d -b c \right )^{3} a}\) | \(214\) |
default | \(\text {Expression too large to display}\) | \(4035\) |
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Leaf count of result is larger than twice the leaf count of optimal. 721 vs. \(2 (201) = 402\).
Time = 0.88 (sec) , antiderivative size = 1482, normalized size of antiderivative = 6.59 \[ \int \frac {1}{\left (a+b x^2\right )^{3/2} \left (c+d x^2\right )^3} \, dx=\text {Too large to display} \]
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Timed out. \[ \int \frac {1}{\left (a+b x^2\right )^{3/2} \left (c+d x^2\right )^3} \, dx=\text {Timed out} \]
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\[ \int \frac {1}{\left (a+b x^2\right )^{3/2} \left (c+d x^2\right )^3} \, dx=\int { \frac {1}{{\left (b x^{2} + a\right )}^{\frac {3}{2}} {\left (d x^{2} + c\right )}^{3}} \,d x } \]
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Leaf count of result is larger than twice the leaf count of optimal. 643 vs. \(2 (201) = 402\).
Time = 1.21 (sec) , antiderivative size = 643, normalized size of antiderivative = 2.86 \[ \int \frac {1}{\left (a+b x^2\right )^{3/2} \left (c+d x^2\right )^3} \, dx=\frac {b^{3} x}{{\left (a b^{3} c^{3} - 3 \, a^{2} b^{2} c^{2} d + 3 \, a^{3} b c d^{2} - a^{4} d^{3}\right )} \sqrt {b x^{2} + a}} + \frac {3 \, {\left (8 \, b^{\frac {5}{2}} c^{2} d - 4 \, a b^{\frac {3}{2}} c d^{2} + a^{2} \sqrt {b} d^{3}\right )} \arctan \left (\frac {{\left (\sqrt {b} x - \sqrt {b x^{2} + a}\right )}^{2} d + 2 \, b c - a d}{2 \, \sqrt {-b^{2} c^{2} + a b c d}}\right )}{8 \, {\left (b^{3} c^{5} - 3 \, a b^{2} c^{4} d + 3 \, a^{2} b c^{3} d^{2} - a^{3} c^{2} d^{3}\right )} \sqrt {-b^{2} c^{2} + a b c d}} + \frac {16 \, {\left (\sqrt {b} x - \sqrt {b x^{2} + a}\right )}^{6} b^{\frac {5}{2}} c^{2} d^{2} - 12 \, {\left (\sqrt {b} x - \sqrt {b x^{2} + a}\right )}^{6} a b^{\frac {3}{2}} c d^{3} + 3 \, {\left (\sqrt {b} x - \sqrt {b x^{2} + a}\right )}^{6} a^{2} \sqrt {b} d^{4} + 80 \, {\left (\sqrt {b} x - \sqrt {b x^{2} + a}\right )}^{4} b^{\frac {7}{2}} c^{3} d - 104 \, {\left (\sqrt {b} x - \sqrt {b x^{2} + a}\right )}^{4} a b^{\frac {5}{2}} c^{2} d^{2} + 54 \, {\left (\sqrt {b} x - \sqrt {b x^{2} + a}\right )}^{4} a^{2} b^{\frac {3}{2}} c d^{3} - 9 \, {\left (\sqrt {b} x - \sqrt {b x^{2} + a}\right )}^{4} a^{3} \sqrt {b} d^{4} + 64 \, {\left (\sqrt {b} x - \sqrt {b x^{2} + a}\right )}^{2} a^{2} b^{\frac {5}{2}} c^{2} d^{2} - 52 \, {\left (\sqrt {b} x - \sqrt {b x^{2} + a}\right )}^{2} a^{3} b^{\frac {3}{2}} c d^{3} + 9 \, {\left (\sqrt {b} x - \sqrt {b x^{2} + a}\right )}^{2} a^{4} \sqrt {b} d^{4} + 10 \, a^{4} b^{\frac {3}{2}} c d^{3} - 3 \, a^{5} \sqrt {b} d^{4}}{4 \, {\left (b^{3} c^{5} - 3 \, a b^{2} c^{4} d + 3 \, a^{2} b c^{3} d^{2} - a^{3} c^{2} d^{3}\right )} {\left ({\left (\sqrt {b} x - \sqrt {b x^{2} + a}\right )}^{4} d + 4 \, {\left (\sqrt {b} x - \sqrt {b x^{2} + a}\right )}^{2} b c - 2 \, {\left (\sqrt {b} x - \sqrt {b x^{2} + a}\right )}^{2} a d + a^{2} d\right )}^{2}} \]
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Timed out. \[ \int \frac {1}{\left (a+b x^2\right )^{3/2} \left (c+d x^2\right )^3} \, dx=\int \frac {1}{{\left (b\,x^2+a\right )}^{3/2}\,{\left (d\,x^2+c\right )}^3} \,d x \]
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