Integrand size = 21, antiderivative size = 202 \[ \int \frac {1}{\left (a+b x^2\right )^{5/2} \left (c+d x^2\right )^2} \, dx=\frac {b (2 b c+3 a d) x}{6 a c (b c-a d)^2 \left (a+b x^2\right )^{3/2}}+\frac {b \left (4 b^2 c^2-16 a b c d-3 a^2 d^2\right ) x}{6 a^2 c (b c-a d)^3 \sqrt {a+b x^2}}-\frac {d x}{2 c (b c-a d) \left (a+b x^2\right )^{3/2} \left (c+d x^2\right )}+\frac {d^2 (6 b c-a d) \text {arctanh}\left (\frac {\sqrt {b c-a d} x}{\sqrt {c} \sqrt {a+b x^2}}\right )}{2 c^{3/2} (b c-a d)^{7/2}} \]
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Time = 0.16 (sec) , antiderivative size = 202, 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} \[ \int \frac {1}{\left (a+b x^2\right )^{5/2} \left (c+d x^2\right )^2} \, dx=\frac {b x \left (-3 a^2 d^2-16 a b c d+4 b^2 c^2\right )}{6 a^2 c \sqrt {a+b x^2} (b c-a d)^3}+\frac {d^2 (6 b c-a d) \text {arctanh}\left (\frac {x \sqrt {b c-a d}}{\sqrt {c} \sqrt {a+b x^2}}\right )}{2 c^{3/2} (b c-a d)^{7/2}}-\frac {d x}{2 c \left (a+b x^2\right )^{3/2} \left (c+d x^2\right ) (b c-a d)}+\frac {b x (3 a d+2 b c)}{6 a c \left (a+b x^2\right )^{3/2} (b c-a d)^2} \]
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Rule 12
Rule 214
Rule 385
Rule 425
Rule 541
Rubi steps \begin{align*} \text {integral}& = -\frac {d x}{2 c (b c-a d) \left (a+b x^2\right )^{3/2} \left (c+d x^2\right )}+\frac {\int \frac {2 b c-a d-4 b d x^2}{\left (a+b x^2\right )^{5/2} \left (c+d x^2\right )} \, dx}{2 c (b c-a d)} \\ & = \frac {b (2 b c+3 a d) x}{6 a c (b c-a d)^2 \left (a+b x^2\right )^{3/2}}-\frac {d x}{2 c (b c-a d) \left (a+b x^2\right )^{3/2} \left (c+d x^2\right )}-\frac {\int \frac {-4 b^2 c^2+12 a b c d-3 a^2 d^2-2 b d (2 b c+3 a d) x^2}{\left (a+b x^2\right )^{3/2} \left (c+d x^2\right )} \, dx}{6 a c (b c-a d)^2} \\ & = \frac {b (2 b c+3 a d) x}{6 a c (b c-a d)^2 \left (a+b x^2\right )^{3/2}}+\frac {b \left (4 b^2 c^2-16 a b c d-3 a^2 d^2\right ) x}{6 a^2 c (b c-a d)^3 \sqrt {a+b x^2}}-\frac {d x}{2 c (b c-a d) \left (a+b x^2\right )^{3/2} \left (c+d x^2\right )}+\frac {\int \frac {3 a^2 d^2 (6 b c-a d)}{\sqrt {a+b x^2} \left (c+d x^2\right )} \, dx}{6 a^2 c (b c-a d)^3} \\ & = \frac {b (2 b c+3 a d) x}{6 a c (b c-a d)^2 \left (a+b x^2\right )^{3/2}}+\frac {b \left (4 b^2 c^2-16 a b c d-3 a^2 d^2\right ) x}{6 a^2 c (b c-a d)^3 \sqrt {a+b x^2}}-\frac {d x}{2 c (b c-a d) \left (a+b x^2\right )^{3/2} \left (c+d x^2\right )}+\frac {\left (d^2 (6 b c-a d)\right ) \int \frac {1}{\sqrt {a+b x^2} \left (c+d x^2\right )} \, dx}{2 c (b c-a d)^3} \\ & = \frac {b (2 b c+3 a d) x}{6 a c (b c-a d)^2 \left (a+b x^2\right )^{3/2}}+\frac {b \left (4 b^2 c^2-16 a b c d-3 a^2 d^2\right ) x}{6 a^2 c (b c-a d)^3 \sqrt {a+b x^2}}-\frac {d x}{2 c (b c-a d) \left (a+b x^2\right )^{3/2} \left (c+d x^2\right )}+\frac {\left (d^2 (6 b c-a d)\right ) \text {Subst}\left (\int \frac {1}{c-(b c-a d) x^2} \, dx,x,\frac {x}{\sqrt {a+b x^2}}\right )}{2 c (b c-a d)^3} \\ & = \frac {b (2 b c+3 a d) x}{6 a c (b c-a d)^2 \left (a+b x^2\right )^{3/2}}+\frac {b \left (4 b^2 c^2-16 a b c d-3 a^2 d^2\right ) x}{6 a^2 c (b c-a d)^3 \sqrt {a+b x^2}}-\frac {d x}{2 c (b c-a d) \left (a+b x^2\right )^{3/2} \left (c+d x^2\right )}+\frac {d^2 (6 b c-a d) \tanh ^{-1}\left (\frac {\sqrt {b c-a d} x}{\sqrt {c} \sqrt {a+b x^2}}\right )}{2 c^{3/2} (b c-a d)^{7/2}} \\ \end{align*}
Time = 1.26 (sec) , antiderivative size = 219, normalized size of antiderivative = 1.08 \[ \int \frac {1}{\left (a+b x^2\right )^{5/2} \left (c+d x^2\right )^2} \, dx=\frac {x \left (3 a^4 d^3+6 a^3 b d^3 x^2-4 b^4 c^2 x^2 \left (c+d x^2\right )+3 a^2 b^2 d \left (6 c^2+6 c d x^2+d^2 x^4\right )+2 a b^3 c \left (-3 c^2+5 c d x^2+8 d^2 x^4\right )\right )}{6 a^2 c (-b c+a d)^3 \left (a+b x^2\right )^{3/2} \left (c+d x^2\right )}+\frac {d^2 (6 b c-a d) \arctan \left (\frac {-d x \sqrt {a+b x^2}+\sqrt {b} \left (c+d x^2\right )}{\sqrt {c} \sqrt {-b c+a d}}\right )}{2 c^{3/2} (-b c+a d)^{7/2}} \]
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Time = 2.63 (sec) , antiderivative size = 208, normalized size of antiderivative = 1.03
method | result | size |
pseudoelliptic | \(\frac {-\left (a d -6 b c \right ) \left (d \,x^{2}+c \right ) d^{2} \left (b \,x^{2}+a \right )^{\frac {3}{2}} a^{2} \arctan \left (\frac {c \sqrt {b \,x^{2}+a}}{x \sqrt {\left (a d -b c \right ) c}}\right )+x \sqrt {\left (a d -b c \right ) c}\, \left (\left (-\frac {4}{3} b^{4} x^{2}-2 a \,b^{3}\right ) c^{3}+6 b^{2} d \left (-\frac {2}{9} b^{2} x^{4}+\frac {5}{9} a b \,x^{2}+a^{2}\right ) c^{2}+6 x^{2} b^{2} d^{2} a \left (\frac {8 b \,x^{2}}{9}+a \right ) c +a^{2} d^{3} \left (b \,x^{2}+a \right )^{2}\right )}{2 \sqrt {\left (a d -b c \right ) c}\, \left (b \,x^{2}+a \right )^{\frac {3}{2}} c \left (d \,x^{2}+c \right ) \left (a d -b c \right )^{3} a^{2}}\) | \(208\) |
default | \(\text {Expression too large to display}\) | \(3449\) |
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Leaf count of result is larger than twice the leaf count of optimal. 700 vs. \(2 (178) = 356\).
Time = 0.95 (sec) , antiderivative size = 1440, normalized size of antiderivative = 7.13 \[ \int \frac {1}{\left (a+b x^2\right )^{5/2} \left (c+d x^2\right )^2} \, dx=\text {Too large to display} \]
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\[ \int \frac {1}{\left (a+b x^2\right )^{5/2} \left (c+d x^2\right )^2} \, dx=\int \frac {1}{\left (a + b x^{2}\right )^{\frac {5}{2}} \left (c + d x^{2}\right )^{2}}\, dx \]
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\[ \int \frac {1}{\left (a+b x^2\right )^{5/2} \left (c+d x^2\right )^2} \, dx=\int { \frac {1}{{\left (b x^{2} + a\right )}^{\frac {5}{2}} {\left (d x^{2} + c\right )}^{2}} \,d x } \]
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Leaf count of result is larger than twice the leaf count of optimal. 620 vs. \(2 (178) = 356\).
Time = 0.89 (sec) , antiderivative size = 620, normalized size of antiderivative = 3.07 \[ \int \frac {1}{\left (a+b x^2\right )^{5/2} \left (c+d x^2\right )^2} \, dx=\frac {{\left (\frac {2 \, {\left (b^{8} c^{4} - 7 \, a b^{7} c^{3} d + 15 \, a^{2} b^{6} c^{2} d^{2} - 13 \, a^{3} b^{5} c d^{3} + 4 \, a^{4} b^{4} d^{4}\right )} x^{2}}{a^{2} b^{7} c^{6} - 6 \, a^{3} b^{6} c^{5} d + 15 \, a^{4} b^{5} c^{4} d^{2} - 20 \, a^{5} b^{4} c^{3} d^{3} + 15 \, a^{6} b^{3} c^{2} d^{4} - 6 \, a^{7} b^{2} c d^{5} + a^{8} b d^{6}} + \frac {3 \, {\left (a b^{7} c^{4} - 6 \, a^{2} b^{6} c^{3} d + 12 \, a^{3} b^{5} c^{2} d^{2} - 10 \, a^{4} b^{4} c d^{3} + 3 \, a^{5} b^{3} d^{4}\right )}}{a^{2} b^{7} c^{6} - 6 \, a^{3} b^{6} c^{5} d + 15 \, a^{4} b^{5} c^{4} d^{2} - 20 \, a^{5} b^{4} c^{3} d^{3} + 15 \, a^{6} b^{3} c^{2} d^{4} - 6 \, a^{7} b^{2} c d^{5} + a^{8} b d^{6}}\right )} x}{3 \, {\left (b x^{2} + a\right )}^{\frac {3}{2}}} + \frac {{\left (6 \, b^{\frac {3}{2}} c d^{2} - a \sqrt {b} d^{3}\right )} \arctan \left (-\frac {{\left (\sqrt {b} x - \sqrt {b x^{2} + a}\right )}^{2} d + 2 \, b c - a d}{2 \, \sqrt {-b^{2} c^{2} + a b c d}}\right )}{2 \, {\left (b^{3} c^{4} - 3 \, a b^{2} c^{3} d + 3 \, a^{2} b c^{2} d^{2} - a^{3} c d^{3}\right )} \sqrt {-b^{2} c^{2} + a b c d}} - \frac {2 \, {\left (\sqrt {b} x - \sqrt {b x^{2} + a}\right )}^{2} b^{\frac {3}{2}} c d^{2} - {\left (\sqrt {b} x - \sqrt {b x^{2} + a}\right )}^{2} a \sqrt {b} d^{3} + a^{2} \sqrt {b} d^{3}}{{\left (b^{3} c^{4} - 3 \, a b^{2} c^{3} d + 3 \, a^{2} b c^{2} d^{2} - a^{3} c d^{3}\right )} {\left ({\left (\sqrt {b} x - \sqrt {b x^{2} + a}\right )}^{4} d + 4 \, {\left (\sqrt {b} x - \sqrt {b x^{2} + a}\right )}^{2} b c - 2 \, {\left (\sqrt {b} x - \sqrt {b x^{2} + a}\right )}^{2} a d + a^{2} d\right )}} \]
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Timed out. \[ \int \frac {1}{\left (a+b x^2\right )^{5/2} \left (c+d x^2\right )^2} \, dx=\int \frac {1}{{\left (b\,x^2+a\right )}^{5/2}\,{\left (d\,x^2+c\right )}^2} \,d x \]
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