Integrand size = 21, antiderivative size = 201 \[ \int \frac {1}{\left (a+b x^2\right )^2 \left (c+d x^2\right )^{5/2}} \, dx=\frac {d (3 b c+2 a d) x}{6 a c (b c-a d)^2 \left (c+d x^2\right )^{3/2}}+\frac {b x}{2 a (b c-a d) \left (a+b x^2\right ) \left (c+d x^2\right )^{3/2}}+\frac {d \left (3 b^2 c^2+16 a b c d-4 a^2 d^2\right ) x}{6 a c^2 (b c-a d)^3 \sqrt {c+d x^2}}+\frac {b^2 (b c-6 a d) \arctan \left (\frac {\sqrt {b c-a d} x}{\sqrt {a} \sqrt {c+d x^2}}\right )}{2 a^{3/2} (b c-a d)^{7/2}} \]
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Time = 0.15 (sec) , antiderivative size = 201, 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, 211} \[ \int \frac {1}{\left (a+b x^2\right )^2 \left (c+d x^2\right )^{5/2}} \, dx=\frac {b^2 (b c-6 a d) \arctan \left (\frac {x \sqrt {b c-a d}}{\sqrt {a} \sqrt {c+d x^2}}\right )}{2 a^{3/2} (b c-a d)^{7/2}}+\frac {d x \left (-4 a^2 d^2+16 a b c d+3 b^2 c^2\right )}{6 a c^2 \sqrt {c+d x^2} (b c-a d)^3}+\frac {b x}{2 a \left (a+b x^2\right ) \left (c+d x^2\right )^{3/2} (b c-a d)}+\frac {d x (2 a d+3 b c)}{6 a c \left (c+d x^2\right )^{3/2} (b c-a d)^2} \]
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Rule 12
Rule 211
Rule 385
Rule 425
Rule 541
Rubi steps \begin{align*} \text {integral}& = \frac {b x}{2 a (b c-a d) \left (a+b x^2\right ) \left (c+d x^2\right )^{3/2}}-\frac {\int \frac {-b c+2 a d-4 b d x^2}{\left (a+b x^2\right ) \left (c+d x^2\right )^{5/2}} \, dx}{2 a (b c-a d)} \\ & = \frac {d (3 b c+2 a d) x}{6 a c (b c-a d)^2 \left (c+d x^2\right )^{3/2}}+\frac {b x}{2 a (b c-a d) \left (a+b x^2\right ) \left (c+d x^2\right )^{3/2}}-\frac {\int \frac {-3 b^2 c^2+12 a b c d-4 a^2 d^2-2 b d (3 b c+2 a d) x^2}{\left (a+b x^2\right ) \left (c+d x^2\right )^{3/2}} \, dx}{6 a c (b c-a d)^2} \\ & = \frac {d (3 b c+2 a d) x}{6 a c (b c-a d)^2 \left (c+d x^2\right )^{3/2}}+\frac {b x}{2 a (b c-a d) \left (a+b x^2\right ) \left (c+d x^2\right )^{3/2}}+\frac {d \left (3 b^2 c^2+16 a b c d-4 a^2 d^2\right ) x}{6 a c^2 (b c-a d)^3 \sqrt {c+d x^2}}-\frac {\int -\frac {3 b^2 c^2 (b c-6 a d)}{\left (a+b x^2\right ) \sqrt {c+d x^2}} \, dx}{6 a c^2 (b c-a d)^3} \\ & = \frac {d (3 b c+2 a d) x}{6 a c (b c-a d)^2 \left (c+d x^2\right )^{3/2}}+\frac {b x}{2 a (b c-a d) \left (a+b x^2\right ) \left (c+d x^2\right )^{3/2}}+\frac {d \left (3 b^2 c^2+16 a b c d-4 a^2 d^2\right ) x}{6 a c^2 (b c-a d)^3 \sqrt {c+d x^2}}+\frac {\left (b^2 (b c-6 a d)\right ) \int \frac {1}{\left (a+b x^2\right ) \sqrt {c+d x^2}} \, dx}{2 a (b c-a d)^3} \\ & = \frac {d (3 b c+2 a d) x}{6 a c (b c-a d)^2 \left (c+d x^2\right )^{3/2}}+\frac {b x}{2 a (b c-a d) \left (a+b x^2\right ) \left (c+d x^2\right )^{3/2}}+\frac {d \left (3 b^2 c^2+16 a b c d-4 a^2 d^2\right ) x}{6 a c^2 (b c-a d)^3 \sqrt {c+d x^2}}+\frac {\left (b^2 (b c-6 a d)\right ) \text {Subst}\left (\int \frac {1}{a-(-b c+a d) x^2} \, dx,x,\frac {x}{\sqrt {c+d x^2}}\right )}{2 a (b c-a d)^3} \\ & = \frac {d (3 b c+2 a d) x}{6 a c (b c-a d)^2 \left (c+d x^2\right )^{3/2}}+\frac {b x}{2 a (b c-a d) \left (a+b x^2\right ) \left (c+d x^2\right )^{3/2}}+\frac {d \left (3 b^2 c^2+16 a b c d-4 a^2 d^2\right ) x}{6 a c^2 (b c-a d)^3 \sqrt {c+d x^2}}+\frac {b^2 (b c-6 a d) \tan ^{-1}\left (\frac {\sqrt {b c-a d} x}{\sqrt {a} \sqrt {c+d x^2}}\right )}{2 a^{3/2} (b c-a d)^{7/2}} \\ \end{align*}
Time = 0.96 (sec) , antiderivative size = 214, normalized size of antiderivative = 1.06 \[ \int \frac {1}{\left (a+b x^2\right )^2 \left (c+d x^2\right )^{5/2}} \, dx=\frac {x \left (3 b^3 c^2 \left (c+d x^2\right )^2-2 a^3 d^3 \left (3 c+2 d x^2\right )+2 a b^2 c d^2 x^2 \left (9 c+8 d x^2\right )+2 a^2 b d^2 \left (9 c^2+5 c d x^2-2 d^2 x^4\right )\right )}{6 a c^2 (b c-a d)^3 \left (a+b x^2\right ) \left (c+d x^2\right )^{3/2}}-\frac {b^2 (b c-6 a d) \arctan \left (\frac {a \sqrt {d}+b x \left (\sqrt {d} x-\sqrt {c+d x^2}\right )}{\sqrt {a} \sqrt {b c-a d}}\right )}{2 a^{3/2} (b c-a d)^{7/2}} \]
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Time = 3.10 (sec) , antiderivative size = 158, normalized size of antiderivative = 0.79
method | result | size |
pseudoelliptic | \(\frac {-\frac {b^{2} c^{2} \left (\frac {b \sqrt {d \,x^{2}+c}\, x}{b \,x^{2}+a}-\frac {\left (6 a d -b c \right ) \operatorname {arctanh}\left (\frac {\sqrt {d \,x^{2}+c}\, a}{x \sqrt {\left (a d -b c \right ) a}}\right )}{\sqrt {\left (a d -b c \right ) a}}\right )}{2 a \left (a d -b c \right )^{3}}+\frac {\left (a d -3 b c \right ) d^{2} x}{\left (a d -b c \right )^{3} \sqrt {d \,x^{2}+c}}-\frac {d^{3} x^{3}}{3 \left (a d -b c \right )^{2} \left (d \,x^{2}+c \right )^{\frac {3}{2}}}}{c^{2}}\) | \(158\) |
default | \(\text {Expression too large to display}\) | \(3489\) |
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Leaf count of result is larger than twice the leaf count of optimal. 697 vs. \(2 (177) = 354\).
Time = 0.90 (sec) , antiderivative size = 1434, normalized size of antiderivative = 7.13 \[ \int \frac {1}{\left (a+b x^2\right )^2 \left (c+d x^2\right )^{5/2}} \, dx=\text {Too large to display} \]
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\[ \int \frac {1}{\left (a+b x^2\right )^2 \left (c+d x^2\right )^{5/2}} \, dx=\int \frac {1}{\left (a + b x^{2}\right )^{2} \left (c + d x^{2}\right )^{\frac {5}{2}}}\, dx \]
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\[ \int \frac {1}{\left (a+b x^2\right )^2 \left (c+d x^2\right )^{5/2}} \, dx=\int { \frac {1}{{\left (b x^{2} + a\right )}^{2} {\left (d x^{2} + c\right )}^{\frac {5}{2}}} \,d x } \]
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Leaf count of result is larger than twice the leaf count of optimal. 619 vs. \(2 (177) = 354\).
Time = 0.90 (sec) , antiderivative size = 619, normalized size of antiderivative = 3.08 \[ \int \frac {1}{\left (a+b x^2\right )^2 \left (c+d x^2\right )^{5/2}} \, dx=\frac {{\left (\frac {2 \, {\left (4 \, b^{4} c^{4} d^{4} - 13 \, a b^{3} c^{3} d^{5} + 15 \, a^{2} b^{2} c^{2} d^{6} - 7 \, a^{3} b c d^{7} + a^{4} d^{8}\right )} x^{2}}{b^{6} c^{8} d - 6 \, a b^{5} c^{7} d^{2} + 15 \, a^{2} b^{4} c^{6} d^{3} - 20 \, a^{3} b^{3} c^{5} d^{4} + 15 \, a^{4} b^{2} c^{4} d^{5} - 6 \, a^{5} b c^{3} d^{6} + a^{6} c^{2} d^{7}} + \frac {3 \, {\left (3 \, b^{4} c^{5} d^{3} - 10 \, a b^{3} c^{4} d^{4} + 12 \, a^{2} b^{2} c^{3} d^{5} - 6 \, a^{3} b c^{2} d^{6} + a^{4} c d^{7}\right )}}{b^{6} c^{8} d - 6 \, a b^{5} c^{7} d^{2} + 15 \, a^{2} b^{4} c^{6} d^{3} - 20 \, a^{3} b^{3} c^{5} d^{4} + 15 \, a^{4} b^{2} c^{4} d^{5} - 6 \, a^{5} b c^{3} d^{6} + a^{6} c^{2} d^{7}}\right )} x}{3 \, {\left (d x^{2} + c\right )}^{\frac {3}{2}}} + \frac {{\left (b^{3} c \sqrt {d} - 6 \, a b^{2} d^{\frac {3}{2}}\right )} \arctan \left (-\frac {{\left (\sqrt {d} x - \sqrt {d x^{2} + c}\right )}^{2} b - b c + 2 \, a d}{2 \, \sqrt {a b c d - a^{2} d^{2}}}\right )}{2 \, {\left (a b^{3} c^{3} - 3 \, a^{2} b^{2} c^{2} d + 3 \, a^{3} b c d^{2} - a^{4} d^{3}\right )} \sqrt {a b c d - a^{2} d^{2}}} - \frac {{\left (\sqrt {d} x - \sqrt {d x^{2} + c}\right )}^{2} b^{3} c \sqrt {d} - 2 \, {\left (\sqrt {d} x - \sqrt {d x^{2} + c}\right )}^{2} a b^{2} d^{\frac {3}{2}} - b^{3} c^{2} \sqrt {d}}{{\left (a b^{3} c^{3} - 3 \, a^{2} b^{2} c^{2} d + 3 \, a^{3} b c d^{2} - a^{4} d^{3}\right )} {\left ({\left (\sqrt {d} x - \sqrt {d x^{2} + c}\right )}^{4} b - 2 \, {\left (\sqrt {d} x - \sqrt {d x^{2} + c}\right )}^{2} b c + 4 \, {\left (\sqrt {d} x - \sqrt {d x^{2} + c}\right )}^{2} a d + b c^{2}\right )}} \]
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Timed out. \[ \int \frac {1}{\left (a+b x^2\right )^2 \left (c+d x^2\right )^{5/2}} \, dx=\int \frac {1}{{\left (b\,x^2+a\right )}^2\,{\left (d\,x^2+c\right )}^{5/2}} \,d x \]
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