Integrand size = 24, antiderivative size = 103 \[ \int \frac {\left (a+b x^2\right )^2 \sqrt {c+d x^2}}{x^6} \, dx=-\frac {b^2 \sqrt {c+d x^2}}{x}-\frac {a^2 \left (c+d x^2\right )^{3/2}}{5 c x^5}-\frac {2 a (5 b c-a d) \left (c+d x^2\right )^{3/2}}{15 c^2 x^3}+b^2 \sqrt {d} \text {arctanh}\left (\frac {\sqrt {d} x}{\sqrt {c+d x^2}}\right ) \]
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Time = 0.05 (sec) , antiderivative size = 103, normalized size of antiderivative = 1.00, number of steps used = 5, number of rules used = 5, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.208, Rules used = {473, 462, 283, 223, 212} \[ \int \frac {\left (a+b x^2\right )^2 \sqrt {c+d x^2}}{x^6} \, dx=-\frac {a^2 \left (c+d x^2\right )^{3/2}}{5 c x^5}-\frac {2 a \left (c+d x^2\right )^{3/2} (5 b c-a d)}{15 c^2 x^3}+b^2 \sqrt {d} \text {arctanh}\left (\frac {\sqrt {d} x}{\sqrt {c+d x^2}}\right )-\frac {b^2 \sqrt {c+d x^2}}{x} \]
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Rule 212
Rule 223
Rule 283
Rule 462
Rule 473
Rubi steps \begin{align*} \text {integral}& = -\frac {a^2 \left (c+d x^2\right )^{3/2}}{5 c x^5}+\frac {\int \frac {\left (2 a (5 b c-a d)+5 b^2 c x^2\right ) \sqrt {c+d x^2}}{x^4} \, dx}{5 c} \\ & = -\frac {a^2 \left (c+d x^2\right )^{3/2}}{5 c x^5}-\frac {2 a (5 b c-a d) \left (c+d x^2\right )^{3/2}}{15 c^2 x^3}+b^2 \int \frac {\sqrt {c+d x^2}}{x^2} \, dx \\ & = -\frac {b^2 \sqrt {c+d x^2}}{x}-\frac {a^2 \left (c+d x^2\right )^{3/2}}{5 c x^5}-\frac {2 a (5 b c-a d) \left (c+d x^2\right )^{3/2}}{15 c^2 x^3}+\left (b^2 d\right ) \int \frac {1}{\sqrt {c+d x^2}} \, dx \\ & = -\frac {b^2 \sqrt {c+d x^2}}{x}-\frac {a^2 \left (c+d x^2\right )^{3/2}}{5 c x^5}-\frac {2 a (5 b c-a d) \left (c+d x^2\right )^{3/2}}{15 c^2 x^3}+\left (b^2 d\right ) \text {Subst}\left (\int \frac {1}{1-d x^2} \, dx,x,\frac {x}{\sqrt {c+d x^2}}\right ) \\ & = -\frac {b^2 \sqrt {c+d x^2}}{x}-\frac {a^2 \left (c+d x^2\right )^{3/2}}{5 c x^5}-\frac {2 a (5 b c-a d) \left (c+d x^2\right )^{3/2}}{15 c^2 x^3}+b^2 \sqrt {d} \tanh ^{-1}\left (\frac {\sqrt {d} x}{\sqrt {c+d x^2}}\right ) \\ \end{align*}
Time = 0.16 (sec) , antiderivative size = 104, normalized size of antiderivative = 1.01 \[ \int \frac {\left (a+b x^2\right )^2 \sqrt {c+d x^2}}{x^6} \, dx=-\frac {\sqrt {c+d x^2} \left (15 b^2 c^2 x^4+10 a b c x^2 \left (c+d x^2\right )+a^2 \left (3 c^2+c d x^2-2 d^2 x^4\right )\right )}{15 c^2 x^5}-b^2 \sqrt {d} \log \left (-\sqrt {d} x+\sqrt {c+d x^2}\right ) \]
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Time = 2.94 (sec) , antiderivative size = 101, normalized size of antiderivative = 0.98
method | result | size |
risch | \(-\frac {\sqrt {d \,x^{2}+c}\, \left (-2 a^{2} d^{2} x^{4}+10 x^{4} a b c d +15 b^{2} c^{2} x^{4}+a^{2} c d \,x^{2}+10 a b \,c^{2} x^{2}+3 a^{2} c^{2}\right )}{15 x^{5} c^{2}}+b^{2} \sqrt {d}\, \ln \left (x \sqrt {d}+\sqrt {d \,x^{2}+c}\right )\) | \(101\) |
pseudoelliptic | \(\frac {5 b^{2} c^{2} \sqrt {d}\, \operatorname {arctanh}\left (\frac {\sqrt {d \,x^{2}+c}}{x \sqrt {d}}\right ) x^{5}-\left (\left (5 b^{2} x^{4}+\frac {10}{3} a b \,x^{2}+a^{2}\right ) c^{2}+\frac {a d \,x^{2} \left (10 b \,x^{2}+a \right ) c}{3}-\frac {2 a^{2} d^{2} x^{4}}{3}\right ) \sqrt {d \,x^{2}+c}}{5 c^{2} x^{5}}\) | \(103\) |
default | \(b^{2} \left (-\frac {\left (d \,x^{2}+c \right )^{\frac {3}{2}}}{c x}+\frac {2 d \left (\frac {x \sqrt {d \,x^{2}+c}}{2}+\frac {c \ln \left (x \sqrt {d}+\sqrt {d \,x^{2}+c}\right )}{2 \sqrt {d}}\right )}{c}\right )+a^{2} \left (-\frac {\left (d \,x^{2}+c \right )^{\frac {3}{2}}}{5 c \,x^{5}}+\frac {2 d \left (d \,x^{2}+c \right )^{\frac {3}{2}}}{15 c^{2} x^{3}}\right )-\frac {2 a b \left (d \,x^{2}+c \right )^{\frac {3}{2}}}{3 c \,x^{3}}\) | \(124\) |
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Time = 0.28 (sec) , antiderivative size = 221, normalized size of antiderivative = 2.15 \[ \int \frac {\left (a+b x^2\right )^2 \sqrt {c+d x^2}}{x^6} \, dx=\left [\frac {15 \, b^{2} c^{2} \sqrt {d} x^{5} \log \left (-2 \, d x^{2} - 2 \, \sqrt {d x^{2} + c} \sqrt {d} x - c\right ) - 2 \, {\left ({\left (15 \, b^{2} c^{2} + 10 \, a b c d - 2 \, a^{2} d^{2}\right )} x^{4} + 3 \, a^{2} c^{2} + {\left (10 \, a b c^{2} + a^{2} c d\right )} x^{2}\right )} \sqrt {d x^{2} + c}}{30 \, c^{2} x^{5}}, -\frac {15 \, b^{2} c^{2} \sqrt {-d} x^{5} \arctan \left (\frac {\sqrt {-d} x}{\sqrt {d x^{2} + c}}\right ) + {\left ({\left (15 \, b^{2} c^{2} + 10 \, a b c d - 2 \, a^{2} d^{2}\right )} x^{4} + 3 \, a^{2} c^{2} + {\left (10 \, a b c^{2} + a^{2} c d\right )} x^{2}\right )} \sqrt {d x^{2} + c}}{15 \, c^{2} x^{5}}\right ] \]
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Leaf count of result is larger than twice the leaf count of optimal. 199 vs. \(2 (92) = 184\).
Time = 1.83 (sec) , antiderivative size = 199, normalized size of antiderivative = 1.93 \[ \int \frac {\left (a+b x^2\right )^2 \sqrt {c+d x^2}}{x^6} \, dx=- \frac {a^{2} \sqrt {d} \sqrt {\frac {c}{d x^{2}} + 1}}{5 x^{4}} - \frac {a^{2} d^{\frac {3}{2}} \sqrt {\frac {c}{d x^{2}} + 1}}{15 c x^{2}} + \frac {2 a^{2} d^{\frac {5}{2}} \sqrt {\frac {c}{d x^{2}} + 1}}{15 c^{2}} - \frac {2 a b \sqrt {d} \sqrt {\frac {c}{d x^{2}} + 1}}{3 x^{2}} - \frac {2 a b d^{\frac {3}{2}} \sqrt {\frac {c}{d x^{2}} + 1}}{3 c} - \frac {b^{2} \sqrt {c}}{x \sqrt {1 + \frac {d x^{2}}{c}}} + b^{2} \sqrt {d} \operatorname {asinh}{\left (\frac {\sqrt {d} x}{\sqrt {c}} \right )} - \frac {b^{2} d x}{\sqrt {c} \sqrt {1 + \frac {d x^{2}}{c}}} \]
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Time = 0.20 (sec) , antiderivative size = 94, normalized size of antiderivative = 0.91 \[ \int \frac {\left (a+b x^2\right )^2 \sqrt {c+d x^2}}{x^6} \, dx=b^{2} \sqrt {d} \operatorname {arsinh}\left (\frac {d x}{\sqrt {c d}}\right ) - \frac {\sqrt {d x^{2} + c} b^{2}}{x} - \frac {2 \, {\left (d x^{2} + c\right )}^{\frac {3}{2}} a b}{3 \, c x^{3}} + \frac {2 \, {\left (d x^{2} + c\right )}^{\frac {3}{2}} a^{2} d}{15 \, c^{2} x^{3}} - \frac {{\left (d x^{2} + c\right )}^{\frac {3}{2}} a^{2}}{5 \, c x^{5}} \]
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Leaf count of result is larger than twice the leaf count of optimal. 403 vs. \(2 (87) = 174\).
Time = 0.30 (sec) , antiderivative size = 403, normalized size of antiderivative = 3.91 \[ \int \frac {\left (a+b x^2\right )^2 \sqrt {c+d x^2}}{x^6} \, dx=-\frac {1}{2} \, b^{2} \sqrt {d} \log \left ({\left (\sqrt {d} x - \sqrt {d x^{2} + c}\right )}^{2}\right ) + \frac {2 \, {\left (15 \, {\left (\sqrt {d} x - \sqrt {d x^{2} + c}\right )}^{8} b^{2} c \sqrt {d} + 30 \, {\left (\sqrt {d} x - \sqrt {d x^{2} + c}\right )}^{8} a b d^{\frac {3}{2}} - 60 \, {\left (\sqrt {d} x - \sqrt {d x^{2} + c}\right )}^{6} b^{2} c^{2} \sqrt {d} - 60 \, {\left (\sqrt {d} x - \sqrt {d x^{2} + c}\right )}^{6} a b c d^{\frac {3}{2}} + 30 \, {\left (\sqrt {d} x - \sqrt {d x^{2} + c}\right )}^{6} a^{2} d^{\frac {5}{2}} + 90 \, {\left (\sqrt {d} x - \sqrt {d x^{2} + c}\right )}^{4} b^{2} c^{3} \sqrt {d} + 40 \, {\left (\sqrt {d} x - \sqrt {d x^{2} + c}\right )}^{4} a b c^{2} d^{\frac {3}{2}} + 10 \, {\left (\sqrt {d} x - \sqrt {d x^{2} + c}\right )}^{4} a^{2} c d^{\frac {5}{2}} - 60 \, {\left (\sqrt {d} x - \sqrt {d x^{2} + c}\right )}^{2} b^{2} c^{4} \sqrt {d} - 20 \, {\left (\sqrt {d} x - \sqrt {d x^{2} + c}\right )}^{2} a b c^{3} d^{\frac {3}{2}} + 10 \, {\left (\sqrt {d} x - \sqrt {d x^{2} + c}\right )}^{2} a^{2} c^{2} d^{\frac {5}{2}} + 15 \, b^{2} c^{5} \sqrt {d} + 10 \, a b c^{4} d^{\frac {3}{2}} - 2 \, a^{2} c^{3} d^{\frac {5}{2}}\right )}}{15 \, {\left ({\left (\sqrt {d} x - \sqrt {d x^{2} + c}\right )}^{2} - c\right )}^{5}} \]
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Timed out. \[ \int \frac {\left (a+b x^2\right )^2 \sqrt {c+d x^2}}{x^6} \, dx=\int \frac {{\left (b\,x^2+a\right )}^2\,\sqrt {d\,x^2+c}}{x^6} \,d x \]
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