Integrand size = 22, antiderivative size = 144 \[ \int \frac {1}{x^2 \left (a+b x^2\right ) \left (c+d x^2\right )^2} \, dx=-\frac {2 b c-3 a d}{2 a c^2 (b c-a d) x}-\frac {d}{2 c (b c-a d) x \left (c+d x^2\right )}-\frac {b^{5/2} \arctan \left (\frac {\sqrt {b} x}{\sqrt {a}}\right )}{a^{3/2} (b c-a d)^2}+\frac {d^{3/2} (5 b c-3 a d) \arctan \left (\frac {\sqrt {d} x}{\sqrt {c}}\right )}{2 c^{5/2} (b c-a d)^2} \]
[Out]
Time = 0.13 (sec) , antiderivative size = 144, normalized size of antiderivative = 1.00, number of steps used = 5, number of rules used = 4, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.182, Rules used = {483, 597, 536, 211} \[ \int \frac {1}{x^2 \left (a+b x^2\right ) \left (c+d x^2\right )^2} \, dx=-\frac {b^{5/2} \arctan \left (\frac {\sqrt {b} x}{\sqrt {a}}\right )}{a^{3/2} (b c-a d)^2}+\frac {d^{3/2} (5 b c-3 a d) \arctan \left (\frac {\sqrt {d} x}{\sqrt {c}}\right )}{2 c^{5/2} (b c-a d)^2}-\frac {2 b c-3 a d}{2 a c^2 x (b c-a d)}-\frac {d}{2 c x \left (c+d x^2\right ) (b c-a d)} \]
[In]
[Out]
Rule 211
Rule 483
Rule 536
Rule 597
Rubi steps \begin{align*} \text {integral}& = -\frac {d}{2 c (b c-a d) x \left (c+d x^2\right )}+\frac {\int \frac {2 b c-3 a d-3 b d x^2}{x^2 \left (a+b x^2\right ) \left (c+d x^2\right )} \, dx}{2 c (b c-a d)} \\ & = -\frac {2 b c-3 a d}{2 a c^2 (b c-a d) x}-\frac {d}{2 c (b c-a d) x \left (c+d x^2\right )}-\frac {\int \frac {2 b^2 c^2+2 a b c d-3 a^2 d^2+b d (2 b c-3 a d) x^2}{\left (a+b x^2\right ) \left (c+d x^2\right )} \, dx}{2 a c^2 (b c-a d)} \\ & = -\frac {2 b c-3 a d}{2 a c^2 (b c-a d) x}-\frac {d}{2 c (b c-a d) x \left (c+d x^2\right )}-\frac {b^3 \int \frac {1}{a+b x^2} \, dx}{a (b c-a d)^2}+\frac {\left (d^2 (5 b c-3 a d)\right ) \int \frac {1}{c+d x^2} \, dx}{2 c^2 (b c-a d)^2} \\ & = -\frac {2 b c-3 a d}{2 a c^2 (b c-a d) x}-\frac {d}{2 c (b c-a d) x \left (c+d x^2\right )}-\frac {b^{5/2} \tan ^{-1}\left (\frac {\sqrt {b} x}{\sqrt {a}}\right )}{a^{3/2} (b c-a d)^2}+\frac {d^{3/2} (5 b c-3 a d) \tan ^{-1}\left (\frac {\sqrt {d} x}{\sqrt {c}}\right )}{2 c^{5/2} (b c-a d)^2} \\ \end{align*}
Time = 0.11 (sec) , antiderivative size = 123, normalized size of antiderivative = 0.85 \[ \int \frac {1}{x^2 \left (a+b x^2\right ) \left (c+d x^2\right )^2} \, dx=-\frac {1}{a c^2 x}+\frac {d^2 x}{2 c^2 (b c-a d) \left (c+d x^2\right )}-\frac {b^{5/2} \arctan \left (\frac {\sqrt {b} x}{\sqrt {a}}\right )}{a^{3/2} (-b c+a d)^2}+\frac {d^{3/2} (5 b c-3 a d) \arctan \left (\frac {\sqrt {d} x}{\sqrt {c}}\right )}{2 c^{5/2} (b c-a d)^2} \]
[In]
[Out]
Time = 2.73 (sec) , antiderivative size = 109, normalized size of antiderivative = 0.76
method | result | size |
default | \(-\frac {1}{a \,c^{2} x}-\frac {b^{3} \arctan \left (\frac {b x}{\sqrt {a b}}\right )}{a \left (a d -b c \right )^{2} \sqrt {a b}}-\frac {d^{2} \left (\frac {\left (\frac {a d}{2}-\frac {b c}{2}\right ) x}{d \,x^{2}+c}+\frac {\left (3 a d -5 b c \right ) \arctan \left (\frac {d x}{\sqrt {c d}}\right )}{2 \sqrt {c d}}\right )}{\left (a d -b c \right )^{2} c^{2}}\) | \(109\) |
risch | \(\text {Expression too large to display}\) | \(1117\) |
[In]
[Out]
none
Time = 0.45 (sec) , antiderivative size = 1005, normalized size of antiderivative = 6.98 \[ \int \frac {1}{x^2 \left (a+b x^2\right ) \left (c+d x^2\right )^2} \, dx=\left [-\frac {4 \, b^{2} c^{3} - 8 \, a b c^{2} d + 4 \, a^{2} c d^{2} + 2 \, {\left (2 \, b^{2} c^{2} d - 5 \, a b c d^{2} + 3 \, a^{2} d^{3}\right )} x^{2} - 2 \, {\left (b^{2} c^{2} d x^{3} + b^{2} c^{3} x\right )} \sqrt {-\frac {b}{a}} \log \left (\frac {b x^{2} - 2 \, a x \sqrt {-\frac {b}{a}} - a}{b x^{2} + a}\right ) + {\left ({\left (5 \, a b c d^{2} - 3 \, a^{2} d^{3}\right )} x^{3} + {\left (5 \, a b c^{2} d - 3 \, a^{2} c d^{2}\right )} x\right )} \sqrt {-\frac {d}{c}} \log \left (\frac {d x^{2} - 2 \, c x \sqrt {-\frac {d}{c}} - c}{d x^{2} + c}\right )}{4 \, {\left ({\left (a b^{2} c^{4} d - 2 \, a^{2} b c^{3} d^{2} + a^{3} c^{2} d^{3}\right )} x^{3} + {\left (a b^{2} c^{5} - 2 \, a^{2} b c^{4} d + a^{3} c^{3} d^{2}\right )} x\right )}}, -\frac {2 \, b^{2} c^{3} - 4 \, a b c^{2} d + 2 \, a^{2} c d^{2} + {\left (2 \, b^{2} c^{2} d - 5 \, a b c d^{2} + 3 \, a^{2} d^{3}\right )} x^{2} - {\left ({\left (5 \, a b c d^{2} - 3 \, a^{2} d^{3}\right )} x^{3} + {\left (5 \, a b c^{2} d - 3 \, a^{2} c d^{2}\right )} x\right )} \sqrt {\frac {d}{c}} \arctan \left (x \sqrt {\frac {d}{c}}\right ) - {\left (b^{2} c^{2} d x^{3} + b^{2} c^{3} x\right )} \sqrt {-\frac {b}{a}} \log \left (\frac {b x^{2} - 2 \, a x \sqrt {-\frac {b}{a}} - a}{b x^{2} + a}\right )}{2 \, {\left ({\left (a b^{2} c^{4} d - 2 \, a^{2} b c^{3} d^{2} + a^{3} c^{2} d^{3}\right )} x^{3} + {\left (a b^{2} c^{5} - 2 \, a^{2} b c^{4} d + a^{3} c^{3} d^{2}\right )} x\right )}}, -\frac {4 \, b^{2} c^{3} - 8 \, a b c^{2} d + 4 \, a^{2} c d^{2} + 2 \, {\left (2 \, b^{2} c^{2} d - 5 \, a b c d^{2} + 3 \, a^{2} d^{3}\right )} x^{2} + 4 \, {\left (b^{2} c^{2} d x^{3} + b^{2} c^{3} x\right )} \sqrt {\frac {b}{a}} \arctan \left (x \sqrt {\frac {b}{a}}\right ) + {\left ({\left (5 \, a b c d^{2} - 3 \, a^{2} d^{3}\right )} x^{3} + {\left (5 \, a b c^{2} d - 3 \, a^{2} c d^{2}\right )} x\right )} \sqrt {-\frac {d}{c}} \log \left (\frac {d x^{2} - 2 \, c x \sqrt {-\frac {d}{c}} - c}{d x^{2} + c}\right )}{4 \, {\left ({\left (a b^{2} c^{4} d - 2 \, a^{2} b c^{3} d^{2} + a^{3} c^{2} d^{3}\right )} x^{3} + {\left (a b^{2} c^{5} - 2 \, a^{2} b c^{4} d + a^{3} c^{3} d^{2}\right )} x\right )}}, -\frac {2 \, b^{2} c^{3} - 4 \, a b c^{2} d + 2 \, a^{2} c d^{2} + {\left (2 \, b^{2} c^{2} d - 5 \, a b c d^{2} + 3 \, a^{2} d^{3}\right )} x^{2} + 2 \, {\left (b^{2} c^{2} d x^{3} + b^{2} c^{3} x\right )} \sqrt {\frac {b}{a}} \arctan \left (x \sqrt {\frac {b}{a}}\right ) - {\left ({\left (5 \, a b c d^{2} - 3 \, a^{2} d^{3}\right )} x^{3} + {\left (5 \, a b c^{2} d - 3 \, a^{2} c d^{2}\right )} x\right )} \sqrt {\frac {d}{c}} \arctan \left (x \sqrt {\frac {d}{c}}\right )}{2 \, {\left ({\left (a b^{2} c^{4} d - 2 \, a^{2} b c^{3} d^{2} + a^{3} c^{2} d^{3}\right )} x^{3} + {\left (a b^{2} c^{5} - 2 \, a^{2} b c^{4} d + a^{3} c^{3} d^{2}\right )} x\right )}}\right ] \]
[In]
[Out]
Timed out. \[ \int \frac {1}{x^2 \left (a+b x^2\right ) \left (c+d x^2\right )^2} \, dx=\text {Timed out} \]
[In]
[Out]
none
Time = 0.30 (sec) , antiderivative size = 178, normalized size of antiderivative = 1.24 \[ \int \frac {1}{x^2 \left (a+b x^2\right ) \left (c+d x^2\right )^2} \, dx=-\frac {b^{3} \arctan \left (\frac {b x}{\sqrt {a b}}\right )}{{\left (a b^{2} c^{2} - 2 \, a^{2} b c d + a^{3} d^{2}\right )} \sqrt {a b}} + \frac {{\left (5 \, b c d^{2} - 3 \, a d^{3}\right )} \arctan \left (\frac {d x}{\sqrt {c d}}\right )}{2 \, {\left (b^{2} c^{4} - 2 \, a b c^{3} d + a^{2} c^{2} d^{2}\right )} \sqrt {c d}} - \frac {2 \, b c^{2} - 2 \, a c d + {\left (2 \, b c d - 3 \, a d^{2}\right )} x^{2}}{2 \, {\left ({\left (a b c^{3} d - a^{2} c^{2} d^{2}\right )} x^{3} + {\left (a b c^{4} - a^{2} c^{3} d\right )} x\right )}} \]
[In]
[Out]
none
Time = 0.28 (sec) , antiderivative size = 164, normalized size of antiderivative = 1.14 \[ \int \frac {1}{x^2 \left (a+b x^2\right ) \left (c+d x^2\right )^2} \, dx=-\frac {b^{3} \arctan \left (\frac {b x}{\sqrt {a b}}\right )}{{\left (a b^{2} c^{2} - 2 \, a^{2} b c d + a^{3} d^{2}\right )} \sqrt {a b}} + \frac {{\left (5 \, b c d^{2} - 3 \, a d^{3}\right )} \arctan \left (\frac {d x}{\sqrt {c d}}\right )}{2 \, {\left (b^{2} c^{4} - 2 \, a b c^{3} d + a^{2} c^{2} d^{2}\right )} \sqrt {c d}} - \frac {2 \, b c d x^{2} - 3 \, a d^{2} x^{2} + 2 \, b c^{2} - 2 \, a c d}{2 \, {\left (a b c^{3} - a^{2} c^{2} d\right )} {\left (d x^{3} + c x\right )}} \]
[In]
[Out]
Time = 5.86 (sec) , antiderivative size = 432, normalized size of antiderivative = 3.00 \[ \int \frac {1}{x^2 \left (a+b x^2\right ) \left (c+d x^2\right )^2} \, dx=-\frac {\frac {1}{a\,c}+\frac {x^2\,\left (3\,a\,d^2-2\,b\,c\,d\right )}{2\,a\,c^2\,\left (a\,d-b\,c\right )}}{d\,x^3+c\,x}+\frac {\mathrm {atan}\left (\frac {b\,c^5\,x\,{\left (-a^3\,b^5\right )}^{3/2}\,4{}\mathrm {i}+a^8\,b\,d^5\,x\,\sqrt {-a^3\,b^5}\,9{}\mathrm {i}+a^6\,b^3\,c^2\,d^3\,x\,\sqrt {-a^3\,b^5}\,25{}\mathrm {i}-a^7\,b^2\,c\,d^4\,x\,\sqrt {-a^3\,b^5}\,30{}\mathrm {i}}{-9\,a^{10}\,b^3\,d^5+30\,a^9\,b^4\,c\,d^4-25\,a^8\,b^5\,c^2\,d^3+4\,a^5\,b^8\,c^5}\right )\,\sqrt {-a^3\,b^5}\,1{}\mathrm {i}}{a^5\,d^2-2\,a^4\,b\,c\,d+a^3\,b^2\,c^2}+\frac {\mathrm {atan}\left (\frac {a^5\,d^3\,x\,{\left (-c^5\,d^3\right )}^{3/2}\,9{}\mathrm {i}+b^5\,c^{10}\,d\,x\,\sqrt {-c^5\,d^3}\,4{}\mathrm {i}-a^4\,b\,c\,d^2\,x\,{\left (-c^5\,d^3\right )}^{3/2}\,30{}\mathrm {i}+a^3\,b^2\,c^2\,d\,x\,{\left (-c^5\,d^3\right )}^{3/2}\,25{}\mathrm {i}}{9\,a^5\,c^8\,d^7-30\,a^4\,b\,c^9\,d^6+25\,a^3\,b^2\,c^{10}\,d^5-4\,b^5\,c^{13}\,d^2}\right )\,\left (3\,a\,d-5\,b\,c\right )\,\sqrt {-c^5\,d^3}\,1{}\mathrm {i}}{2\,\left (a^2\,c^5\,d^2-2\,a\,b\,c^6\,d+b^2\,c^7\right )} \]
[In]
[Out]