Optimal. Leaf size=109 \[ -\frac {d x}{2 c (b c-a d) \left (c+d x^2\right )}+\frac {b^{3/2} \tan ^{-1}\left (\frac {\sqrt {b} x}{\sqrt {a}}\right )}{\sqrt {a} (b c-a d)^2}-\frac {\sqrt {d} (3 b c-a d) \tan ^{-1}\left (\frac {\sqrt {d} x}{\sqrt {c}}\right )}{2 c^{3/2} (b c-a d)^2} \]
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Rubi [A]
time = 0.06, antiderivative size = 109, normalized size of antiderivative = 1.00, number of steps
used = 4, number of rules used = 3, integrand size = 19, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.158, Rules used = {425, 536, 211}
\begin {gather*} \frac {b^{3/2} \text {ArcTan}\left (\frac {\sqrt {b} x}{\sqrt {a}}\right )}{\sqrt {a} (b c-a d)^2}-\frac {\sqrt {d} (3 b c-a d) \text {ArcTan}\left (\frac {\sqrt {d} x}{\sqrt {c}}\right )}{2 c^{3/2} (b c-a d)^2}-\frac {d x}{2 c \left (c+d x^2\right ) (b c-a d)} \end {gather*}
Antiderivative was successfully verified.
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Rule 211
Rule 425
Rule 536
Rubi steps
\begin {align*} \int \frac {1}{\left (a+b x^2\right ) \left (c+d x^2\right )^2} \, dx &=-\frac {d x}{2 c (b c-a d) \left (c+d x^2\right )}+\frac {\int \frac {2 b c-a d-b d x^2}{\left (a+b x^2\right ) \left (c+d x^2\right )} \, dx}{2 c (b c-a d)}\\ &=-\frac {d x}{2 c (b c-a d) \left (c+d x^2\right )}+\frac {b^2 \int \frac {1}{a+b x^2} \, dx}{(b c-a d)^2}-\frac {(d (3 b c-a d)) \int \frac {1}{c+d x^2} \, dx}{2 c (b c-a d)^2}\\ &=-\frac {d x}{2 c (b c-a d) \left (c+d x^2\right )}+\frac {b^{3/2} \tan ^{-1}\left (\frac {\sqrt {b} x}{\sqrt {a}}\right )}{\sqrt {a} (b c-a d)^2}-\frac {\sqrt {d} (3 b c-a d) \tan ^{-1}\left (\frac {\sqrt {d} x}{\sqrt {c}}\right )}{2 c^{3/2} (b c-a d)^2}\\ \end {align*}
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Mathematica [A]
time = 0.13, size = 95, normalized size = 0.87 \begin {gather*} \frac {\frac {d (-b c+a d) x}{c \left (c+d x^2\right )}+\frac {2 b^{3/2} \tan ^{-1}\left (\frac {\sqrt {b} x}{\sqrt {a}}\right )}{\sqrt {a}}+\frac {\sqrt {d} (-3 b c+a d) \tan ^{-1}\left (\frac {\sqrt {d} x}{\sqrt {c}}\right )}{c^{3/2}}}{2 (b c-a d)^2} \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 0.15, size = 93, normalized size = 0.85
method | result | size |
default | \(\frac {b^{2} \arctan \left (\frac {b x}{\sqrt {a b}}\right )}{\left (a d -b c \right )^{2} \sqrt {a b}}+\frac {d \left (\frac {\left (a d -b c \right ) x}{2 c \left (d \,x^{2}+c \right )}+\frac {\left (a d -3 b c \right ) \arctan \left (\frac {d x}{\sqrt {c d}}\right )}{2 c \sqrt {c d}}\right )}{\left (a d -b c \right )^{2}}\) | \(93\) |
risch | \(\frac {d x}{2 c \left (a d -b c \right ) \left (d \,x^{2}+c \right )}+\frac {\sqrt {-a b}\, b \ln \left (\left (-4 \left (-a b \right )^{\frac {3}{2}} a b \,c^{2} d -4 \left (-a b \right )^{\frac {3}{2}} b^{2} c^{3}-\sqrt {-a b}\, a^{4} d^{3}+6 \sqrt {-a b}\, a^{3} b c \,d^{2}-13 \sqrt {-a b}\, a^{2} b^{2} c^{2} d \right ) x +a^{5} d^{3}-6 a^{4} b c \,d^{2}+9 a^{3} b^{2} c^{2} d -4 b^{3} a^{2} c^{3}\right )}{2 a \left (a d -b c \right )^{2}}-\frac {\sqrt {-a b}\, b \ln \left (\left (4 \left (-a b \right )^{\frac {3}{2}} a b \,c^{2} d +4 \left (-a b \right )^{\frac {3}{2}} b^{2} c^{3}+\sqrt {-a b}\, a^{4} d^{3}-6 \sqrt {-a b}\, a^{3} b c \,d^{2}+13 \sqrt {-a b}\, a^{2} b^{2} c^{2} d \right ) x +a^{5} d^{3}-6 a^{4} b c \,d^{2}+9 a^{3} b^{2} c^{2} d -4 b^{3} a^{2} c^{3}\right )}{2 a \left (a d -b c \right )^{2}}+\frac {\sqrt {-c d}\, \ln \left (\left (-\left (-c d \right )^{\frac {3}{2}} a^{3} d^{3}+5 \left (-c d \right )^{\frac {3}{2}} a^{2} b c \,d^{2}-3 \left (-c d \right )^{\frac {3}{2}} a \,b^{2} c^{2} d -9 \left (-c d \right )^{\frac {3}{2}} b^{3} c^{3}-\sqrt {-c d}\, a^{2} b \,c^{2} d^{3}+6 \sqrt {-c d}\, a \,b^{2} c^{3} d^{2}-13 \sqrt {-c d}\, b^{3} c^{4} d \right ) x -a^{3} c^{2} d^{4}+6 a^{2} b \,c^{3} d^{3}-9 a \,b^{2} d^{2} c^{4}+4 b^{3} c^{5} d \right ) a d}{4 c^{2} \left (a d -b c \right )^{2}}-\frac {3 \sqrt {-c d}\, \ln \left (\left (-\left (-c d \right )^{\frac {3}{2}} a^{3} d^{3}+5 \left (-c d \right )^{\frac {3}{2}} a^{2} b c \,d^{2}-3 \left (-c d \right )^{\frac {3}{2}} a \,b^{2} c^{2} d -9 \left (-c d \right )^{\frac {3}{2}} b^{3} c^{3}-\sqrt {-c d}\, a^{2} b \,c^{2} d^{3}+6 \sqrt {-c d}\, a \,b^{2} c^{3} d^{2}-13 \sqrt {-c d}\, b^{3} c^{4} d \right ) x -a^{3} c^{2} d^{4}+6 a^{2} b \,c^{3} d^{3}-9 a \,b^{2} d^{2} c^{4}+4 b^{3} c^{5} d \right ) b}{4 c \left (a d -b c \right )^{2}}-\frac {\sqrt {-c d}\, \ln \left (\left (\left (-c d \right )^{\frac {3}{2}} a^{3} d^{3}-5 \left (-c d \right )^{\frac {3}{2}} a^{2} b c \,d^{2}+3 \left (-c d \right )^{\frac {3}{2}} a \,b^{2} c^{2} d +9 \left (-c d \right )^{\frac {3}{2}} b^{3} c^{3}+\sqrt {-c d}\, a^{2} b \,c^{2} d^{3}-6 \sqrt {-c d}\, a \,b^{2} c^{3} d^{2}+13 \sqrt {-c d}\, b^{3} c^{4} d \right ) x -a^{3} c^{2} d^{4}+6 a^{2} b \,c^{3} d^{3}-9 a \,b^{2} d^{2} c^{4}+4 b^{3} c^{5} d \right ) a d}{4 c^{2} \left (a d -b c \right )^{2}}+\frac {3 \sqrt {-c d}\, \ln \left (\left (\left (-c d \right )^{\frac {3}{2}} a^{3} d^{3}-5 \left (-c d \right )^{\frac {3}{2}} a^{2} b c \,d^{2}+3 \left (-c d \right )^{\frac {3}{2}} a \,b^{2} c^{2} d +9 \left (-c d \right )^{\frac {3}{2}} b^{3} c^{3}+\sqrt {-c d}\, a^{2} b \,c^{2} d^{3}-6 \sqrt {-c d}\, a \,b^{2} c^{3} d^{2}+13 \sqrt {-c d}\, b^{3} c^{4} d \right ) x -a^{3} c^{2} d^{4}+6 a^{2} b \,c^{3} d^{3}-9 a \,b^{2} d^{2} c^{4}+4 b^{3} c^{5} d \right ) b}{4 c \left (a d -b c \right )^{2}}\) | \(1039\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A]
time = 0.50, size = 133, normalized size = 1.22 \begin {gather*} \frac {b^{2} \arctan \left (\frac {b x}{\sqrt {a b}}\right )}{{\left (b^{2} c^{2} - 2 \, a b c d + a^{2} d^{2}\right )} \sqrt {a b}} - \frac {d x}{2 \, {\left (b c^{3} - a c^{2} d + {\left (b c^{2} d - a c d^{2}\right )} x^{2}\right )}} - \frac {{\left (3 \, b c d - a d^{2}\right )} \arctan \left (\frac {d x}{\sqrt {c d}}\right )}{2 \, {\left (b^{2} c^{3} - 2 \, a b c^{2} d + a^{2} c d^{2}\right )} \sqrt {c d}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 1.06, size = 711, normalized size = 6.52 \begin {gather*} \left [\frac {2 \, {\left (b c d x^{2} + b c^{2}\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 (3 \, b c^{2} - a c d + {\left (3 \, b c d - a d^{2}\right )} x^{2}\right )} \sqrt {-\frac {d}{c}} \log \left (\frac {d x^{2} + 2 \, c x \sqrt {-\frac {d}{c}} - c}{d x^{2} + c}\right ) - 2 \, {\left (b c d - a d^{2}\right )} x}{4 \, {\left (b^{2} c^{4} - 2 \, a b c^{3} d + a^{2} c^{2} d^{2} + {\left (b^{2} c^{3} d - 2 \, a b c^{2} d^{2} + a^{2} c d^{3}\right )} x^{2}\right )}}, -\frac {{\left (3 \, b c^{2} - a c d + {\left (3 \, b c d - a d^{2}\right )} x^{2}\right )} \sqrt {\frac {d}{c}} \arctan \left (x \sqrt {\frac {d}{c}}\right ) - {\left (b c d x^{2} + b c^{2}\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 (b c d - a d^{2}\right )} x}{2 \, {\left (b^{2} c^{4} - 2 \, a b c^{3} d + a^{2} c^{2} d^{2} + {\left (b^{2} c^{3} d - 2 \, a b c^{2} d^{2} + a^{2} c d^{3}\right )} x^{2}\right )}}, \frac {4 \, {\left (b c d x^{2} + b c^{2}\right )} \sqrt {\frac {b}{a}} \arctan \left (x \sqrt {\frac {b}{a}}\right ) - {\left (3 \, b c^{2} - a c d + {\left (3 \, b c d - a d^{2}\right )} x^{2}\right )} \sqrt {-\frac {d}{c}} \log \left (\frac {d x^{2} + 2 \, c x \sqrt {-\frac {d}{c}} - c}{d x^{2} + c}\right ) - 2 \, {\left (b c d - a d^{2}\right )} x}{4 \, {\left (b^{2} c^{4} - 2 \, a b c^{3} d + a^{2} c^{2} d^{2} + {\left (b^{2} c^{3} d - 2 \, a b c^{2} d^{2} + a^{2} c d^{3}\right )} x^{2}\right )}}, \frac {2 \, {\left (b c d x^{2} + b c^{2}\right )} \sqrt {\frac {b}{a}} \arctan \left (x \sqrt {\frac {b}{a}}\right ) - {\left (3 \, b c^{2} - a c d + {\left (3 \, b c d - a d^{2}\right )} x^{2}\right )} \sqrt {\frac {d}{c}} \arctan \left (x \sqrt {\frac {d}{c}}\right ) - {\left (b c d - a d^{2}\right )} x}{2 \, {\left (b^{2} c^{4} - 2 \, a b c^{3} d + a^{2} c^{2} d^{2} + {\left (b^{2} c^{3} d - 2 \, a b c^{2} d^{2} + a^{2} c d^{3}\right )} x^{2}\right )}}\right ] \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [F(-1)] Timed out
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {Timed out} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A]
time = 1.43, size = 122, normalized size = 1.12 \begin {gather*} \frac {b^{2} \arctan \left (\frac {b x}{\sqrt {a b}}\right )}{{\left (b^{2} c^{2} - 2 \, a b c d + a^{2} d^{2}\right )} \sqrt {a b}} - \frac {{\left (3 \, b c d - a d^{2}\right )} \arctan \left (\frac {d x}{\sqrt {c d}}\right )}{2 \, {\left (b^{2} c^{3} - 2 \, a b c^{2} d + a^{2} c d^{2}\right )} \sqrt {c d}} - \frac {d x}{2 \, {\left (b c^{2} - a c d\right )} {\left (d x^{2} + c\right )}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 5.69, size = 2500, normalized size = 22.94 \begin {gather*} \text {Too large to display} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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