Optimal. Leaf size=90 \[ \frac {c (b c-a d)^2}{2 d^4 \left (c+d x^2\right )}+\frac {(b c-a d) (3 b c-a d) \log \left (c+d x^2\right )}{2 d^4}-\frac {b x^2 (b c-a d)}{d^3}+\frac {b^2 x^4}{4 d^2} \]
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Rubi [A] time = 0.10, antiderivative size = 90, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 2, integrand size = 22, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.091, Rules used = {446, 77} \[ -\frac {b x^2 (b c-a d)}{d^3}+\frac {c (b c-a d)^2}{2 d^4 \left (c+d x^2\right )}+\frac {(b c-a d) (3 b c-a d) \log \left (c+d x^2\right )}{2 d^4}+\frac {b^2 x^4}{4 d^2} \]
Antiderivative was successfully verified.
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Rule 77
Rule 446
Rubi steps
\begin {align*} \int \frac {x^3 \left (a+b x^2\right )^2}{\left (c+d x^2\right )^2} \, dx &=\frac {1}{2} \operatorname {Subst}\left (\int \frac {x (a+b x)^2}{(c+d x)^2} \, dx,x,x^2\right )\\ &=\frac {1}{2} \operatorname {Subst}\left (\int \left (-\frac {2 b (b c-a d)}{d^3}+\frac {b^2 x}{d^2}-\frac {c (b c-a d)^2}{d^3 (c+d x)^2}+\frac {(b c-a d) (3 b c-a d)}{d^3 (c+d x)}\right ) \, dx,x,x^2\right )\\ &=-\frac {b (b c-a d) x^2}{d^3}+\frac {b^2 x^4}{4 d^2}+\frac {c (b c-a d)^2}{2 d^4 \left (c+d x^2\right )}+\frac {(b c-a d) (3 b c-a d) \log \left (c+d x^2\right )}{2 d^4}\\ \end {align*}
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Mathematica [A] time = 0.06, size = 87, normalized size = 0.97 \[ \frac {2 \left (a^2 d^2-4 a b c d+3 b^2 c^2\right ) \log \left (c+d x^2\right )+4 b d x^2 (a d-b c)+\frac {2 c (b c-a d)^2}{c+d x^2}+b^2 d^2 x^4}{4 d^4} \]
Antiderivative was successfully verified.
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fricas [A] time = 0.49, size = 161, normalized size = 1.79 \[ \frac {b^{2} d^{3} x^{6} + 2 \, b^{2} c^{3} - 4 \, a b c^{2} d + 2 \, a^{2} c d^{2} - {\left (3 \, b^{2} c d^{2} - 4 \, a b d^{3}\right )} x^{4} - 4 \, {\left (b^{2} c^{2} d - a b c d^{2}\right )} x^{2} + 2 \, {\left (3 \, b^{2} c^{3} - 4 \, a b c^{2} d + a^{2} c d^{2} + {\left (3 \, b^{2} c^{2} d - 4 \, a b c d^{2} + a^{2} d^{3}\right )} x^{2}\right )} \log \left (d x^{2} + c\right )}{4 \, {\left (d^{5} x^{2} + c d^{4}\right )}} \]
Verification of antiderivative is not currently implemented for this CAS.
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giac [A] time = 0.35, size = 163, normalized size = 1.81 \[ \frac {\frac {{\left (d x^{2} + c\right )}^{2} {\left (b^{2} - \frac {2 \, {\left (3 \, b^{2} c d - 2 \, a b d^{2}\right )}}{{\left (d x^{2} + c\right )} d}\right )}}{d^{3}} - \frac {2 \, {\left (3 \, b^{2} c^{2} - 4 \, a b c d + a^{2} d^{2}\right )} \log \left (\frac {{\left | d x^{2} + c \right |}}{{\left (d x^{2} + c\right )}^{2} {\left | d \right |}}\right )}{d^{3}} + \frac {2 \, {\left (\frac {b^{2} c^{3} d^{2}}{d x^{2} + c} - \frac {2 \, a b c^{2} d^{3}}{d x^{2} + c} + \frac {a^{2} c d^{4}}{d x^{2} + c}\right )}}{d^{5}}}{4 \, d} \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [A] time = 0.01, size = 142, normalized size = 1.58 \[ \frac {b^{2} x^{4}}{4 d^{2}}+\frac {a b \,x^{2}}{d^{2}}-\frac {b^{2} c \,x^{2}}{d^{3}}+\frac {a^{2} c}{2 \left (d \,x^{2}+c \right ) d^{2}}+\frac {a^{2} \ln \left (d \,x^{2}+c \right )}{2 d^{2}}-\frac {a b \,c^{2}}{\left (d \,x^{2}+c \right ) d^{3}}-\frac {2 a b c \ln \left (d \,x^{2}+c \right )}{d^{3}}+\frac {b^{2} c^{3}}{2 \left (d \,x^{2}+c \right ) d^{4}}+\frac {3 b^{2} c^{2} \ln \left (d \,x^{2}+c \right )}{2 d^{4}} \]
Verification of antiderivative is not currently implemented for this CAS.
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maxima [A] time = 1.05, size = 107, normalized size = 1.19 \[ \frac {b^{2} c^{3} - 2 \, a b c^{2} d + a^{2} c d^{2}}{2 \, {\left (d^{5} x^{2} + c d^{4}\right )}} + \frac {b^{2} d x^{4} - 4 \, {\left (b^{2} c - a b d\right )} x^{2}}{4 \, d^{3}} + \frac {{\left (3 \, b^{2} c^{2} - 4 \, a b c d + a^{2} d^{2}\right )} \log \left (d x^{2} + c\right )}{2 \, d^{4}} \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 0.12, size = 112, normalized size = 1.24 \[ \frac {a^2\,c\,d^2-2\,a\,b\,c^2\,d+b^2\,c^3}{2\,d\,\left (d^4\,x^2+c\,d^3\right )}-x^2\,\left (\frac {b^2\,c}{d^3}-\frac {a\,b}{d^2}\right )+\frac {b^2\,x^4}{4\,d^2}+\frac {\ln \left (d\,x^2+c\right )\,\left (a^2\,d^2-4\,a\,b\,c\,d+3\,b^2\,c^2\right )}{2\,d^4} \]
Verification of antiderivative is not currently implemented for this CAS.
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sympy [A] time = 0.94, size = 99, normalized size = 1.10 \[ \frac {b^{2} x^{4}}{4 d^{2}} + x^{2} \left (\frac {a b}{d^{2}} - \frac {b^{2} c}{d^{3}}\right ) + \frac {a^{2} c d^{2} - 2 a b c^{2} d + b^{2} c^{3}}{2 c d^{4} + 2 d^{5} x^{2}} + \frac {\left (a d - 3 b c\right ) \left (a d - b c\right ) \log {\left (c + d x^{2} \right )}}{2 d^{4}} \]
Verification of antiderivative is not currently implemented for this CAS.
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