Optimal. Leaf size=92 \[ -\frac {12 c^2 d^4 \tanh ^{-1}\left (\frac {b+2 c x}{\sqrt {b^2-4 a c}}\right )}{\sqrt {b^2-4 a c}}-\frac {3 c d^4 (b+2 c x)}{a+b x+c x^2}-\frac {d^4 (b+2 c x)^3}{2 \left (a+b x+c x^2\right )^2} \]
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Rubi [A] time = 0.06, antiderivative size = 92, normalized size of antiderivative = 1.00, number of steps used = 4, number of rules used = 3, integrand size = 24, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.125, Rules used = {686, 618, 206} \begin {gather*} -\frac {12 c^2 d^4 \tanh ^{-1}\left (\frac {b+2 c x}{\sqrt {b^2-4 a c}}\right )}{\sqrt {b^2-4 a c}}-\frac {3 c d^4 (b+2 c x)}{a+b x+c x^2}-\frac {d^4 (b+2 c x)^3}{2 \left (a+b x+c x^2\right )^2} \end {gather*}
Antiderivative was successfully verified.
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Rule 206
Rule 618
Rule 686
Rubi steps
\begin {align*} \int \frac {(b d+2 c d x)^4}{\left (a+b x+c x^2\right )^3} \, dx &=-\frac {d^4 (b+2 c x)^3}{2 \left (a+b x+c x^2\right )^2}+\left (3 c d^2\right ) \int \frac {(b d+2 c d x)^2}{\left (a+b x+c x^2\right )^2} \, dx\\ &=-\frac {d^4 (b+2 c x)^3}{2 \left (a+b x+c x^2\right )^2}-\frac {3 c d^4 (b+2 c x)}{a+b x+c x^2}+\left (6 c^2 d^4\right ) \int \frac {1}{a+b x+c x^2} \, dx\\ &=-\frac {d^4 (b+2 c x)^3}{2 \left (a+b x+c x^2\right )^2}-\frac {3 c d^4 (b+2 c x)}{a+b x+c x^2}-\left (12 c^2 d^4\right ) \operatorname {Subst}\left (\int \frac {1}{b^2-4 a c-x^2} \, dx,x,b+2 c x\right )\\ &=-\frac {d^4 (b+2 c x)^3}{2 \left (a+b x+c x^2\right )^2}-\frac {3 c d^4 (b+2 c x)}{a+b x+c x^2}-\frac {12 c^2 d^4 \tanh ^{-1}\left (\frac {b+2 c x}{\sqrt {b^2-4 a c}}\right )}{\sqrt {b^2-4 a c}}\\ \end {align*}
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Mathematica [A] time = 0.06, size = 89, normalized size = 0.97 \begin {gather*} d^4 \left (\frac {12 c^2 \tan ^{-1}\left (\frac {b+2 c x}{\sqrt {4 a c-b^2}}\right )}{\sqrt {4 a c-b^2}}-\frac {(b+2 c x) \left (2 c \left (3 a+5 c x^2\right )+b^2+10 b c x\right )}{2 (a+x (b+c x))^2}\right ) \end {gather*}
Antiderivative was successfully verified.
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IntegrateAlgebraic [F] time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \int \frac {(b d+2 c d x)^4}{\left (a+b x+c x^2\right )^3} \, dx \end {gather*}
Verification is not applicable to the result.
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fricas [B] time = 0.42, size = 625, normalized size = 6.79 \begin {gather*} \left [-\frac {20 \, {\left (b^{2} c^{3} - 4 \, a c^{4}\right )} d^{4} x^{3} + 30 \, {\left (b^{3} c^{2} - 4 \, a b c^{3}\right )} d^{4} x^{2} + 12 \, {\left (b^{4} c - 3 \, a b^{2} c^{2} - 4 \, a^{2} c^{3}\right )} d^{4} x + {\left (b^{5} + 2 \, a b^{3} c - 24 \, a^{2} b c^{2}\right )} d^{4} - 12 \, {\left (c^{4} d^{4} x^{4} + 2 \, b c^{3} d^{4} x^{3} + 2 \, a b c^{2} d^{4} x + a^{2} c^{2} d^{4} + {\left (b^{2} c^{2} + 2 \, a c^{3}\right )} d^{4} x^{2}\right )} \sqrt {b^{2} - 4 \, a c} \log \left (\frac {2 \, c^{2} x^{2} + 2 \, b c x + b^{2} - 2 \, a c - \sqrt {b^{2} - 4 \, a c} {\left (2 \, c x + b\right )}}{c x^{2} + b x + a}\right )}{2 \, {\left ({\left (b^{2} c^{2} - 4 \, a c^{3}\right )} x^{4} + a^{2} b^{2} - 4 \, a^{3} c + 2 \, {\left (b^{3} c - 4 \, a b c^{2}\right )} x^{3} + {\left (b^{4} - 2 \, a b^{2} c - 8 \, a^{2} c^{2}\right )} x^{2} + 2 \, {\left (a b^{3} - 4 \, a^{2} b c\right )} x\right )}}, -\frac {20 \, {\left (b^{2} c^{3} - 4 \, a c^{4}\right )} d^{4} x^{3} + 30 \, {\left (b^{3} c^{2} - 4 \, a b c^{3}\right )} d^{4} x^{2} + 12 \, {\left (b^{4} c - 3 \, a b^{2} c^{2} - 4 \, a^{2} c^{3}\right )} d^{4} x + {\left (b^{5} + 2 \, a b^{3} c - 24 \, a^{2} b c^{2}\right )} d^{4} + 24 \, {\left (c^{4} d^{4} x^{4} + 2 \, b c^{3} d^{4} x^{3} + 2 \, a b c^{2} d^{4} x + a^{2} c^{2} d^{4} + {\left (b^{2} c^{2} + 2 \, a c^{3}\right )} d^{4} x^{2}\right )} \sqrt {-b^{2} + 4 \, a c} \arctan \left (-\frac {\sqrt {-b^{2} + 4 \, a c} {\left (2 \, c x + b\right )}}{b^{2} - 4 \, a c}\right )}{2 \, {\left ({\left (b^{2} c^{2} - 4 \, a c^{3}\right )} x^{4} + a^{2} b^{2} - 4 \, a^{3} c + 2 \, {\left (b^{3} c - 4 \, a b c^{2}\right )} x^{3} + {\left (b^{4} - 2 \, a b^{2} c - 8 \, a^{2} c^{2}\right )} x^{2} + 2 \, {\left (a b^{3} - 4 \, a^{2} b c\right )} x\right )}}\right ] \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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giac [A] time = 0.17, size = 114, normalized size = 1.24 \begin {gather*} \frac {12 \, c^{2} d^{4} \arctan \left (\frac {2 \, c x + b}{\sqrt {-b^{2} + 4 \, a c}}\right )}{\sqrt {-b^{2} + 4 \, a c}} - \frac {20 \, c^{3} d^{4} x^{3} + 30 \, b c^{2} d^{4} x^{2} + 12 \, b^{2} c d^{4} x + 12 \, a c^{2} d^{4} x + b^{3} d^{4} + 6 \, a b c d^{4}}{2 \, {\left (c x^{2} + b x + a\right )}^{2}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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maple [A] time = 0.06, size = 173, normalized size = 1.88 \begin {gather*} -\frac {10 c^{3} d^{4} x^{3}}{\left (c \,x^{2}+b x +a \right )^{2}}-\frac {15 b \,c^{2} d^{4} x^{2}}{\left (c \,x^{2}+b x +a \right )^{2}}-\frac {6 a \,c^{2} d^{4} x}{\left (c \,x^{2}+b x +a \right )^{2}}-\frac {6 b^{2} c \,d^{4} x}{\left (c \,x^{2}+b x +a \right )^{2}}-\frac {3 a b c \,d^{4}}{\left (c \,x^{2}+b x +a \right )^{2}}-\frac {b^{3} d^{4}}{2 \left (c \,x^{2}+b x +a \right )^{2}}+\frac {12 c^{2} d^{4} \arctan \left (\frac {2 c x +b}{\sqrt {4 a c -b^{2}}}\right )}{\sqrt {4 a c -b^{2}}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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maxima [F(-2)] time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {Exception raised: ValueError} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 0.17, size = 166, normalized size = 1.80 \begin {gather*} \frac {12\,c^2\,d^4\,\mathrm {atan}\left (\frac {\frac {6\,b\,c^2\,d^4}{\sqrt {4\,a\,c-b^2}}+\frac {12\,c^3\,d^4\,x}{\sqrt {4\,a\,c-b^2}}}{6\,c^2\,d^4}\right )}{\sqrt {4\,a\,c-b^2}}-\frac {\frac {b^3\,d^4}{2}+10\,c^3\,d^4\,x^3+15\,b\,c^2\,d^4\,x^2+6\,c\,d^4\,x\,\left (b^2+a\,c\right )+3\,a\,b\,c\,d^4}{x^2\,\left (b^2+2\,a\,c\right )+a^2+c^2\,x^4+2\,a\,b\,x+2\,b\,c\,x^3} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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sympy [B] time = 2.06, size = 304, normalized size = 3.30 \begin {gather*} - 6 c^{2} d^{4} \sqrt {- \frac {1}{4 a c - b^{2}}} \log {\left (x + \frac {- 24 a c^{3} d^{4} \sqrt {- \frac {1}{4 a c - b^{2}}} + 6 b^{2} c^{2} d^{4} \sqrt {- \frac {1}{4 a c - b^{2}}} + 6 b c^{2} d^{4}}{12 c^{3} d^{4}} \right )} + 6 c^{2} d^{4} \sqrt {- \frac {1}{4 a c - b^{2}}} \log {\left (x + \frac {24 a c^{3} d^{4} \sqrt {- \frac {1}{4 a c - b^{2}}} - 6 b^{2} c^{2} d^{4} \sqrt {- \frac {1}{4 a c - b^{2}}} + 6 b c^{2} d^{4}}{12 c^{3} d^{4}} \right )} + \frac {- 6 a b c d^{4} - b^{3} d^{4} - 30 b c^{2} d^{4} x^{2} - 20 c^{3} d^{4} x^{3} + x \left (- 12 a c^{2} d^{4} - 12 b^{2} c d^{4}\right )}{2 a^{2} + 4 a b x + 4 b c x^{3} + 2 c^{2} x^{4} + x^{2} \left (4 a c + 2 b^{2}\right )} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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