Optimal. Leaf size=132 \[ \frac {x \left (x \left (2 a c e+b^2 (-e)+b c d\right )+a (2 c d-b e)\right )}{c \left (b^2-4 a c\right ) \left (a+b x+c x^2\right )}+\frac {\left (2 a c (2 c d-3 b e)+b^3 e\right ) \tanh ^{-1}\left (\frac {b+2 c x}{\sqrt {b^2-4 a c}}\right )}{c^2 \left (b^2-4 a c\right )^{3/2}}+\frac {e \log \left (a+b x+c x^2\right )}{2 c^2} \]
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Rubi [A] time = 0.11, antiderivative size = 132, normalized size of antiderivative = 1.00, number of steps used = 5, number of rules used = 5, integrand size = 21, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.238, Rules used = {818, 634, 618, 206, 628} \[ \frac {\left (2 a c (2 c d-3 b e)+b^3 e\right ) \tanh ^{-1}\left (\frac {b+2 c x}{\sqrt {b^2-4 a c}}\right )}{c^2 \left (b^2-4 a c\right )^{3/2}}+\frac {x \left (x \left (2 a c e+b^2 (-e)+b c d\right )+a (2 c d-b e)\right )}{c \left (b^2-4 a c\right ) \left (a+b x+c x^2\right )}+\frac {e \log \left (a+b x+c x^2\right )}{2 c^2} \]
Antiderivative was successfully verified.
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Rule 206
Rule 618
Rule 628
Rule 634
Rule 818
Rubi steps
\begin {align*} \int \frac {x^2 (d+e x)}{\left (a+b x+c x^2\right )^2} \, dx &=\frac {x \left (a (2 c d-b e)+\left (b c d-b^2 e+2 a c e\right ) x\right )}{c \left (b^2-4 a c\right ) \left (a+b x+c x^2\right )}+\frac {\int \frac {-a (2 c d-b e)+\left (b^2-4 a c\right ) e x}{a+b x+c x^2} \, dx}{c \left (b^2-4 a c\right )}\\ &=\frac {x \left (a (2 c d-b e)+\left (b c d-b^2 e+2 a c e\right ) x\right )}{c \left (b^2-4 a c\right ) \left (a+b x+c x^2\right )}+\frac {e \int \frac {b+2 c x}{a+b x+c x^2} \, dx}{2 c^2}-\frac {\left (b^3 e+2 a c (2 c d-3 b e)\right ) \int \frac {1}{a+b x+c x^2} \, dx}{2 c^2 \left (b^2-4 a c\right )}\\ &=\frac {x \left (a (2 c d-b e)+\left (b c d-b^2 e+2 a c e\right ) x\right )}{c \left (b^2-4 a c\right ) \left (a+b x+c x^2\right )}+\frac {e \log \left (a+b x+c x^2\right )}{2 c^2}+\frac {\left (b^3 e+2 a c (2 c d-3 b e)\right ) \operatorname {Subst}\left (\int \frac {1}{b^2-4 a c-x^2} \, dx,x,b+2 c x\right )}{c^2 \left (b^2-4 a c\right )}\\ &=\frac {x \left (a (2 c d-b e)+\left (b c d-b^2 e+2 a c e\right ) x\right )}{c \left (b^2-4 a c\right ) \left (a+b x+c x^2\right )}+\frac {\left (b^3 e+2 a c (2 c d-3 b e)\right ) \tanh ^{-1}\left (\frac {b+2 c x}{\sqrt {b^2-4 a c}}\right )}{c^2 \left (b^2-4 a c\right )^{3/2}}+\frac {e \log \left (a+b x+c x^2\right )}{2 c^2}\\ \end {align*}
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Mathematica [A] time = 0.19, size = 146, normalized size = 1.11 \[ \frac {-\frac {2 \left (2 a^2 c e+a \left (b^2 (-e)+b c (d+3 e x)-2 c^2 d x\right )+b^2 x (c d-b e)\right )}{\left (b^2-4 a c\right ) (a+x (b+c x))}+\frac {2 \left (2 a c (2 c d-3 b e)+b^3 e\right ) \tan ^{-1}\left (\frac {b+2 c x}{\sqrt {4 a c-b^2}}\right )}{\left (4 a c-b^2\right )^{3/2}}+e \log (a+x (b+c x))}{2 c^2} \]
Antiderivative was successfully verified.
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fricas [B] time = 0.98, size = 813, normalized size = 6.16 \[ \left [\frac {{\left (4 \, a^{2} c^{2} d + {\left (4 \, a c^{3} d + {\left (b^{3} c - 6 \, a b c^{2}\right )} e\right )} x^{2} + {\left (a b^{3} - 6 \, a^{2} b c\right )} e + {\left (4 \, a b c^{2} d + {\left (b^{4} - 6 \, a b^{2} c\right )} e\right )} x\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 (a b^{3} c - 4 \, a^{2} b c^{2}\right )} d + 2 \, {\left (a b^{4} - 6 \, a^{2} b^{2} c + 8 \, a^{3} c^{2}\right )} e - 2 \, {\left ({\left (b^{4} c - 6 \, a b^{2} c^{2} + 8 \, a^{2} c^{3}\right )} d - {\left (b^{5} - 7 \, a b^{3} c + 12 \, a^{2} b c^{2}\right )} e\right )} x + {\left ({\left (b^{4} c - 8 \, a b^{2} c^{2} + 16 \, a^{2} c^{3}\right )} e x^{2} + {\left (b^{5} - 8 \, a b^{3} c + 16 \, a^{2} b c^{2}\right )} e x + {\left (a b^{4} - 8 \, a^{2} b^{2} c + 16 \, a^{3} c^{2}\right )} e\right )} \log \left (c x^{2} + b x + a\right )}{2 \, {\left (a b^{4} c^{2} - 8 \, a^{2} b^{2} c^{3} + 16 \, a^{3} c^{4} + {\left (b^{4} c^{3} - 8 \, a b^{2} c^{4} + 16 \, a^{2} c^{5}\right )} x^{2} + {\left (b^{5} c^{2} - 8 \, a b^{3} c^{3} + 16 \, a^{2} b c^{4}\right )} x\right )}}, \frac {2 \, {\left (4 \, a^{2} c^{2} d + {\left (4 \, a c^{3} d + {\left (b^{3} c - 6 \, a b c^{2}\right )} e\right )} x^{2} + {\left (a b^{3} - 6 \, a^{2} b c\right )} e + {\left (4 \, a b c^{2} d + {\left (b^{4} - 6 \, a b^{2} c\right )} e\right )} x\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 (a b^{3} c - 4 \, a^{2} b c^{2}\right )} d + 2 \, {\left (a b^{4} - 6 \, a^{2} b^{2} c + 8 \, a^{3} c^{2}\right )} e - 2 \, {\left ({\left (b^{4} c - 6 \, a b^{2} c^{2} + 8 \, a^{2} c^{3}\right )} d - {\left (b^{5} - 7 \, a b^{3} c + 12 \, a^{2} b c^{2}\right )} e\right )} x + {\left ({\left (b^{4} c - 8 \, a b^{2} c^{2} + 16 \, a^{2} c^{3}\right )} e x^{2} + {\left (b^{5} - 8 \, a b^{3} c + 16 \, a^{2} b c^{2}\right )} e x + {\left (a b^{4} - 8 \, a^{2} b^{2} c + 16 \, a^{3} c^{2}\right )} e\right )} \log \left (c x^{2} + b x + a\right )}{2 \, {\left (a b^{4} c^{2} - 8 \, a^{2} b^{2} c^{3} + 16 \, a^{3} c^{4} + {\left (b^{4} c^{3} - 8 \, a b^{2} c^{4} + 16 \, a^{2} c^{5}\right )} x^{2} + {\left (b^{5} c^{2} - 8 \, a b^{3} c^{3} + 16 \, a^{2} b c^{4}\right )} x\right )}}\right ] \]
Verification of antiderivative is not currently implemented for this CAS.
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giac [A] time = 0.20, size = 169, normalized size = 1.28 \[ -\frac {{\left (4 \, a c^{2} d + b^{3} e - 6 \, a b c e\right )} \arctan \left (\frac {2 \, c x + b}{\sqrt {-b^{2} + 4 \, a c}}\right )}{{\left (b^{2} c^{2} - 4 \, a c^{3}\right )} \sqrt {-b^{2} + 4 \, a c}} + \frac {e \log \left (c x^{2} + b x + a\right )}{2 \, c^{2}} - \frac {a b c d - a b^{2} e + 2 \, a^{2} c e + {\left (b^{2} c d - 2 \, a c^{2} d - b^{3} e + 3 \, a b c e\right )} x}{{\left (c x^{2} + b x + a\right )} {\left (b^{2} - 4 \, a c\right )} c^{2}} \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [B] time = 0.07, size = 270, normalized size = 2.05 \[ -\frac {6 a b e \arctan \left (\frac {2 c x +b}{\sqrt {4 a c -b^{2}}}\right )}{\left (4 a c -b^{2}\right )^{\frac {3}{2}} c}+\frac {4 a d \arctan \left (\frac {2 c x +b}{\sqrt {4 a c -b^{2}}}\right )}{\left (4 a c -b^{2}\right )^{\frac {3}{2}}}+\frac {b^{3} e \arctan \left (\frac {2 c x +b}{\sqrt {4 a c -b^{2}}}\right )}{\left (4 a c -b^{2}\right )^{\frac {3}{2}} c^{2}}+\frac {2 a e \ln \left (c \,x^{2}+b x +a \right )}{\left (4 a c -b^{2}\right ) c}-\frac {b^{2} e \ln \left (c \,x^{2}+b x +a \right )}{2 \left (4 a c -b^{2}\right ) c^{2}}+\frac {\frac {\left (2 a c e -e \,b^{2}+b c d \right ) a}{\left (4 a c -b^{2}\right ) c^{2}}+\frac {\left (3 a b c e -2 a \,c^{2} d -b^{3} e +b^{2} c d \right ) x}{\left (4 a c -b^{2}\right ) c^{2}}}{c \,x^{2}+b x +a} \]
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 \[ \text {Exception raised: ValueError} \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 1.54, size = 895, normalized size = 6.78 \[ \frac {2\,a^2\,c\,e}{4\,a^2\,c^3-a\,b^2\,c^2+4\,a\,b\,c^3\,x+4\,a\,c^4\,x^2-b^3\,c^2\,x-b^2\,c^3\,x^2}-\frac {a\,b^2\,e}{4\,a^2\,c^3-a\,b^2\,c^2+4\,a\,b\,c^3\,x+4\,a\,c^4\,x^2-b^3\,c^2\,x-b^2\,c^3\,x^2}-\frac {b^3\,e\,x}{4\,a^2\,c^3-a\,b^2\,c^2+4\,a\,b\,c^3\,x+4\,a\,c^4\,x^2-b^3\,c^2\,x-b^2\,c^3\,x^2}+\frac {4\,a\,d\,\mathrm {atan}\left (\frac {2\,c\,x}{\sqrt {4\,a\,c-b^2}}-\frac {b^3}{{\left (4\,a\,c-b^2\right )}^{3/2}}+\frac {4\,a\,b\,c}{{\left (4\,a\,c-b^2\right )}^{3/2}}\right )}{{\left (4\,a\,c-b^2\right )}^{3/2}}-\frac {b^6\,e\,\ln \left (c\,x^2+b\,x+a\right )}{2\,\left (64\,a^3\,c^5-48\,a^2\,b^2\,c^4+12\,a\,b^4\,c^3-b^6\,c^2\right )}-\frac {2\,a\,c^2\,d\,x}{4\,a^2\,c^3-a\,b^2\,c^2+4\,a\,b\,c^3\,x+4\,a\,c^4\,x^2-b^3\,c^2\,x-b^2\,c^3\,x^2}+\frac {b^2\,c\,d\,x}{4\,a^2\,c^3-a\,b^2\,c^2+4\,a\,b\,c^3\,x+4\,a\,c^4\,x^2-b^3\,c^2\,x-b^2\,c^3\,x^2}+\frac {a\,b\,c\,d}{4\,a^2\,c^3-a\,b^2\,c^2+4\,a\,b\,c^3\,x+4\,a\,c^4\,x^2-b^3\,c^2\,x-b^2\,c^3\,x^2}+\frac {32\,a^3\,c^3\,e\,\ln \left (c\,x^2+b\,x+a\right )}{64\,a^3\,c^5-48\,a^2\,b^2\,c^4+12\,a\,b^4\,c^3-b^6\,c^2}+\frac {b^3\,e\,\mathrm {atan}\left (\frac {2\,c\,x}{\sqrt {4\,a\,c-b^2}}-\frac {b^3}{{\left (4\,a\,c-b^2\right )}^{3/2}}+\frac {4\,a\,b\,c}{{\left (4\,a\,c-b^2\right )}^{3/2}}\right )}{c^2\,{\left (4\,a\,c-b^2\right )}^{3/2}}+\frac {3\,a\,b\,c\,e\,x}{4\,a^2\,c^3-a\,b^2\,c^2+4\,a\,b\,c^3\,x+4\,a\,c^4\,x^2-b^3\,c^2\,x-b^2\,c^3\,x^2}-\frac {24\,a^2\,b^2\,c^2\,e\,\ln \left (c\,x^2+b\,x+a\right )}{64\,a^3\,c^5-48\,a^2\,b^2\,c^4+12\,a\,b^4\,c^3-b^6\,c^2}+\frac {6\,a\,b^4\,c\,e\,\ln \left (c\,x^2+b\,x+a\right )}{64\,a^3\,c^5-48\,a^2\,b^2\,c^4+12\,a\,b^4\,c^3-b^6\,c^2}-\frac {6\,a\,b\,e\,\mathrm {atan}\left (\frac {2\,c\,x}{\sqrt {4\,a\,c-b^2}}-\frac {b^3}{{\left (4\,a\,c-b^2\right )}^{3/2}}+\frac {4\,a\,b\,c}{{\left (4\,a\,c-b^2\right )}^{3/2}}\right )}{c\,{\left (4\,a\,c-b^2\right )}^{3/2}} \]
Verification of antiderivative is not currently implemented for this CAS.
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sympy [B] time = 2.84, size = 901, normalized size = 6.83 \[ \left (\frac {e}{2 c^{2}} - \frac {\sqrt {- \left (4 a c - b^{2}\right )^{3}} \left (6 a b c e - 4 a c^{2} d - b^{3} e\right )}{2 c^{2} \left (64 a^{3} c^{3} - 48 a^{2} b^{2} c^{2} + 12 a b^{4} c - b^{6}\right )}\right ) \log {\left (x + \frac {- 16 a^{2} c^{3} \left (\frac {e}{2 c^{2}} - \frac {\sqrt {- \left (4 a c - b^{2}\right )^{3}} \left (6 a b c e - 4 a c^{2} d - b^{3} e\right )}{2 c^{2} \left (64 a^{3} c^{3} - 48 a^{2} b^{2} c^{2} + 12 a b^{4} c - b^{6}\right )}\right ) + 8 a^{2} c e + 8 a b^{2} c^{2} \left (\frac {e}{2 c^{2}} - \frac {\sqrt {- \left (4 a c - b^{2}\right )^{3}} \left (6 a b c e - 4 a c^{2} d - b^{3} e\right )}{2 c^{2} \left (64 a^{3} c^{3} - 48 a^{2} b^{2} c^{2} + 12 a b^{4} c - b^{6}\right )}\right ) - a b^{2} e - 2 a b c d - b^{4} c \left (\frac {e}{2 c^{2}} - \frac {\sqrt {- \left (4 a c - b^{2}\right )^{3}} \left (6 a b c e - 4 a c^{2} d - b^{3} e\right )}{2 c^{2} \left (64 a^{3} c^{3} - 48 a^{2} b^{2} c^{2} + 12 a b^{4} c - b^{6}\right )}\right )}{6 a b c e - 4 a c^{2} d - b^{3} e} \right )} + \left (\frac {e}{2 c^{2}} + \frac {\sqrt {- \left (4 a c - b^{2}\right )^{3}} \left (6 a b c e - 4 a c^{2} d - b^{3} e\right )}{2 c^{2} \left (64 a^{3} c^{3} - 48 a^{2} b^{2} c^{2} + 12 a b^{4} c - b^{6}\right )}\right ) \log {\left (x + \frac {- 16 a^{2} c^{3} \left (\frac {e}{2 c^{2}} + \frac {\sqrt {- \left (4 a c - b^{2}\right )^{3}} \left (6 a b c e - 4 a c^{2} d - b^{3} e\right )}{2 c^{2} \left (64 a^{3} c^{3} - 48 a^{2} b^{2} c^{2} + 12 a b^{4} c - b^{6}\right )}\right ) + 8 a^{2} c e + 8 a b^{2} c^{2} \left (\frac {e}{2 c^{2}} + \frac {\sqrt {- \left (4 a c - b^{2}\right )^{3}} \left (6 a b c e - 4 a c^{2} d - b^{3} e\right )}{2 c^{2} \left (64 a^{3} c^{3} - 48 a^{2} b^{2} c^{2} + 12 a b^{4} c - b^{6}\right )}\right ) - a b^{2} e - 2 a b c d - b^{4} c \left (\frac {e}{2 c^{2}} + \frac {\sqrt {- \left (4 a c - b^{2}\right )^{3}} \left (6 a b c e - 4 a c^{2} d - b^{3} e\right )}{2 c^{2} \left (64 a^{3} c^{3} - 48 a^{2} b^{2} c^{2} + 12 a b^{4} c - b^{6}\right )}\right )}{6 a b c e - 4 a c^{2} d - b^{3} e} \right )} + \frac {2 a^{2} c e - a b^{2} e + a b c d + x \left (3 a b c e - 2 a c^{2} d - b^{3} e + b^{2} c d\right )}{4 a^{2} c^{3} - a b^{2} c^{2} + x^{2} \left (4 a c^{4} - b^{2} c^{3}\right ) + x \left (4 a b c^{3} - b^{3} c^{2}\right )} \]
Verification of antiderivative is not currently implemented for this CAS.
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