Optimal. Leaf size=99 \[ \frac {a (2 c d-b e)+\left (b c d-b^2 e+2 a c e\right ) x}{c \left (b^2-4 a c\right ) \left (a+b x+c x^2\right )}-\frac {2 (b d-2 a e) \tanh ^{-1}\left (\frac {b+2 c x}{\sqrt {b^2-4 a c}}\right )}{\left (b^2-4 a c\right )^{3/2}} \]
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Rubi [A]
time = 0.03, antiderivative size = 99, normalized size of antiderivative = 1.00, number of steps
used = 3, number of rules used = 3, integrand size = 19, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.158, Rules used = {791, 632, 212}
\begin {gather*} \frac {x \left (2 a c e+b^2 (-e)+b c d\right )+a (2 c d-b e)}{c \left (b^2-4 a c\right ) \left (a+b x+c x^2\right )}-\frac {2 (b d-2 a e) \tanh ^{-1}\left (\frac {b+2 c x}{\sqrt {b^2-4 a c}}\right )}{\left (b^2-4 a c\right )^{3/2}} \end {gather*}
Antiderivative was successfully verified.
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Rule 212
Rule 632
Rule 791
Rubi steps
\begin {align*} \int \frac {x (d+e x)}{\left (a+b x+c x^2\right )^2} \, dx &=\frac {a (2 c d-b e)+\left (b c d-b^2 e+2 a c e\right ) x}{c \left (b^2-4 a c\right ) \left (a+b x+c x^2\right )}+\frac {(b d-2 a e) \int \frac {1}{a+b x+c x^2} \, dx}{b^2-4 a c}\\ &=\frac {a (2 c d-b e)+\left (b c d-b^2 e+2 a c e\right ) x}{c \left (b^2-4 a c\right ) \left (a+b x+c x^2\right )}-\frac {(2 (b d-2 a e)) \text {Subst}\left (\int \frac {1}{b^2-4 a c-x^2} \, dx,x,b+2 c x\right )}{b^2-4 a c}\\ &=\frac {a (2 c d-b e)+\left (b c d-b^2 e+2 a c e\right ) x}{c \left (b^2-4 a c\right ) \left (a+b x+c x^2\right )}-\frac {2 (b d-2 a e) \tanh ^{-1}\left (\frac {b+2 c x}{\sqrt {b^2-4 a c}}\right )}{\left (b^2-4 a c\right )^{3/2}}\\ \end {align*}
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Mathematica [A]
time = 0.05, size = 99, normalized size = 1.00 \begin {gather*} \frac {a b e+b (-c d+b e) x-2 a c (d+e x)}{c \left (-b^2+4 a c\right ) (a+x (b+c x))}-\frac {2 (b d-2 a e) \tan ^{-1}\left (\frac {b+2 c x}{\sqrt {-b^2+4 a c}}\right )}{\left (-b^2+4 a c\right )^{3/2}} \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 0.77, size = 118, normalized size = 1.19
method | result | size |
default | \(\frac {-\frac {\left (2 a c e -b^{2} e +b c d \right ) x}{c \left (4 a c -b^{2}\right )}+\frac {a \left (b e -2 c d \right )}{c \left (4 a c -b^{2}\right )}}{c \,x^{2}+b x +a}+\frac {2 \left (2 a e -b d \right ) \arctan \left (\frac {2 c x +b}{\sqrt {4 a c -b^{2}}}\right )}{\left (4 a c -b^{2}\right )^{\frac {3}{2}}}\) | \(118\) |
risch | \(\frac {-\frac {\left (2 a c e -b^{2} e +b c d \right ) x}{c \left (4 a c -b^{2}\right )}+\frac {a \left (b e -2 c d \right )}{c \left (4 a c -b^{2}\right )}}{c \,x^{2}+b x +a}+\frac {2 \ln \left (\left (-8 c^{2} a +2 b^{2} c \right ) x +\left (-4 a c +b^{2}\right )^{\frac {3}{2}}-4 a b c +b^{3}\right ) a e}{\left (-4 a c +b^{2}\right )^{\frac {3}{2}}}-\frac {\ln \left (\left (-8 c^{2} a +2 b^{2} c \right ) x +\left (-4 a c +b^{2}\right )^{\frac {3}{2}}-4 a b c +b^{3}\right ) b d}{\left (-4 a c +b^{2}\right )^{\frac {3}{2}}}-\frac {2 \ln \left (\left (8 c^{2} a -2 b^{2} c \right ) x +\left (-4 a c +b^{2}\right )^{\frac {3}{2}}+4 a b c -b^{3}\right ) a e}{\left (-4 a c +b^{2}\right )^{\frac {3}{2}}}+\frac {\ln \left (\left (8 c^{2} a -2 b^{2} c \right ) x +\left (-4 a c +b^{2}\right )^{\frac {3}{2}}+4 a b c -b^{3}\right ) b d}{\left (-4 a c +b^{2}\right )^{\frac {3}{2}}}\) | \(274\) |
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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Fricas [B] Leaf count of result is larger than twice the leaf count of optimal. 247 vs.
\(2 (99) = 198\).
time = 1.09, size = 514, normalized size = 5.19 \begin {gather*} \left [\frac {{\left (b^{3} c - 4 \, a b c^{2}\right )} d x + {\left (b c^{2} d x^{2} + b^{2} c d x + a b c d - 2 \, {\left (a c^{2} x^{2} + a b c x + a^{2} c\right )} e\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^{2} c - 4 \, a^{2} c^{2}\right )} d - {\left (a b^{3} - 4 \, a^{2} b c + {\left (b^{4} - 6 \, a b^{2} c + 8 \, a^{2} c^{2}\right )} x\right )} e}{a b^{4} c - 8 \, a^{2} b^{2} c^{2} + 16 \, a^{3} c^{3} + {\left (b^{4} c^{2} - 8 \, a b^{2} c^{3} + 16 \, a^{2} c^{4}\right )} x^{2} + {\left (b^{5} c - 8 \, a b^{3} c^{2} + 16 \, a^{2} b c^{3}\right )} x}, \frac {{\left (b^{3} c - 4 \, a b c^{2}\right )} d x - 2 \, {\left (b c^{2} d x^{2} + b^{2} c d x + a b c d - 2 \, {\left (a c^{2} x^{2} + a b c x + a^{2} c\right )} e\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^{2} c - 4 \, a^{2} c^{2}\right )} d - {\left (a b^{3} - 4 \, a^{2} b c + {\left (b^{4} - 6 \, a b^{2} c + 8 \, a^{2} c^{2}\right )} x\right )} e}{a b^{4} c - 8 \, a^{2} b^{2} c^{2} + 16 \, a^{3} c^{3} + {\left (b^{4} c^{2} - 8 \, a b^{2} c^{3} + 16 \, a^{2} c^{4}\right )} x^{2} + {\left (b^{5} c - 8 \, a b^{3} c^{2} + 16 \, a^{2} b c^{3}\right )} x}\right ] \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [B] Leaf count of result is larger than twice the leaf count of optimal. 379 vs.
\(2 (90) = 180\).
time = 0.58, size = 379, normalized size = 3.83 \begin {gather*} - \sqrt {- \frac {1}{\left (4 a c - b^{2}\right )^{3}}} \cdot \left (2 a e - b d\right ) \log {\left (x + \frac {- 16 a^{2} c^{2} \sqrt {- \frac {1}{\left (4 a c - b^{2}\right )^{3}}} \cdot \left (2 a e - b d\right ) + 8 a b^{2} c \sqrt {- \frac {1}{\left (4 a c - b^{2}\right )^{3}}} \cdot \left (2 a e - b d\right ) + 2 a b e - b^{4} \sqrt {- \frac {1}{\left (4 a c - b^{2}\right )^{3}}} \cdot \left (2 a e - b d\right ) - b^{2} d}{4 a c e - 2 b c d} \right )} + \sqrt {- \frac {1}{\left (4 a c - b^{2}\right )^{3}}} \cdot \left (2 a e - b d\right ) \log {\left (x + \frac {16 a^{2} c^{2} \sqrt {- \frac {1}{\left (4 a c - b^{2}\right )^{3}}} \cdot \left (2 a e - b d\right ) - 8 a b^{2} c \sqrt {- \frac {1}{\left (4 a c - b^{2}\right )^{3}}} \cdot \left (2 a e - b d\right ) + 2 a b e + b^{4} \sqrt {- \frac {1}{\left (4 a c - b^{2}\right )^{3}}} \cdot \left (2 a e - b d\right ) - b^{2} d}{4 a c e - 2 b c d} \right )} + \frac {a b e - 2 a c d + x \left (- 2 a c e + b^{2} e - b c d\right )}{4 a^{2} c^{2} - a b^{2} c + x^{2} \cdot \left (4 a c^{3} - b^{2} c^{2}\right ) + x \left (4 a b c^{2} - b^{3} c\right )} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A]
time = 0.81, size = 113, normalized size = 1.14 \begin {gather*} \frac {2 \, {\left (b d - 2 \, a e\right )} \arctan \left (\frac {2 \, c x + b}{\sqrt {-b^{2} + 4 \, a c}}\right )}{{\left (b^{2} - 4 \, a c\right )} \sqrt {-b^{2} + 4 \, a c}} + \frac {b c d x - b^{2} x e + 2 \, a c x e + 2 \, a c d - a b e}{{\left (b^{2} c - 4 \, a c^{2}\right )} {\left (c x^{2} + b x + a\right )}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 1.28, size = 177, normalized size = 1.79 \begin {gather*} \frac {\frac {a\,\left (b\,e-2\,c\,d\right )}{c\,\left (4\,a\,c-b^2\right )}-\frac {x\,\left (-e\,b^2+c\,d\,b+2\,a\,c\,e\right )}{c\,\left (4\,a\,c-b^2\right )}}{c\,x^2+b\,x+a}-\frac {2\,\mathrm {atan}\left (\frac {\left (4\,a\,c-b^2\right )\,\left (\frac {\left (b^3-4\,a\,b\,c\right )\,\left (2\,a\,e-b\,d\right )}{{\left (4\,a\,c-b^2\right )}^{5/2}}-\frac {2\,c\,x\,\left (2\,a\,e-b\,d\right )}{{\left (4\,a\,c-b^2\right )}^{3/2}}\right )}{2\,a\,e-b\,d}\right )\,\left (2\,a\,e-b\,d\right )}{{\left (4\,a\,c-b^2\right )}^{3/2}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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