Optimal. Leaf size=195 \[ \frac {\left (b^2-4 a c\right ) e (2 c d-b e) (b+2 c x) \sqrt {a+b x+c x^2}}{32 c^3}+\frac {2}{5} (d+e x)^2 \left (a+b x+c x^2\right )^{3/2}+\frac {\left (16 c^2 d^2+5 b^2 e^2-2 c e (5 b d+8 a e)+6 c e (2 c d-b e) x\right ) \left (a+b x+c x^2\right )^{3/2}}{60 c^2}-\frac {\left (b^2-4 a c\right )^2 e (2 c d-b e) \tanh ^{-1}\left (\frac {b+2 c x}{2 \sqrt {c} \sqrt {a+b x+c x^2}}\right )}{64 c^{7/2}} \]
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Rubi [A]
time = 0.21, antiderivative size = 195, normalized size of antiderivative = 1.00, number of steps
used = 5, number of rules used = 5, integrand size = 28, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.179, Rules used = {846, 793, 626,
635, 212} \begin {gather*} -\frac {e \left (b^2-4 a c\right )^2 (2 c d-b e) \tanh ^{-1}\left (\frac {b+2 c x}{2 \sqrt {c} \sqrt {a+b x+c x^2}}\right )}{64 c^{7/2}}+\frac {e \left (b^2-4 a c\right ) (b+2 c x) \sqrt {a+b x+c x^2} (2 c d-b e)}{32 c^3}+\frac {\left (a+b x+c x^2\right )^{3/2} \left (-2 c e (8 a e+5 b d)+5 b^2 e^2+6 c e x (2 c d-b e)+16 c^2 d^2\right )}{60 c^2}+\frac {2}{5} (d+e x)^2 \left (a+b x+c x^2\right )^{3/2} \end {gather*}
Antiderivative was successfully verified.
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Rule 212
Rule 626
Rule 635
Rule 793
Rule 846
Rubi steps
\begin {align*} \int (b+2 c x) (d+e x)^2 \sqrt {a+b x+c x^2} \, dx &=\frac {2}{5} (d+e x)^2 \left (a+b x+c x^2\right )^{3/2}+\frac {\int (d+e x) (2 c (b d-2 a e)+2 c (2 c d-b e) x) \sqrt {a+b x+c x^2} \, dx}{5 c}\\ &=\frac {2}{5} (d+e x)^2 \left (a+b x+c x^2\right )^{3/2}+\frac {\left (16 c^2 d^2+5 b^2 e^2-2 c e (5 b d+8 a e)+6 c e (2 c d-b e) x\right ) \left (a+b x+c x^2\right )^{3/2}}{60 c^2}+\frac {\left (\left (b^2-4 a c\right ) e (2 c d-b e)\right ) \int \sqrt {a+b x+c x^2} \, dx}{8 c^2}\\ &=\frac {\left (b^2-4 a c\right ) e (2 c d-b e) (b+2 c x) \sqrt {a+b x+c x^2}}{32 c^3}+\frac {2}{5} (d+e x)^2 \left (a+b x+c x^2\right )^{3/2}+\frac {\left (16 c^2 d^2+5 b^2 e^2-2 c e (5 b d+8 a e)+6 c e (2 c d-b e) x\right ) \left (a+b x+c x^2\right )^{3/2}}{60 c^2}-\frac {\left (\left (b^2-4 a c\right )^2 e (2 c d-b e)\right ) \int \frac {1}{\sqrt {a+b x+c x^2}} \, dx}{64 c^3}\\ &=\frac {\left (b^2-4 a c\right ) e (2 c d-b e) (b+2 c x) \sqrt {a+b x+c x^2}}{32 c^3}+\frac {2}{5} (d+e x)^2 \left (a+b x+c x^2\right )^{3/2}+\frac {\left (16 c^2 d^2+5 b^2 e^2-2 c e (5 b d+8 a e)+6 c e (2 c d-b e) x\right ) \left (a+b x+c x^2\right )^{3/2}}{60 c^2}-\frac {\left (\left (b^2-4 a c\right )^2 e (2 c d-b e)\right ) \text {Subst}\left (\int \frac {1}{4 c-x^2} \, dx,x,\frac {b+2 c x}{\sqrt {a+b x+c x^2}}\right )}{32 c^3}\\ &=\frac {\left (b^2-4 a c\right ) e (2 c d-b e) (b+2 c x) \sqrt {a+b x+c x^2}}{32 c^3}+\frac {2}{5} (d+e x)^2 \left (a+b x+c x^2\right )^{3/2}+\frac {\left (16 c^2 d^2+5 b^2 e^2-2 c e (5 b d+8 a e)+6 c e (2 c d-b e) x\right ) \left (a+b x+c x^2\right )^{3/2}}{60 c^2}-\frac {\left (b^2-4 a c\right )^2 e (2 c d-b e) \tanh ^{-1}\left (\frac {b+2 c x}{2 \sqrt {c} \sqrt {a+b x+c x^2}}\right )}{64 c^{7/2}}\\ \end {align*}
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Mathematica [A]
time = 0.87, size = 231, normalized size = 1.18 \begin {gather*} \frac {\sqrt {a+x (b+c x)} \left (-15 b^4 e^2-128 a^2 c^2 e^2+10 b^3 c e (3 d+e x)-4 b^2 c^2 e x (5 d+2 e x)+32 c^4 x^2 \left (10 d^2+15 d e x+6 e^2 x^2\right )+16 b c^3 x \left (20 d^2+25 d e x+9 e^2 x^2\right )+4 a c \left (25 b^2 e^2-2 b c e (25 d+7 e x)+4 c^2 \left (20 d^2+15 d e x+4 e^2 x^2\right )\right )\right )}{480 c^3}-\frac {\left (b^2-4 a c\right )^2 e (-2 c d+b e) \log \left (b+2 c x-2 \sqrt {c} \sqrt {a+x (b+c x)}\right )}{64 c^{7/2}} \end {gather*}
Antiderivative was successfully verified.
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Maple [B] Leaf count of result is larger than twice the leaf count of optimal. \(676\) vs.
\(2(173)=346\).
time = 1.11, size = 677, normalized size = 3.47
method | result | size |
risch | \(-\frac {\left (-192 e^{2} c^{4} x^{4}-144 e^{2} c^{3} b \,x^{3}-480 c^{4} d e \,x^{3}-64 a \,c^{3} e^{2} x^{2}+8 b^{2} c^{2} e^{2} x^{2}-400 b \,c^{3} d e \,x^{2}-320 c^{4} d^{2} x^{2}+56 a b \,c^{2} e^{2} x -240 a \,c^{3} d e x -10 b^{3} c \,e^{2} x +20 b^{2} c^{2} d e x -320 d^{2} b \,c^{3} x +128 a^{2} c^{2} e^{2}-100 a \,b^{2} c \,e^{2}+200 a b \,c^{2} d e -320 a \,c^{3} d^{2}+15 b^{4} e^{2}-30 b^{3} c d e \right ) \sqrt {c \,x^{2}+b x +a}}{480 c^{3}}+\frac {e^{2} \ln \left (\frac {\frac {b}{2}+c x}{\sqrt {c}}+\sqrt {c \,x^{2}+b x +a}\right ) a^{2} b}{4 c^{\frac {3}{2}}}-\frac {e \ln \left (\frac {\frac {b}{2}+c x}{\sqrt {c}}+\sqrt {c \,x^{2}+b x +a}\right ) a^{2} d}{2 \sqrt {c}}-\frac {e^{2} \ln \left (\frac {\frac {b}{2}+c x}{\sqrt {c}}+\sqrt {c \,x^{2}+b x +a}\right ) a \,b^{3}}{8 c^{\frac {5}{2}}}+\frac {e \ln \left (\frac {\frac {b}{2}+c x}{\sqrt {c}}+\sqrt {c \,x^{2}+b x +a}\right ) a \,b^{2} d}{4 c^{\frac {3}{2}}}+\frac {e^{2} \ln \left (\frac {\frac {b}{2}+c x}{\sqrt {c}}+\sqrt {c \,x^{2}+b x +a}\right ) b^{5}}{64 c^{\frac {7}{2}}}-\frac {e \ln \left (\frac {\frac {b}{2}+c x}{\sqrt {c}}+\sqrt {c \,x^{2}+b x +a}\right ) b^{4} d}{32 c^{\frac {5}{2}}}\) | \(423\) |
default | \(2 e^{2} c \left (\frac {x^{2} \left (c \,x^{2}+b x +a \right )^{\frac {3}{2}}}{5 c}-\frac {7 b \left (\frac {x \left (c \,x^{2}+b x +a \right )^{\frac {3}{2}}}{4 c}-\frac {5 b \left (\frac {\left (c \,x^{2}+b x +a \right )^{\frac {3}{2}}}{3 c}-\frac {b \left (\frac {\left (2 c x +b \right ) \sqrt {c \,x^{2}+b x +a}}{4 c}+\frac {\left (4 a c -b^{2}\right ) \ln \left (\frac {\frac {b}{2}+c x}{\sqrt {c}}+\sqrt {c \,x^{2}+b x +a}\right )}{8 c^{\frac {3}{2}}}\right )}{2 c}\right )}{8 c}-\frac {a \left (\frac {\left (2 c x +b \right ) \sqrt {c \,x^{2}+b x +a}}{4 c}+\frac {\left (4 a c -b^{2}\right ) \ln \left (\frac {\frac {b}{2}+c x}{\sqrt {c}}+\sqrt {c \,x^{2}+b x +a}\right )}{8 c^{\frac {3}{2}}}\right )}{4 c}\right )}{10 c}-\frac {2 a \left (\frac {\left (c \,x^{2}+b x +a \right )^{\frac {3}{2}}}{3 c}-\frac {b \left (\frac {\left (2 c x +b \right ) \sqrt {c \,x^{2}+b x +a}}{4 c}+\frac {\left (4 a c -b^{2}\right ) \ln \left (\frac {\frac {b}{2}+c x}{\sqrt {c}}+\sqrt {c \,x^{2}+b x +a}\right )}{8 c^{\frac {3}{2}}}\right )}{2 c}\right )}{5 c}\right )+\left (b \,e^{2}+4 c d e \right ) \left (\frac {x \left (c \,x^{2}+b x +a \right )^{\frac {3}{2}}}{4 c}-\frac {5 b \left (\frac {\left (c \,x^{2}+b x +a \right )^{\frac {3}{2}}}{3 c}-\frac {b \left (\frac {\left (2 c x +b \right ) \sqrt {c \,x^{2}+b x +a}}{4 c}+\frac {\left (4 a c -b^{2}\right ) \ln \left (\frac {\frac {b}{2}+c x}{\sqrt {c}}+\sqrt {c \,x^{2}+b x +a}\right )}{8 c^{\frac {3}{2}}}\right )}{2 c}\right )}{8 c}-\frac {a \left (\frac {\left (2 c x +b \right ) \sqrt {c \,x^{2}+b x +a}}{4 c}+\frac {\left (4 a c -b^{2}\right ) \ln \left (\frac {\frac {b}{2}+c x}{\sqrt {c}}+\sqrt {c \,x^{2}+b x +a}\right )}{8 c^{\frac {3}{2}}}\right )}{4 c}\right )+\left (2 b d e +2 c \,d^{2}\right ) \left (\frac {\left (c \,x^{2}+b x +a \right )^{\frac {3}{2}}}{3 c}-\frac {b \left (\frac {\left (2 c x +b \right ) \sqrt {c \,x^{2}+b x +a}}{4 c}+\frac {\left (4 a c -b^{2}\right ) \ln \left (\frac {\frac {b}{2}+c x}{\sqrt {c}}+\sqrt {c \,x^{2}+b x +a}\right )}{8 c^{\frac {3}{2}}}\right )}{2 c}\right )+b \,d^{2} \left (\frac {\left (2 c x +b \right ) \sqrt {c \,x^{2}+b x +a}}{4 c}+\frac {\left (4 a c -b^{2}\right ) \ln \left (\frac {\frac {b}{2}+c x}{\sqrt {c}}+\sqrt {c \,x^{2}+b x +a}\right )}{8 c^{\frac {3}{2}}}\right )\) | \(677\) |
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 [A]
time = 4.76, size = 595, normalized size = 3.05 \begin {gather*} \left [-\frac {15 \, {\left (2 \, {\left (b^{4} c - 8 \, a b^{2} c^{2} + 16 \, a^{2} c^{3}\right )} d e - {\left (b^{5} - 8 \, a b^{3} c + 16 \, a^{2} b c^{2}\right )} e^{2}\right )} \sqrt {c} \log \left (-8 \, c^{2} x^{2} - 8 \, b c x - b^{2} - 4 \, \sqrt {c x^{2} + b x + a} {\left (2 \, c x + b\right )} \sqrt {c} - 4 \, a c\right ) - 4 \, {\left (320 \, c^{5} d^{2} x^{2} + 320 \, b c^{4} d^{2} x + 320 \, a c^{4} d^{2} + {\left (192 \, c^{5} x^{4} + 144 \, b c^{4} x^{3} - 15 \, b^{4} c + 100 \, a b^{2} c^{2} - 128 \, a^{2} c^{3} - 8 \, {\left (b^{2} c^{3} - 8 \, a c^{4}\right )} x^{2} + 2 \, {\left (5 \, b^{3} c^{2} - 28 \, a b c^{3}\right )} x\right )} e^{2} + 10 \, {\left (48 \, c^{5} d x^{3} + 40 \, b c^{4} d x^{2} - 2 \, {\left (b^{2} c^{3} - 12 \, a c^{4}\right )} d x + {\left (3 \, b^{3} c^{2} - 20 \, a b c^{3}\right )} d\right )} e\right )} \sqrt {c x^{2} + b x + a}}{1920 \, c^{4}}, \frac {15 \, {\left (2 \, {\left (b^{4} c - 8 \, a b^{2} c^{2} + 16 \, a^{2} c^{3}\right )} d e - {\left (b^{5} - 8 \, a b^{3} c + 16 \, a^{2} b c^{2}\right )} e^{2}\right )} \sqrt {-c} \arctan \left (\frac {\sqrt {c x^{2} + b x + a} {\left (2 \, c x + b\right )} \sqrt {-c}}{2 \, {\left (c^{2} x^{2} + b c x + a c\right )}}\right ) + 2 \, {\left (320 \, c^{5} d^{2} x^{2} + 320 \, b c^{4} d^{2} x + 320 \, a c^{4} d^{2} + {\left (192 \, c^{5} x^{4} + 144 \, b c^{4} x^{3} - 15 \, b^{4} c + 100 \, a b^{2} c^{2} - 128 \, a^{2} c^{3} - 8 \, {\left (b^{2} c^{3} - 8 \, a c^{4}\right )} x^{2} + 2 \, {\left (5 \, b^{3} c^{2} - 28 \, a b c^{3}\right )} x\right )} e^{2} + 10 \, {\left (48 \, c^{5} d x^{3} + 40 \, b c^{4} d x^{2} - 2 \, {\left (b^{2} c^{3} - 12 \, a c^{4}\right )} d x + {\left (3 \, b^{3} c^{2} - 20 \, a b c^{3}\right )} d\right )} e\right )} \sqrt {c x^{2} + b x + a}}{960 \, c^{4}}\right ] \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [F]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \int \left (b + 2 c x\right ) \left (d + e x\right )^{2} \sqrt {a + b x + c x^{2}}\, dx \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A]
time = 1.07, size = 308, normalized size = 1.58 \begin {gather*} \frac {1}{480} \, \sqrt {c x^{2} + b x + a} {\left (2 \, {\left (4 \, {\left (6 \, {\left (4 \, c x e^{2} + \frac {10 \, c^{5} d e + 3 \, b c^{4} e^{2}}{c^{4}}\right )} x + \frac {40 \, c^{5} d^{2} + 50 \, b c^{4} d e - b^{2} c^{3} e^{2} + 8 \, a c^{4} e^{2}}{c^{4}}\right )} x + \frac {160 \, b c^{4} d^{2} - 10 \, b^{2} c^{3} d e + 120 \, a c^{4} d e + 5 \, b^{3} c^{2} e^{2} - 28 \, a b c^{3} e^{2}}{c^{4}}\right )} x + \frac {320 \, a c^{4} d^{2} + 30 \, b^{3} c^{2} d e - 200 \, a b c^{3} d e - 15 \, b^{4} c e^{2} + 100 \, a b^{2} c^{2} e^{2} - 128 \, a^{2} c^{3} e^{2}}{c^{4}}\right )} + \frac {{\left (2 \, b^{4} c d e - 16 \, a b^{2} c^{2} d e + 32 \, a^{2} c^{3} d e - b^{5} e^{2} + 8 \, a b^{3} c e^{2} - 16 \, a^{2} b c^{2} e^{2}\right )} \log \left ({\left | -2 \, {\left (\sqrt {c} x - \sqrt {c x^{2} + b x + a}\right )} \sqrt {c} - b \right |}\right )}{64 \, c^{\frac {7}{2}}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 3.63, size = 876, normalized size = 4.49 \begin {gather*} \frac {7\,b\,e^2\,\left (\frac {5\,b\,\left (\frac {\ln \left (\frac {b+2\,c\,x}{\sqrt {c}}+2\,\sqrt {c\,x^2+b\,x+a}\right )\,\left (b^3-4\,a\,b\,c\right )}{16\,c^{5/2}}+\frac {\left (-3\,b^2+2\,c\,x\,b+8\,c\,\left (c\,x^2+a\right )\right )\,\sqrt {c\,x^2+b\,x+a}}{24\,c^2}\right )}{8\,c}-\frac {x\,{\left (c\,x^2+b\,x+a\right )}^{3/2}}{4\,c}+\frac {a\,\left (\left (\frac {x}{2}+\frac {b}{4\,c}\right )\,\sqrt {c\,x^2+b\,x+a}+\frac {\ln \left (\frac {\frac {b}{2}+c\,x}{\sqrt {c}}+\sqrt {c\,x^2+b\,x+a}\right )\,\left (a\,c-\frac {b^2}{4}\right )}{2\,c^{3/2}}\right )}{4\,c}\right )}{5}-\frac {4\,a\,e^2\,\left (\frac {\ln \left (\frac {b+2\,c\,x}{\sqrt {c}}+2\,\sqrt {c\,x^2+b\,x+a}\right )\,\left (b^3-4\,a\,b\,c\right )}{16\,c^{5/2}}+\frac {\left (-3\,b^2+2\,c\,x\,b+8\,c\,\left (c\,x^2+a\right )\right )\,\sqrt {c\,x^2+b\,x+a}}{24\,c^2}\right )}{5}+\frac {2\,e^2\,x^2\,{\left (c\,x^2+b\,x+a\right )}^{3/2}}{5}+\frac {d^2\,\left (-3\,b^2+2\,c\,x\,b+8\,c\,\left (c\,x^2+a\right )\right )\,\sqrt {c\,x^2+b\,x+a}}{12\,c}+b\,d^2\,\left (\frac {x}{2}+\frac {b}{4\,c}\right )\,\sqrt {c\,x^2+b\,x+a}-\frac {5\,b\,d\,e\,\left (\frac {\ln \left (\frac {b+2\,c\,x}{\sqrt {c}}+2\,\sqrt {c\,x^2+b\,x+a}\right )\,\left (b^3-4\,a\,b\,c\right )}{16\,c^{5/2}}+\frac {\left (-3\,b^2+2\,c\,x\,b+8\,c\,\left (c\,x^2+a\right )\right )\,\sqrt {c\,x^2+b\,x+a}}{24\,c^2}\right )}{2}-\frac {5\,b^2\,e^2\,\left (\frac {\ln \left (\frac {b+2\,c\,x}{\sqrt {c}}+2\,\sqrt {c\,x^2+b\,x+a}\right )\,\left (b^3-4\,a\,b\,c\right )}{16\,c^{5/2}}+\frac {\left (-3\,b^2+2\,c\,x\,b+8\,c\,\left (c\,x^2+a\right )\right )\,\sqrt {c\,x^2+b\,x+a}}{24\,c^2}\right )}{8\,c}+d\,e\,x\,{\left (c\,x^2+b\,x+a\right )}^{3/2}+\frac {d^2\,\ln \left (\frac {b+2\,c\,x}{\sqrt {c}}+2\,\sqrt {c\,x^2+b\,x+a}\right )\,\left (b^3-4\,a\,b\,c\right )}{8\,c^{3/2}}-a\,d\,e\,\left (\left (\frac {x}{2}+\frac {b}{4\,c}\right )\,\sqrt {c\,x^2+b\,x+a}+\frac {\ln \left (\frac {\frac {b}{2}+c\,x}{\sqrt {c}}+\sqrt {c\,x^2+b\,x+a}\right )\,\left (a\,c-\frac {b^2}{4}\right )}{2\,c^{3/2}}\right )-\frac {a\,b\,e^2\,\left (\left (\frac {x}{2}+\frac {b}{4\,c}\right )\,\sqrt {c\,x^2+b\,x+a}+\frac {\ln \left (\frac {\frac {b}{2}+c\,x}{\sqrt {c}}+\sqrt {c\,x^2+b\,x+a}\right )\,\left (a\,c-\frac {b^2}{4}\right )}{2\,c^{3/2}}\right )}{4\,c}+\frac {b\,d^2\,\ln \left (\frac {\frac {b}{2}+c\,x}{\sqrt {c}}+\sqrt {c\,x^2+b\,x+a}\right )\,\left (a\,c-\frac {b^2}{4}\right )}{2\,c^{3/2}}+\frac {b\,e^2\,x\,{\left (c\,x^2+b\,x+a\right )}^{3/2}}{4\,c}+\frac {b\,d\,e\,\ln \left (\frac {b+2\,c\,x}{\sqrt {c}}+2\,\sqrt {c\,x^2+b\,x+a}\right )\,\left (b^3-4\,a\,b\,c\right )}{8\,c^{5/2}}+\frac {b\,d\,e\,\left (-3\,b^2+2\,c\,x\,b+8\,c\,\left (c\,x^2+a\right )\right )\,\sqrt {c\,x^2+b\,x+a}}{12\,c^2} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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