Integrand size = 24, antiderivative size = 61 \[ \int \frac {(b d+2 c d x)^5}{a+b x+c x^2} \, dx=\left (b^2-4 a c\right ) d^5 (b+2 c x)^2+\frac {1}{2} d^5 (b+2 c x)^4+\left (b^2-4 a c\right )^2 d^5 \log \left (a+b x+c x^2\right ) \]
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Time = 0.03 (sec) , antiderivative size = 61, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.083, Rules used = {706, 642} \[ \int \frac {(b d+2 c d x)^5}{a+b x+c x^2} \, dx=d^5 \left (b^2-4 a c\right )^2 \log \left (a+b x+c x^2\right )+d^5 \left (b^2-4 a c\right ) (b+2 c x)^2+\frac {1}{2} d^5 (b+2 c x)^4 \]
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Rule 642
Rule 706
Rubi steps \begin{align*} \text {integral}& = \frac {1}{2} d^5 (b+2 c x)^4+\left (\left (b^2-4 a c\right ) d^2\right ) \int \frac {(b d+2 c d x)^3}{a+b x+c x^2} \, dx \\ & = \left (b^2-4 a c\right ) d^5 (b+2 c x)^2+\frac {1}{2} d^5 (b+2 c x)^4+\left (\left (b^2-4 a c\right )^2 d^4\right ) \int \frac {b d+2 c d x}{a+b x+c x^2} \, dx \\ & = \left (b^2-4 a c\right ) d^5 (b+2 c x)^2+\frac {1}{2} d^5 (b+2 c x)^4+\left (b^2-4 a c\right )^2 d^5 \log \left (a+b x+c x^2\right ) \\ \end{align*}
Time = 0.02 (sec) , antiderivative size = 54, normalized size of antiderivative = 0.89 \[ \int \frac {(b d+2 c d x)^5}{a+b x+c x^2} \, dx=d^5 \left (8 c x (b+c x) \left (b^2+b c x+c \left (-2 a+c x^2\right )\right )+\left (b^2-4 a c\right )^2 \log (a+x (b+c x))\right ) \]
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Time = 2.43 (sec) , antiderivative size = 89, normalized size of antiderivative = 1.46
method | result | size |
default | \(d^{5} \left (8 c^{4} x^{4}+16 b \,c^{3} x^{3}-16 x^{2} a \,c^{3}+16 b^{2} c^{2} x^{2}-16 a b \,c^{2} x +8 b^{3} c x +\left (16 a^{2} c^{2}-8 a \,b^{2} c +b^{4}\right ) \ln \left (c \,x^{2}+b x +a \right )\right )\) | \(89\) |
norman | \(\left (-16 d^{5} c^{3} a +16 b^{2} c^{2} d^{5}\right ) x^{2}+8 c^{4} d^{5} x^{4}+16 b \,c^{3} d^{5} x^{3}-8 b \,d^{5} c \left (2 a c -b^{2}\right ) x +\left (16 d^{5} a^{2} c^{2}-8 a \,d^{5} c \,b^{2}+d^{5} b^{4}\right ) \ln \left (c \,x^{2}+b x +a \right )\) | \(109\) |
parallelrisch | \(8 c^{4} d^{5} x^{4}+16 b \,c^{3} d^{5} x^{3}-16 a \,c^{3} d^{5} x^{2}+16 b^{2} c^{2} d^{5} x^{2}+16 \ln \left (c \,x^{2}+b x +a \right ) a^{2} c^{2} d^{5}-8 \ln \left (c \,x^{2}+b x +a \right ) a \,b^{2} c \,d^{5}+\ln \left (c \,x^{2}+b x +a \right ) b^{4} d^{5}-16 a b \,c^{2} d^{5} x +8 b^{3} c \,d^{5} x\) | \(133\) |
risch | \(8 c^{4} d^{5} x^{4}+16 b \,c^{3} d^{5} x^{3}-16 a \,c^{3} d^{5} x^{2}+16 b^{2} c^{2} d^{5} x^{2}-16 a b \,c^{2} d^{5} x +8 b^{3} c \,d^{5} x +8 d^{5} a^{2} c^{2}-8 a \,d^{5} c \,b^{2}+2 d^{5} b^{4}+16 \ln \left (c \,x^{2}+b x +a \right ) a^{2} c^{2} d^{5}-8 \ln \left (c \,x^{2}+b x +a \right ) a \,b^{2} c \,d^{5}+\ln \left (c \,x^{2}+b x +a \right ) b^{4} d^{5}\) | \(162\) |
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Time = 0.27 (sec) , antiderivative size = 99, normalized size of antiderivative = 1.62 \[ \int \frac {(b d+2 c d x)^5}{a+b x+c x^2} \, dx=8 \, c^{4} d^{5} x^{4} + 16 \, b c^{3} d^{5} x^{3} + 16 \, {\left (b^{2} c^{2} - a c^{3}\right )} d^{5} x^{2} + 8 \, {\left (b^{3} c - 2 \, a b c^{2}\right )} d^{5} x + {\left (b^{4} - 8 \, a b^{2} c + 16 \, a^{2} c^{2}\right )} d^{5} \log \left (c x^{2} + b x + a\right ) \]
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Time = 0.44 (sec) , antiderivative size = 99, normalized size of antiderivative = 1.62 \[ \int \frac {(b d+2 c d x)^5}{a+b x+c x^2} \, dx=16 b c^{3} d^{5} x^{3} + 8 c^{4} d^{5} x^{4} + d^{5} \left (4 a c - b^{2}\right )^{2} \log {\left (a + b x + c x^{2} \right )} + x^{2} \left (- 16 a c^{3} d^{5} + 16 b^{2} c^{2} d^{5}\right ) + x \left (- 16 a b c^{2} d^{5} + 8 b^{3} c d^{5}\right ) \]
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Time = 0.22 (sec) , antiderivative size = 99, normalized size of antiderivative = 1.62 \[ \int \frac {(b d+2 c d x)^5}{a+b x+c x^2} \, dx=8 \, c^{4} d^{5} x^{4} + 16 \, b c^{3} d^{5} x^{3} + 16 \, {\left (b^{2} c^{2} - a c^{3}\right )} d^{5} x^{2} + 8 \, {\left (b^{3} c - 2 \, a b c^{2}\right )} d^{5} x + {\left (b^{4} - 8 \, a b^{2} c + 16 \, a^{2} c^{2}\right )} d^{5} \log \left (c x^{2} + b x + a\right ) \]
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Time = 0.27 (sec) , antiderivative size = 118, normalized size of antiderivative = 1.93 \[ \int \frac {(b d+2 c d x)^5}{a+b x+c x^2} \, dx={\left (b^{4} d^{5} - 8 \, a b^{2} c d^{5} + 16 \, a^{2} c^{2} d^{5}\right )} \log \left (c x^{2} + b x + a\right ) + \frac {8 \, {\left (c^{8} d^{5} x^{4} + 2 \, b c^{7} d^{5} x^{3} + 2 \, b^{2} c^{6} d^{5} x^{2} - 2 \, a c^{7} d^{5} x^{2} + b^{3} c^{5} d^{5} x - 2 \, a b c^{6} d^{5} x\right )}}{c^{4}} \]
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Time = 0.07 (sec) , antiderivative size = 139, normalized size of antiderivative = 2.28 \[ \int \frac {(b d+2 c d x)^5}{a+b x+c x^2} \, dx=\ln \left (c\,x^2+b\,x+a\right )\,\left (16\,a^2\,c^2\,d^5-8\,a\,b^2\,c\,d^5+b^4\,d^5\right )-x^2\,\left (16\,a\,c^3\,d^5-16\,b^2\,c^2\,d^5\right )+x\,\left (40\,b^3\,c\,d^5+\frac {b\,\left (32\,a\,c^3\,d^5-32\,b^2\,c^2\,d^5\right )}{c}-48\,a\,b\,c^2\,d^5\right )+8\,c^4\,d^5\,x^4+16\,b\,c^3\,d^5\,x^3 \]
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