Integrand size = 16, antiderivative size = 23 \[ \int \frac {a+b x^2+c x^4}{x^6} \, dx=-\frac {a}{5 x^5}-\frac {b}{3 x^3}-\frac {c}{x} \]
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Time = 0.00 (sec) , antiderivative size = 23, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.062, Rules used = {14} \[ \int \frac {a+b x^2+c x^4}{x^6} \, dx=-\frac {a}{5 x^5}-\frac {b}{3 x^3}-\frac {c}{x} \]
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Rule 14
Rubi steps \begin{align*} \text {integral}& = \int \left (\frac {a}{x^6}+\frac {b}{x^4}+\frac {c}{x^2}\right ) \, dx \\ & = -\frac {a}{5 x^5}-\frac {b}{3 x^3}-\frac {c}{x} \\ \end{align*}
Time = 0.00 (sec) , antiderivative size = 23, normalized size of antiderivative = 1.00 \[ \int \frac {a+b x^2+c x^4}{x^6} \, dx=-\frac {a}{5 x^5}-\frac {b}{3 x^3}-\frac {c}{x} \]
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Time = 0.02 (sec) , antiderivative size = 20, normalized size of antiderivative = 0.87
method | result | size |
default | \(-\frac {a}{5 x^{5}}-\frac {b}{3 x^{3}}-\frac {c}{x}\) | \(20\) |
norman | \(\frac {-c \,x^{4}-\frac {1}{3} b \,x^{2}-\frac {1}{5} a}{x^{5}}\) | \(21\) |
risch | \(\frac {-c \,x^{4}-\frac {1}{3} b \,x^{2}-\frac {1}{5} a}{x^{5}}\) | \(21\) |
gosper | \(-\frac {15 c \,x^{4}+5 b \,x^{2}+3 a}{15 x^{5}}\) | \(22\) |
parallelrisch | \(\frac {-15 c \,x^{4}-5 b \,x^{2}-3 a}{15 x^{5}}\) | \(22\) |
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Time = 0.23 (sec) , antiderivative size = 21, normalized size of antiderivative = 0.91 \[ \int \frac {a+b x^2+c x^4}{x^6} \, dx=-\frac {15 \, c x^{4} + 5 \, b x^{2} + 3 \, a}{15 \, x^{5}} \]
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Time = 0.12 (sec) , antiderivative size = 22, normalized size of antiderivative = 0.96 \[ \int \frac {a+b x^2+c x^4}{x^6} \, dx=\frac {- 3 a - 5 b x^{2} - 15 c x^{4}}{15 x^{5}} \]
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Time = 0.20 (sec) , antiderivative size = 21, normalized size of antiderivative = 0.91 \[ \int \frac {a+b x^2+c x^4}{x^6} \, dx=-\frac {15 \, c x^{4} + 5 \, b x^{2} + 3 \, a}{15 \, x^{5}} \]
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Time = 0.30 (sec) , antiderivative size = 21, normalized size of antiderivative = 0.91 \[ \int \frac {a+b x^2+c x^4}{x^6} \, dx=-\frac {15 \, c x^{4} + 5 \, b x^{2} + 3 \, a}{15 \, x^{5}} \]
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Time = 0.03 (sec) , antiderivative size = 20, normalized size of antiderivative = 0.87 \[ \int \frac {a+b x^2+c x^4}{x^6} \, dx=-\frac {c\,x^4+\frac {b\,x^2}{3}+\frac {a}{5}}{x^5} \]
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