Integrand size = 17, antiderivative size = 24 \[ \int \frac {\left (b x^2+c x^4\right )^2}{x^6} \, dx=-\frac {b^2}{x}+2 b c x+\frac {c^2 x^3}{3} \]
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Time = 0.01 (sec) , antiderivative size = 24, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.118, Rules used = {1598, 276} \[ \int \frac {\left (b x^2+c x^4\right )^2}{x^6} \, dx=-\frac {b^2}{x}+2 b c x+\frac {c^2 x^3}{3} \]
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Rule 276
Rule 1598
Rubi steps \begin{align*} \text {integral}& = \int \frac {\left (b+c x^2\right )^2}{x^2} \, dx \\ & = \int \left (2 b c+\frac {b^2}{x^2}+c^2 x^2\right ) \, dx \\ & = -\frac {b^2}{x}+2 b c x+\frac {c^2 x^3}{3} \\ \end{align*}
Time = 0.00 (sec) , antiderivative size = 24, normalized size of antiderivative = 1.00 \[ \int \frac {\left (b x^2+c x^4\right )^2}{x^6} \, dx=-\frac {b^2}{x}+2 b c x+\frac {c^2 x^3}{3} \]
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Time = 0.03 (sec) , antiderivative size = 23, normalized size of antiderivative = 0.96
method | result | size |
default | \(-\frac {b^{2}}{x}+2 b c x +\frac {c^{2} x^{3}}{3}\) | \(23\) |
risch | \(-\frac {b^{2}}{x}+2 b c x +\frac {c^{2} x^{3}}{3}\) | \(23\) |
parallelrisch | \(\frac {c^{2} x^{4}+6 b c \,x^{2}-3 b^{2}}{3 x}\) | \(26\) |
gosper | \(-\frac {-c^{2} x^{4}-6 b c \,x^{2}+3 b^{2}}{3 x}\) | \(27\) |
norman | \(\frac {-b^{2} x^{4}+\frac {1}{3} c^{2} x^{8}+2 b c \,x^{6}}{x^{5}}\) | \(29\) |
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Time = 0.24 (sec) , antiderivative size = 25, normalized size of antiderivative = 1.04 \[ \int \frac {\left (b x^2+c x^4\right )^2}{x^6} \, dx=\frac {c^{2} x^{4} + 6 \, b c x^{2} - 3 \, b^{2}}{3 \, x} \]
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Time = 0.04 (sec) , antiderivative size = 19, normalized size of antiderivative = 0.79 \[ \int \frac {\left (b x^2+c x^4\right )^2}{x^6} \, dx=- \frac {b^{2}}{x} + 2 b c x + \frac {c^{2} x^{3}}{3} \]
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Time = 0.18 (sec) , antiderivative size = 22, normalized size of antiderivative = 0.92 \[ \int \frac {\left (b x^2+c x^4\right )^2}{x^6} \, dx=\frac {1}{3} \, c^{2} x^{3} + 2 \, b c x - \frac {b^{2}}{x} \]
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Time = 0.28 (sec) , antiderivative size = 22, normalized size of antiderivative = 0.92 \[ \int \frac {\left (b x^2+c x^4\right )^2}{x^6} \, dx=\frac {1}{3} \, c^{2} x^{3} + 2 \, b c x - \frac {b^{2}}{x} \]
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Time = 0.04 (sec) , antiderivative size = 22, normalized size of antiderivative = 0.92 \[ \int \frac {\left (b x^2+c x^4\right )^2}{x^6} \, dx=\frac {c^2\,x^3}{3}-\frac {b^2}{x}+2\,b\,c\,x \]
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