Integrand size = 13, antiderivative size = 30 \[ \int \left (b x^2+c x^4\right )^2 \, dx=\frac {b^2 x^5}{5}+\frac {2}{7} b c x^7+\frac {c^2 x^9}{9} \]
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Time = 0.01 (sec) , antiderivative size = 30, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.154, Rules used = {1607, 276} \[ \int \left (b x^2+c x^4\right )^2 \, dx=\frac {b^2 x^5}{5}+\frac {2}{7} b c x^7+\frac {c^2 x^9}{9} \]
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Rule 276
Rule 1607
Rubi steps \begin{align*} \text {integral}& = \int x^4 \left (b+c x^2\right )^2 \, dx \\ & = \int \left (b^2 x^4+2 b c x^6+c^2 x^8\right ) \, dx \\ & = \frac {b^2 x^5}{5}+\frac {2}{7} b c x^7+\frac {c^2 x^9}{9} \\ \end{align*}
Time = 0.00 (sec) , antiderivative size = 30, normalized size of antiderivative = 1.00 \[ \int \left (b x^2+c x^4\right )^2 \, dx=\frac {b^2 x^5}{5}+\frac {2}{7} b c x^7+\frac {c^2 x^9}{9} \]
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Time = 0.05 (sec) , antiderivative size = 25, normalized size of antiderivative = 0.83
method | result | size |
default | \(\frac {1}{5} b^{2} x^{5}+\frac {2}{7} b c \,x^{7}+\frac {1}{9} c^{2} x^{9}\) | \(25\) |
norman | \(\frac {1}{5} b^{2} x^{5}+\frac {2}{7} b c \,x^{7}+\frac {1}{9} c^{2} x^{9}\) | \(25\) |
risch | \(\frac {1}{5} b^{2} x^{5}+\frac {2}{7} b c \,x^{7}+\frac {1}{9} c^{2} x^{9}\) | \(25\) |
parallelrisch | \(\frac {1}{5} b^{2} x^{5}+\frac {2}{7} b c \,x^{7}+\frac {1}{9} c^{2} x^{9}\) | \(25\) |
gosper | \(\frac {x^{5} \left (35 c^{2} x^{4}+90 b c \,x^{2}+63 b^{2}\right )}{315}\) | \(27\) |
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none
Time = 0.24 (sec) , antiderivative size = 24, normalized size of antiderivative = 0.80 \[ \int \left (b x^2+c x^4\right )^2 \, dx=\frac {1}{9} \, c^{2} x^{9} + \frac {2}{7} \, b c x^{7} + \frac {1}{5} \, b^{2} x^{5} \]
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Time = 0.02 (sec) , antiderivative size = 26, normalized size of antiderivative = 0.87 \[ \int \left (b x^2+c x^4\right )^2 \, dx=\frac {b^{2} x^{5}}{5} + \frac {2 b c x^{7}}{7} + \frac {c^{2} x^{9}}{9} \]
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none
Time = 0.21 (sec) , antiderivative size = 24, normalized size of antiderivative = 0.80 \[ \int \left (b x^2+c x^4\right )^2 \, dx=\frac {1}{9} \, c^{2} x^{9} + \frac {2}{7} \, b c x^{7} + \frac {1}{5} \, b^{2} x^{5} \]
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none
Time = 0.29 (sec) , antiderivative size = 24, normalized size of antiderivative = 0.80 \[ \int \left (b x^2+c x^4\right )^2 \, dx=\frac {1}{9} \, c^{2} x^{9} + \frac {2}{7} \, b c x^{7} + \frac {1}{5} \, b^{2} x^{5} \]
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Time = 0.04 (sec) , antiderivative size = 24, normalized size of antiderivative = 0.80 \[ \int \left (b x^2+c x^4\right )^2 \, dx=\frac {b^2\,x^5}{5}+\frac {2\,b\,c\,x^7}{7}+\frac {c^2\,x^9}{9} \]
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