Integrand size = 15, antiderivative size = 34 \[ \int \left (a+b \left (c x^n\right )^{\frac {1}{n}}\right )^2 \, dx=\frac {x \left (c x^n\right )^{-1/n} \left (a+b \left (c x^n\right )^{\frac {1}{n}}\right )^3}{3 b} \]
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Time = 0.01 (sec) , antiderivative size = 34, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.133, Rules used = {260, 32} \[ \int \left (a+b \left (c x^n\right )^{\frac {1}{n}}\right )^2 \, dx=\frac {x \left (c x^n\right )^{-1/n} \left (a+b \left (c x^n\right )^{\frac {1}{n}}\right )^3}{3 b} \]
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Rule 32
Rule 260
Rubi steps \begin{align*} \text {integral}& = \left (x \left (c x^n\right )^{-1/n}\right ) \text {Subst}\left (\int (a+b x)^2 \, dx,x,\left (c x^n\right )^{\frac {1}{n}}\right ) \\ & = \frac {x \left (c x^n\right )^{-1/n} \left (a+b \left (c x^n\right )^{\frac {1}{n}}\right )^3}{3 b} \\ \end{align*}
Time = 0.27 (sec) , antiderivative size = 38, normalized size of antiderivative = 1.12 \[ \int \left (a+b \left (c x^n\right )^{\frac {1}{n}}\right )^2 \, dx=a^2 x+a b x \left (c x^n\right )^{\frac {1}{n}}+\frac {1}{3} b^2 x \left (c x^n\right )^{2/n} \]
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Time = 4.11 (sec) , antiderivative size = 49, normalized size of antiderivative = 1.44
method | result | size |
parallelrisch | \(\frac {x^{2} \left (c \,x^{n}\right )^{\frac {2}{n}} b^{2}+3 x^{2} \left (c \,x^{n}\right )^{\frac {1}{n}} a b +3 a^{2} x^{2}}{3 x}\) | \(49\) |
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none
Time = 0.32 (sec) , antiderivative size = 32, normalized size of antiderivative = 0.94 \[ \int \left (a+b \left (c x^n\right )^{\frac {1}{n}}\right )^2 \, dx=\frac {1}{3} \, b^{2} c^{\frac {2}{n}} x^{3} + a b c^{\left (\frac {1}{n}\right )} x^{2} + a^{2} x \]
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Time = 0.13 (sec) , antiderivative size = 32, normalized size of antiderivative = 0.94 \[ \int \left (a+b \left (c x^n\right )^{\frac {1}{n}}\right )^2 \, dx=a^{2} x + a b x \left (c x^{n}\right )^{\frac {1}{n}} + \frac {b^{2} x \left (c x^{n}\right )^{\frac {2}{n}}}{3} \]
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\[ \int \left (a+b \left (c x^n\right )^{\frac {1}{n}}\right )^2 \, dx=\int { {\left (\left (c x^{n}\right )^{\left (\frac {1}{n}\right )} b + a\right )}^{2} \,d x } \]
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none
Time = 0.28 (sec) , antiderivative size = 32, normalized size of antiderivative = 0.94 \[ \int \left (a+b \left (c x^n\right )^{\frac {1}{n}}\right )^2 \, dx=\frac {1}{3} \, b^{2} c^{\frac {2}{n}} x^{3} + a b c^{\left (\frac {1}{n}\right )} x^{2} + a^{2} x \]
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Time = 5.48 (sec) , antiderivative size = 36, normalized size of antiderivative = 1.06 \[ \int \left (a+b \left (c x^n\right )^{\frac {1}{n}}\right )^2 \, dx=a^2\,x+\frac {b^2\,x\,{\left (c\,x^n\right )}^{2/n}}{3}+a\,b\,x\,{\left (c\,x^n\right )}^{1/n} \]
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