Integrand size = 18, antiderivative size = 34 \[ \int \left (a^2+2 a b x+b^2 x^2\right )^p \, dx=\frac {(a+b x) \left (a^2+2 a b x+b^2 x^2\right )^p}{b (1+2 p)} \]
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Time = 0.00 (sec) , antiderivative size = 34, normalized size of antiderivative = 1.00, number of steps used = 1, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.056, Rules used = {623} \[ \int \left (a^2+2 a b x+b^2 x^2\right )^p \, dx=\frac {(a+b x) \left (a^2+2 a b x+b^2 x^2\right )^p}{b (2 p+1)} \]
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Rule 623
Rubi steps \begin{align*} \text {integral}& = \frac {(a+b x) \left (a^2+2 a b x+b^2 x^2\right )^p}{b (1+2 p)} \\ \end{align*}
Time = 0.00 (sec) , antiderivative size = 25, normalized size of antiderivative = 0.74 \[ \int \left (a^2+2 a b x+b^2 x^2\right )^p \, dx=\frac {(a+b x) \left ((a+b x)^2\right )^p}{b (1+2 p)} \]
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Time = 2.25 (sec) , antiderivative size = 26, normalized size of antiderivative = 0.76
method | result | size |
risch | \(\frac {\left (b x +a \right ) \left (\left (b x +a \right )^{2}\right )^{p}}{b \left (1+2 p \right )}\) | \(26\) |
gosper | \(\frac {\left (b x +a \right ) \left (b^{2} x^{2}+2 a b x +a^{2}\right )^{p}}{b \left (1+2 p \right )}\) | \(35\) |
parallelrisch | \(\frac {x \left (b^{2} x^{2}+2 a b x +a^{2}\right )^{p} a b +\left (b^{2} x^{2}+2 a b x +a^{2}\right )^{p} a^{2}}{\left (1+2 p \right ) a b}\) | \(60\) |
norman | \(\frac {x \,{\mathrm e}^{p \ln \left (b^{2} x^{2}+2 a b x +a^{2}\right )}}{1+2 p}+\frac {a \,{\mathrm e}^{p \ln \left (b^{2} x^{2}+2 a b x +a^{2}\right )}}{b \left (1+2 p \right )}\) | \(63\) |
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none
Time = 0.26 (sec) , antiderivative size = 32, normalized size of antiderivative = 0.94 \[ \int \left (a^2+2 a b x+b^2 x^2\right )^p \, dx=\frac {{\left (b x + a\right )} {\left (b^{2} x^{2} + 2 \, a b x + a^{2}\right )}^{p}}{2 \, b p + b} \]
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Leaf count of result is larger than twice the leaf count of optimal. 100 vs. \(2 (29) = 58\).
Time = 0.48 (sec) , antiderivative size = 100, normalized size of antiderivative = 2.94 \[ \int \left (a^2+2 a b x+b^2 x^2\right )^p \, dx=\begin {cases} \frac {x}{\sqrt {a^{2}}} & \text {for}\: b = 0 \wedge p = - \frac {1}{2} \\x \left (a^{2}\right )^{p} & \text {for}\: b = 0 \\\frac {\left (\frac {a}{b} + x\right ) \log {\left (\frac {a}{b} + x \right )}}{\sqrt {b^{2} \left (\frac {a}{b} + x\right )^{2}}} & \text {for}\: p = - \frac {1}{2} \\\frac {a \left (a^{2} + 2 a b x + b^{2} x^{2}\right )^{p}}{2 b p + b} + \frac {b x \left (a^{2} + 2 a b x + b^{2} x^{2}\right )^{p}}{2 b p + b} & \text {otherwise} \end {cases} \]
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Time = 0.19 (sec) , antiderivative size = 25, normalized size of antiderivative = 0.74 \[ \int \left (a^2+2 a b x+b^2 x^2\right )^p \, dx=\frac {{\left (b x + a\right )} {\left (b x + a\right )}^{2 \, p}}{b {\left (2 \, p + 1\right )}} \]
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Time = 0.28 (sec) , antiderivative size = 51, normalized size of antiderivative = 1.50 \[ \int \left (a^2+2 a b x+b^2 x^2\right )^p \, dx=\frac {{\left (b^{2} x^{2} + 2 \, a b x + a^{2}\right )}^{p} b x + {\left (b^{2} x^{2} + 2 \, a b x + a^{2}\right )}^{p} a}{2 \, b p + b} \]
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Time = 9.79 (sec) , antiderivative size = 41, normalized size of antiderivative = 1.21 \[ \int \left (a^2+2 a b x+b^2 x^2\right )^p \, dx=\left (\frac {x}{2\,p+1}+\frac {a}{b\,\left (2\,p+1\right )}\right )\,{\left (a^2+2\,a\,b\,x+b^2\,x^2\right )}^p \]
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