Integrand size = 45, antiderivative size = 20 \[ \int \left (a+b x^n+c x^{2 n}\right )^p \left (a+b (1+n+n p) x^n+c (1+2 n (1+p)) x^{2 n}\right ) \, dx=x \left (a+b x^n+c x^{2 n}\right )^{1+p} \]
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Time = 0.02 (sec) , antiderivative size = 20, normalized size of antiderivative = 1.00, number of steps used = 1, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.022, Rules used = {1789} \[ \int \left (a+b x^n+c x^{2 n}\right )^p \left (a+b (1+n+n p) x^n+c (1+2 n (1+p)) x^{2 n}\right ) \, dx=x \left (a+b x^n+c x^{2 n}\right )^{p+1} \]
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Rule 1789
Rubi steps \begin{align*} \text {integral}& = x \left (a+b x^n+c x^{2 n}\right )^{1+p} \\ \end{align*}
Time = 0.58 (sec) , antiderivative size = 19, normalized size of antiderivative = 0.95 \[ \int \left (a+b x^n+c x^{2 n}\right )^p \left (a+b (1+n+n p) x^n+c (1+2 n (1+p)) x^{2 n}\right ) \, dx=x \left (a+x^n \left (b+c x^n\right )\right )^{1+p} \]
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Time = 5.16 (sec) , antiderivative size = 33, normalized size of antiderivative = 1.65
method | result | size |
risch | \(x \left (a +b \,x^{n}+c \,x^{2 n}\right ) \left (a +b \,x^{n}+c \,x^{2 n}\right )^{p}\) | \(33\) |
parallelrisch | \(\frac {x \,x^{n} \left (a +b \,x^{n}+c \,x^{2 n}\right )^{p} b c +x \,x^{2 n} \left (a +b \,x^{n}+c \,x^{2 n}\right )^{p} c^{2}+x \left (a +b \,x^{n}+c \,x^{2 n}\right )^{p} a c}{c}\) | \(75\) |
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none
Time = 0.27 (sec) , antiderivative size = 35, normalized size of antiderivative = 1.75 \[ \int \left (a+b x^n+c x^{2 n}\right )^p \left (a+b (1+n+n p) x^n+c (1+2 n (1+p)) x^{2 n}\right ) \, dx={\left (c x x^{2 \, n} + b x x^{n} + a x\right )} {\left (c x^{2 \, n} + b x^{n} + a\right )}^{p} \]
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Leaf count of result is larger than twice the leaf count of optimal. 63 vs. \(2 (17) = 34\).
Time = 29.90 (sec) , antiderivative size = 63, normalized size of antiderivative = 3.15 \[ \int \left (a+b x^n+c x^{2 n}\right )^p \left (a+b (1+n+n p) x^n+c (1+2 n (1+p)) x^{2 n}\right ) \, dx=a x \left (a + b x^{n} + c x^{2 n}\right )^{p} + b x x^{n} \left (a + b x^{n} + c x^{2 n}\right )^{p} + c x x^{2 n} \left (a + b x^{n} + c x^{2 n}\right )^{p} \]
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none
Time = 0.25 (sec) , antiderivative size = 35, normalized size of antiderivative = 1.75 \[ \int \left (a+b x^n+c x^{2 n}\right )^p \left (a+b (1+n+n p) x^n+c (1+2 n (1+p)) x^{2 n}\right ) \, dx={\left (c x x^{2 \, n} + b x x^{n} + a x\right )} {\left (c x^{2 \, n} + b x^{n} + a\right )}^{p} \]
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Leaf count of result is larger than twice the leaf count of optimal. 66 vs. \(2 (20) = 40\).
Time = 0.37 (sec) , antiderivative size = 66, normalized size of antiderivative = 3.30 \[ \int \left (a+b x^n+c x^{2 n}\right )^p \left (a+b (1+n+n p) x^n+c (1+2 n (1+p)) x^{2 n}\right ) \, dx={\left (c x^{2 \, n} + b x^{n} + a\right )}^{p} c x x^{2 \, n} + {\left (c x^{2 \, n} + b x^{n} + a\right )}^{p} b x x^{n} + {\left (c x^{2 \, n} + b x^{n} + a\right )}^{p} a x \]
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Time = 8.88 (sec) , antiderivative size = 35, normalized size of antiderivative = 1.75 \[ \int \left (a+b x^n+c x^{2 n}\right )^p \left (a+b (1+n+n p) x^n+c (1+2 n (1+p)) x^{2 n}\right ) \, dx={\left (a+b\,x^n+c\,x^{2\,n}\right )}^p\,\left (a\,x+b\,x\,x^n+c\,x\,x^{2\,n}\right ) \]
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