Integrand size = 16, antiderivative size = 41 \[ \int (1+x)^p \left (1-x+x^2\right )^p \, dx=x (1+x)^p \left (1-x+x^2\right )^p \left (1+x^3\right )^{-p} \operatorname {Hypergeometric2F1}\left (\frac {1}{3},-p,\frac {4}{3},-x^3\right ) \]
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Time = 0.01 (sec) , antiderivative size = 41, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.125, Rules used = {727, 251} \[ \int (1+x)^p \left (1-x+x^2\right )^p \, dx=x (x+1)^p \left (x^2-x+1\right )^p \left (x^3+1\right )^{-p} \operatorname {Hypergeometric2F1}\left (\frac {1}{3},-p,\frac {4}{3},-x^3\right ) \]
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Rule 251
Rule 727
Rubi steps \begin{align*} \text {integral}& = \left ((1+x)^p \left (1-x+x^2\right )^p \left (1+x^3\right )^{-p}\right ) \int \left (1+x^3\right )^p \, dx \\ & = x (1+x)^p \left (1-x+x^2\right )^p \left (1+x^3\right )^{-p} \, _2F_1\left (\frac {1}{3},-p;\frac {4}{3};-x^3\right ) \\ \end{align*}
Result contains higher order function than in optimal. Order 6 vs. order 5 in optimal.
Time = 0.10 (sec) , antiderivative size = 132, normalized size of antiderivative = 3.22 \[ \int (1+x)^p \left (1-x+x^2\right )^p \, dx=\frac {\left (\frac {i+\sqrt {3}-2 i x}{3 i+\sqrt {3}}\right )^{-p} \left (\frac {-i+\sqrt {3}+2 i x}{-3 i+\sqrt {3}}\right )^{-p} (1+x)^{1+p} \left (1-x+x^2\right )^p \operatorname {AppellF1}\left (1+p,-p,-p,2+p,\frac {2 i (1+x)}{3 i+\sqrt {3}},-\frac {2 i (1+x)}{-3 i+\sqrt {3}}\right )}{1+p} \]
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\[\int \left (1+x \right )^{p} \left (x^{2}-x +1\right )^{p}d x\]
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\[ \int (1+x)^p \left (1-x+x^2\right )^p \, dx=\int { {\left (x^{2} - x + 1\right )}^{p} {\left (x + 1\right )}^{p} \,d x } \]
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\[ \int (1+x)^p \left (1-x+x^2\right )^p \, dx=\int \left (x + 1\right )^{p} \left (x^{2} - x + 1\right )^{p}\, dx \]
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\[ \int (1+x)^p \left (1-x+x^2\right )^p \, dx=\int { {\left (x^{2} - x + 1\right )}^{p} {\left (x + 1\right )}^{p} \,d x } \]
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\[ \int (1+x)^p \left (1-x+x^2\right )^p \, dx=\int { {\left (x^{2} - x + 1\right )}^{p} {\left (x + 1\right )}^{p} \,d x } \]
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Timed out. \[ \int (1+x)^p \left (1-x+x^2\right )^p \, dx=\int {\left (x+1\right )}^p\,{\left (x^2-x+1\right )}^p \,d x \]
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