Integrand size = 9, antiderivative size = 18 \[ \int \left (1+b x^4\right )^p \, dx=x \operatorname {Hypergeometric2F1}\left (\frac {1}{4},-p,\frac {5}{4},-b x^4\right ) \]
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Time = 0.00 (sec) , antiderivative size = 18, normalized size of antiderivative = 1.00, number of steps used = 1, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.111, Rules used = {251} \[ \int \left (1+b x^4\right )^p \, dx=x \operatorname {Hypergeometric2F1}\left (\frac {1}{4},-p,\frac {5}{4},-b x^4\right ) \]
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Rule 251
Rubi steps \begin{align*} \text {integral}& = x \, _2F_1\left (\frac {1}{4},-p;\frac {5}{4};-b x^4\right ) \\ \end{align*}
Time = 0.05 (sec) , antiderivative size = 18, normalized size of antiderivative = 1.00 \[ \int \left (1+b x^4\right )^p \, dx=x \operatorname {Hypergeometric2F1}\left (\frac {1}{4},-p,\frac {5}{4},-b x^4\right ) \]
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Time = 0.48 (sec) , antiderivative size = 17, normalized size of antiderivative = 0.94
method | result | size |
meijerg | \(x {}_{2}^{}{\moversetsp {}{\mundersetsp {}{F_{1}^{}}}}\left (\frac {1}{4},-p ;\frac {5}{4};-b \,x^{4}\right )\) | \(17\) |
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\[ \int \left (1+b x^4\right )^p \, dx=\int { {\left (b x^{4} + 1\right )}^{p} \,d x } \]
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Result contains complex when optimal does not.
Time = 3.08 (sec) , antiderivative size = 29, normalized size of antiderivative = 1.61 \[ \int \left (1+b x^4\right )^p \, dx=\frac {x \Gamma \left (\frac {1}{4}\right ) {{}_{2}F_{1}\left (\begin {matrix} \frac {1}{4}, - p \\ \frac {5}{4} \end {matrix}\middle | {b x^{4} e^{i \pi }} \right )}}{4 \Gamma \left (\frac {5}{4}\right )} \]
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\[ \int \left (1+b x^4\right )^p \, dx=\int { {\left (b x^{4} + 1\right )}^{p} \,d x } \]
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\[ \int \left (1+b x^4\right )^p \, dx=\int { {\left (b x^{4} + 1\right )}^{p} \,d x } \]
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Time = 0.07 (sec) , antiderivative size = 15, normalized size of antiderivative = 0.83 \[ \int \left (1+b x^4\right )^p \, dx=x\,{{}}_2{\mathrm {F}}_1\left (\frac {1}{4},-p;\ \frac {5}{4};\ -b\,x^4\right ) \]
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