Optimal. Leaf size=22 \[ \frac {a x^n}{n}+\frac {b x^{2 n}}{2 n} \]
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Rubi [A] time = 0.01, antiderivative size = 22, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 1, integrand size = 13, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.077, Rules used = {14} \[ \frac {a x^n}{n}+\frac {b x^{2 n}}{2 n} \]
Antiderivative was successfully verified.
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Rule 14
Rubi steps
\begin {align*} \int x^{-1+n} \left (a+b x^n\right ) \, dx &=\int \left (a x^{-1+n}+b x^{-1+2 n}\right ) \, dx\\ &=\frac {a x^n}{n}+\frac {b x^{2 n}}{2 n}\\ \end {align*}
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Mathematica [A] time = 0.01, size = 19, normalized size = 0.86 \[ \frac {x^n \left (2 a+b x^n\right )}{2 n} \]
Antiderivative was successfully verified.
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fricas [A] time = 0.76, size = 19, normalized size = 0.86 \[ \frac {b x^{2 \, n} + 2 \, a x^{n}}{2 \, n} \]
Verification of antiderivative is not currently implemented for this CAS.
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giac [A] time = 0.15, size = 19, normalized size = 0.86 \[ \frac {b x^{2 \, n} + 2 \, a x^{n}}{2 \, n} \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [A] time = 0.02, size = 25, normalized size = 1.14 \[ \frac {a \,{\mathrm e}^{n \ln \relax (x )}}{n}+\frac {b \,{\mathrm e}^{2 n \ln \relax (x )}}{2 n} \]
Verification of antiderivative is not currently implemented for this CAS.
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maxima [A] time = 0.58, size = 17, normalized size = 0.77 \[ \frac {{\left (b x^{n} + a\right )}^{2}}{2 \, b n} \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 1.24, size = 15, normalized size = 0.68 \[ \frac {x^n\,\left (a+\frac {b\,x^n}{2}\right )}{n} \]
Verification of antiderivative is not currently implemented for this CAS.
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sympy [A] time = 1.59, size = 22, normalized size = 1.00 \[ \begin {cases} \frac {a x^{n}}{n} + \frac {b x^{2 n}}{2 n} & \text {for}\: n \neq 0 \\\left (a + b\right ) \log {\relax (x )} & \text {otherwise} \end {cases} \]
Verification of antiderivative is not currently implemented for this CAS.
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