Optimal. Leaf size=87 \[ \frac{6 a^2 b^2 x^{m+2}}{m+2}+\frac{8 a^3 b x^{m+\frac{3}{2}}}{2 m+3}+\frac{a^4 x^{m+1}}{m+1}+\frac{8 a b^3 x^{m+\frac{5}{2}}}{2 m+5}+\frac{b^4 x^{m+3}}{m+3} \]
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Rubi [A] time = 0.0428044, antiderivative size = 87, normalized size of antiderivative = 1., number of steps used = 2, number of rules used = 1, integrand size = 15, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.067, Rules used = {270} \[ \frac{6 a^2 b^2 x^{m+2}}{m+2}+\frac{8 a^3 b x^{m+\frac{3}{2}}}{2 m+3}+\frac{a^4 x^{m+1}}{m+1}+\frac{8 a b^3 x^{m+\frac{5}{2}}}{2 m+5}+\frac{b^4 x^{m+3}}{m+3} \]
Antiderivative was successfully verified.
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Rule 270
Rubi steps
\begin{align*} \int \left (a+b \sqrt{x}\right )^4 x^m \, dx &=\int \left (a^4 x^m+4 a^3 b x^{\frac{1}{2}+m}+6 a^2 b^2 x^{1+m}+4 a b^3 x^{\frac{3}{2}+m}+b^4 x^{2+m}\right ) \, dx\\ &=\frac{a^4 x^{1+m}}{1+m}+\frac{8 a^3 b x^{\frac{3}{2}+m}}{3+2 m}+\frac{6 a^2 b^2 x^{2+m}}{2+m}+\frac{8 a b^3 x^{\frac{5}{2}+m}}{5+2 m}+\frac{b^4 x^{3+m}}{3+m}\\ \end{align*}
Mathematica [A] time = 0.0687767, size = 78, normalized size = 0.9 \[ x^{m+1} \left (\frac{6 a^2 b^2 x}{m+2}+\frac{8 a^3 b \sqrt{x}}{2 m+3}+\frac{a^4}{m+1}+\frac{8 a b^3 x^{3/2}}{2 m+5}+\frac{b^4 x^2}{m+3}\right ) \]
Antiderivative was successfully verified.
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Maple [F] time = 0.013, size = 0, normalized size = 0. \begin{align*} \int{x}^{m} \left ( a+b\sqrt{x} \right ) ^{4}\, dx \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [F(-2)] time = 0., size = 0, normalized size = 0. \begin{align*} \text{Exception raised: ValueError} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [B] time = 1.42253, size = 578, normalized size = 6.64 \begin{align*} \frac{{\left ({\left (4 \, b^{4} m^{4} + 28 \, b^{4} m^{3} + 71 \, b^{4} m^{2} + 77 \, b^{4} m + 30 \, b^{4}\right )} x^{3} + 6 \,{\left (4 \, a^{2} b^{2} m^{4} + 32 \, a^{2} b^{2} m^{3} + 91 \, a^{2} b^{2} m^{2} + 108 \, a^{2} b^{2} m + 45 \, a^{2} b^{2}\right )} x^{2} +{\left (4 \, a^{4} m^{4} + 36 \, a^{4} m^{3} + 119 \, a^{4} m^{2} + 171 \, a^{4} m + 90 \, a^{4}\right )} x + 8 \,{\left ({\left (2 \, a b^{3} m^{4} + 15 \, a b^{3} m^{3} + 40 \, a b^{3} m^{2} + 45 \, a b^{3} m + 18 \, a b^{3}\right )} x^{2} +{\left (2 \, a^{3} b m^{4} + 17 \, a^{3} b m^{3} + 52 \, a^{3} b m^{2} + 67 \, a^{3} b m + 30 \, a^{3} b\right )} x\right )} \sqrt{x}\right )} x^{m}}{4 \, m^{5} + 40 \, m^{4} + 155 \, m^{3} + 290 \, m^{2} + 261 \, m + 90} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [F(-2)] time = 0., size = 0, normalized size = 0. \begin{align*} \text{Exception raised: TypeError} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A] time = 1.14546, size = 143, normalized size = 1.64 \begin{align*} \frac{b^{4} x^{3} \sqrt{x}^{2 \, m}}{m + 3} + \frac{8 \, a b^{3} x^{\frac{5}{2}} \sqrt{x}^{2 \, m}}{2 \, m + 5} + \frac{6 \, a^{2} b^{2} x^{2} \sqrt{x}^{2 \, m}}{m + 2} + \frac{8 \, a^{3} b x^{\frac{3}{2}} \sqrt{x}^{2 \, m}}{2 \, m + 3} + \frac{a^{4} x \sqrt{x}^{2 \, m}}{m + 1} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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