Optimal. Leaf size=97 \[ \frac{b \sqrt{a^2+2 a b x^2+b^2 x^4} (d x)^{m+3}}{d^3 (m+3) \left (a+b x^2\right )}+\frac{a \sqrt{a^2+2 a b x^2+b^2 x^4} (d x)^{m+1}}{d (m+1) \left (a+b x^2\right )} \]
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Rubi [A] time = 0.0337345, antiderivative size = 97, normalized size of antiderivative = 1., number of steps used = 3, number of rules used = 2, integrand size = 28, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.071, Rules used = {1112, 14} \[ \frac{b \sqrt{a^2+2 a b x^2+b^2 x^4} (d x)^{m+3}}{d^3 (m+3) \left (a+b x^2\right )}+\frac{a \sqrt{a^2+2 a b x^2+b^2 x^4} (d x)^{m+1}}{d (m+1) \left (a+b x^2\right )} \]
Antiderivative was successfully verified.
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Rule 1112
Rule 14
Rubi steps
\begin{align*} \int (d x)^m \sqrt{a^2+2 a b x^2+b^2 x^4} \, dx &=\frac{\sqrt{a^2+2 a b x^2+b^2 x^4} \int (d x)^m \left (a b+b^2 x^2\right ) \, dx}{a b+b^2 x^2}\\ &=\frac{\sqrt{a^2+2 a b x^2+b^2 x^4} \int \left (a b (d x)^m+\frac{b^2 (d x)^{2+m}}{d^2}\right ) \, dx}{a b+b^2 x^2}\\ &=\frac{a (d x)^{1+m} \sqrt{a^2+2 a b x^2+b^2 x^4}}{d (1+m) \left (a+b x^2\right )}+\frac{b (d x)^{3+m} \sqrt{a^2+2 a b x^2+b^2 x^4}}{d^3 (3+m) \left (a+b x^2\right )}\\ \end{align*}
Mathematica [A] time = 0.0247809, size = 53, normalized size = 0.55 \[ \frac{x \sqrt{\left (a+b x^2\right )^2} (d x)^m \left (a (m+3)+b (m+1) x^2\right )}{(m+1) (m+3) \left (a+b x^2\right )} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.166, size = 56, normalized size = 0.6 \begin{align*}{\frac{ \left ( bm{x}^{2}+b{x}^{2}+am+3\,a \right ) x \left ( dx \right ) ^{m}}{ \left ( 3+m \right ) \left ( 1+m \right ) \left ( b{x}^{2}+a \right ) }\sqrt{ \left ( b{x}^{2}+a \right ) ^{2}}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A] time = 0.971085, size = 47, normalized size = 0.48 \begin{align*} \frac{{\left (b d^{m}{\left (m + 1\right )} x^{3} + a d^{m}{\left (m + 3\right )} x\right )} x^{m}}{m^{2} + 4 \, m + 3} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 1.54057, size = 77, normalized size = 0.79 \begin{align*} \frac{{\left ({\left (b m + b\right )} x^{3} +{\left (a m + 3 \, a\right )} x\right )} \left (d x\right )^{m}}{m^{2} + 4 \, m + 3} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int \left (d x\right )^{m} \sqrt{\left (a + b x^{2}\right )^{2}}\, dx \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A] time = 1.28775, size = 112, normalized size = 1.15 \begin{align*} \frac{\left (d x\right )^{m} b m x^{3} \mathrm{sgn}\left (b x^{2} + a\right ) + \left (d x\right )^{m} b x^{3} \mathrm{sgn}\left (b x^{2} + a\right ) + \left (d x\right )^{m} a m x \mathrm{sgn}\left (b x^{2} + a\right ) + 3 \, \left (d x\right )^{m} a x \mathrm{sgn}\left (b x^{2} + a\right )}{m^{2} + 4 \, m + 3} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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