Optimal. Leaf size=78 \[ \frac {8 b^2 \left (b x^2+c x^4\right )^{3/2}}{105 c^3 x^3}-\frac {4 b \left (b x^2+c x^4\right )^{3/2}}{35 c^2 x}+\frac {x \left (b x^2+c x^4\right )^{3/2}}{7 c} \]
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Rubi [A] time = 0.09, antiderivative size = 78, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 2, integrand size = 19, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.105, Rules used = {2016, 2000} \[ \frac {8 b^2 \left (b x^2+c x^4\right )^{3/2}}{105 c^3 x^3}-\frac {4 b \left (b x^2+c x^4\right )^{3/2}}{35 c^2 x}+\frac {x \left (b x^2+c x^4\right )^{3/2}}{7 c} \]
Antiderivative was successfully verified.
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Rule 2000
Rule 2016
Rubi steps
\begin {align*} \int x^4 \sqrt {b x^2+c x^4} \, dx &=\frac {x \left (b x^2+c x^4\right )^{3/2}}{7 c}-\frac {(4 b) \int x^2 \sqrt {b x^2+c x^4} \, dx}{7 c}\\ &=-\frac {4 b \left (b x^2+c x^4\right )^{3/2}}{35 c^2 x}+\frac {x \left (b x^2+c x^4\right )^{3/2}}{7 c}+\frac {\left (8 b^2\right ) \int \sqrt {b x^2+c x^4} \, dx}{35 c^2}\\ &=\frac {8 b^2 \left (b x^2+c x^4\right )^{3/2}}{105 c^3 x^3}-\frac {4 b \left (b x^2+c x^4\right )^{3/2}}{35 c^2 x}+\frac {x \left (b x^2+c x^4\right )^{3/2}}{7 c}\\ \end {align*}
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Mathematica [A] time = 0.02, size = 46, normalized size = 0.59 \[ \frac {\left (x^2 \left (b+c x^2\right )\right )^{3/2} \left (8 b^2-12 b c x^2+15 c^2 x^4\right )}{105 c^3 x^3} \]
Antiderivative was successfully verified.
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fricas [A] time = 0.52, size = 53, normalized size = 0.68 \[ \frac {{\left (15 \, c^{3} x^{6} + 3 \, b c^{2} x^{4} - 4 \, b^{2} c x^{2} + 8 \, b^{3}\right )} \sqrt {c x^{4} + b x^{2}}}{105 \, c^{3} x} \]
Verification of antiderivative is not currently implemented for this CAS.
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giac [A] time = 0.16, size = 60, normalized size = 0.77 \[ -\frac {8 \, b^{\frac {7}{2}} \mathrm {sgn}\relax (x)}{105 \, c^{3}} + \frac {15 \, {\left (c x^{2} + b\right )}^{\frac {7}{2}} \mathrm {sgn}\relax (x) - 42 \, {\left (c x^{2} + b\right )}^{\frac {5}{2}} b \mathrm {sgn}\relax (x) + 35 \, {\left (c x^{2} + b\right )}^{\frac {3}{2}} b^{2} \mathrm {sgn}\relax (x)}{105 \, c^{3}} \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [A] time = 0.00, size = 50, normalized size = 0.64 \[ \frac {\left (c \,x^{2}+b \right ) \left (15 c^{2} x^{4}-12 b c \,x^{2}+8 b^{2}\right ) \sqrt {c \,x^{4}+b \,x^{2}}}{105 c^{3} x} \]
Verification of antiderivative is not currently implemented for this CAS.
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maxima [A] time = 1.41, size = 46, normalized size = 0.59 \[ \frac {{\left (15 \, c^{3} x^{6} + 3 \, b c^{2} x^{4} - 4 \, b^{2} c x^{2} + 8 \, b^{3}\right )} \sqrt {c x^{2} + b}}{105 \, c^{3}} \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 4.23, size = 53, normalized size = 0.68 \[ \frac {\sqrt {c\,x^4+b\,x^2}\,\left (8\,b^3-4\,b^2\,c\,x^2+3\,b\,c^2\,x^4+15\,c^3\,x^6\right )}{105\,c^3\,x} \]
Verification of antiderivative is not currently implemented for this CAS.
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sympy [F] time = 0.00, size = 0, normalized size = 0.00 \[ \int x^{4} \sqrt {x^{2} \left (b + c x^{2}\right )}\, dx \]
Verification of antiderivative is not currently implemented for this CAS.
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