Optimal. Leaf size=102 \[ -\frac {16 c^2 \sqrt {b x^2+c x^4}}{5 b^4 x^2}+\frac {8 c \sqrt {b x^2+c x^4}}{5 b^3 x^4}-\frac {6 \sqrt {b x^2+c x^4}}{5 b^2 x^6}+\frac {1}{b x^4 \sqrt {b x^2+c x^4}} \]
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Rubi [A] time = 0.18, antiderivative size = 102, normalized size of antiderivative = 1.00, number of steps used = 4, number of rules used = 3, integrand size = 19, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.158, Rules used = {2015, 2016, 2014} \[ -\frac {16 c^2 \sqrt {b x^2+c x^4}}{5 b^4 x^2}+\frac {8 c \sqrt {b x^2+c x^4}}{5 b^3 x^4}-\frac {6 \sqrt {b x^2+c x^4}}{5 b^2 x^6}+\frac {1}{b x^4 \sqrt {b x^2+c x^4}} \]
Antiderivative was successfully verified.
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Rule 2014
Rule 2015
Rule 2016
Rubi steps
\begin {align*} \int \frac {1}{x^3 \left (b x^2+c x^4\right )^{3/2}} \, dx &=\frac {1}{b x^4 \sqrt {b x^2+c x^4}}+\frac {6 \int \frac {1}{x^5 \sqrt {b x^2+c x^4}} \, dx}{b}\\ &=\frac {1}{b x^4 \sqrt {b x^2+c x^4}}-\frac {6 \sqrt {b x^2+c x^4}}{5 b^2 x^6}-\frac {(24 c) \int \frac {1}{x^3 \sqrt {b x^2+c x^4}} \, dx}{5 b^2}\\ &=\frac {1}{b x^4 \sqrt {b x^2+c x^4}}-\frac {6 \sqrt {b x^2+c x^4}}{5 b^2 x^6}+\frac {8 c \sqrt {b x^2+c x^4}}{5 b^3 x^4}+\frac {\left (16 c^2\right ) \int \frac {1}{x \sqrt {b x^2+c x^4}} \, dx}{5 b^3}\\ &=\frac {1}{b x^4 \sqrt {b x^2+c x^4}}-\frac {6 \sqrt {b x^2+c x^4}}{5 b^2 x^6}+\frac {8 c \sqrt {b x^2+c x^4}}{5 b^3 x^4}-\frac {16 c^2 \sqrt {b x^2+c x^4}}{5 b^4 x^2}\\ \end {align*}
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Mathematica [A] time = 0.01, size = 57, normalized size = 0.56 \[ \frac {-b^3+2 b^2 c x^2-8 b c^2 x^4-16 c^3 x^6}{5 b^4 x^4 \sqrt {x^2 \left (b+c x^2\right )}} \]
Antiderivative was successfully verified.
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fricas [A] time = 0.65, size = 63, normalized size = 0.62 \[ -\frac {{\left (16 \, c^{3} x^{6} + 8 \, b c^{2} x^{4} - 2 \, b^{2} c x^{2} + b^{3}\right )} \sqrt {c x^{4} + b x^{2}}}{5 \, {\left (b^{4} c x^{8} + b^{5} x^{6}\right )}} \]
Verification of antiderivative is not currently implemented for this CAS.
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giac [F] time = 0.00, size = 0, normalized size = 0.00 \[ \int \frac {1}{{\left (c x^{4} + b x^{2}\right )}^{\frac {3}{2}} x^{3}}\,{d x} \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [A] time = 0.00, size = 59, normalized size = 0.58 \[ -\frac {\left (c \,x^{2}+b \right ) \left (16 c^{3} x^{6}+8 b \,c^{2} x^{4}-2 b^{2} c \,x^{2}+b^{3}\right )}{5 \left (c \,x^{4}+b \,x^{2}\right )^{\frac {3}{2}} b^{4} x^{2}} \]
Verification of antiderivative is not currently implemented for this CAS.
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maxima [A] time = 1.51, size = 89, normalized size = 0.87 \[ -\frac {16 \, c^{3} x^{2}}{5 \, \sqrt {c x^{4} + b x^{2}} b^{4}} - \frac {8 \, c^{2}}{5 \, \sqrt {c x^{4} + b x^{2}} b^{3}} + \frac {2 \, c}{5 \, \sqrt {c x^{4} + b x^{2}} b^{2} x^{2}} - \frac {1}{5 \, \sqrt {c x^{4} + b x^{2}} b x^{4}} \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 4.31, size = 60, normalized size = 0.59 \[ -\frac {\sqrt {c\,x^4+b\,x^2}\,\left (b^3-2\,b^2\,c\,x^2+8\,b\,c^2\,x^4+16\,c^3\,x^6\right )}{5\,b^4\,x^6\,\left (c\,x^2+b\right )} \]
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 \[ \int \frac {1}{x^{3} \left (x^{2} \left (b + c x^{2}\right )\right )^{\frac {3}{2}}}\, dx \]
Verification of antiderivative is not currently implemented for this CAS.
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