Optimal. Leaf size=109 \[ -\frac {15 c^2 \tanh ^{-1}\left (\frac {\sqrt {b} x}{\sqrt {b x^2+c x^4}}\right )}{8 b^{7/2}}+\frac {15 c \sqrt {b x^2+c x^4}}{8 b^3 x^3}-\frac {5 \sqrt {b x^2+c x^4}}{4 b^2 x^5}+\frac {1}{b x^3 \sqrt {b x^2+c x^4}} \]
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Rubi [A] time = 0.15, antiderivative size = 109, normalized size of antiderivative = 1.00, number of steps used = 5, number of rules used = 4, integrand size = 19, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.210, Rules used = {2023, 2025, 2008, 206} \begin {gather*} -\frac {15 c^2 \tanh ^{-1}\left (\frac {\sqrt {b} x}{\sqrt {b x^2+c x^4}}\right )}{8 b^{7/2}}+\frac {15 c \sqrt {b x^2+c x^4}}{8 b^3 x^3}-\frac {5 \sqrt {b x^2+c x^4}}{4 b^2 x^5}+\frac {1}{b x^3 \sqrt {b x^2+c x^4}} \end {gather*}
Antiderivative was successfully verified.
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Rule 206
Rule 2008
Rule 2023
Rule 2025
Rubi steps
\begin {align*} \int \frac {1}{x^2 \left (b x^2+c x^4\right )^{3/2}} \, dx &=\frac {1}{b x^3 \sqrt {b x^2+c x^4}}+\frac {5 \int \frac {1}{x^4 \sqrt {b x^2+c x^4}} \, dx}{b}\\ &=\frac {1}{b x^3 \sqrt {b x^2+c x^4}}-\frac {5 \sqrt {b x^2+c x^4}}{4 b^2 x^5}-\frac {(15 c) \int \frac {1}{x^2 \sqrt {b x^2+c x^4}} \, dx}{4 b^2}\\ &=\frac {1}{b x^3 \sqrt {b x^2+c x^4}}-\frac {5 \sqrt {b x^2+c x^4}}{4 b^2 x^5}+\frac {15 c \sqrt {b x^2+c x^4}}{8 b^3 x^3}+\frac {\left (15 c^2\right ) \int \frac {1}{\sqrt {b x^2+c x^4}} \, dx}{8 b^3}\\ &=\frac {1}{b x^3 \sqrt {b x^2+c x^4}}-\frac {5 \sqrt {b x^2+c x^4}}{4 b^2 x^5}+\frac {15 c \sqrt {b x^2+c x^4}}{8 b^3 x^3}-\frac {\left (15 c^2\right ) \operatorname {Subst}\left (\int \frac {1}{1-b x^2} \, dx,x,\frac {x}{\sqrt {b x^2+c x^4}}\right )}{8 b^3}\\ &=\frac {1}{b x^3 \sqrt {b x^2+c x^4}}-\frac {5 \sqrt {b x^2+c x^4}}{4 b^2 x^5}+\frac {15 c \sqrt {b x^2+c x^4}}{8 b^3 x^3}-\frac {15 c^2 \tanh ^{-1}\left (\frac {\sqrt {b} x}{\sqrt {b x^2+c x^4}}\right )}{8 b^{7/2}}\\ \end {align*}
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Mathematica [C] time = 0.01, size = 41, normalized size = 0.38 \begin {gather*} \frac {c^2 x \, _2F_1\left (-\frac {1}{2},3;\frac {1}{2};\frac {c x^2}{b}+1\right )}{b^3 \sqrt {x^2 \left (b+c x^2\right )}} \end {gather*}
Antiderivative was successfully verified.
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IntegrateAlgebraic [A] time = 0.59, size = 91, normalized size = 0.83 \begin {gather*} \frac {\sqrt {b x^2+c x^4} \left (-2 b^2+5 b c x^2+15 c^2 x^4\right )}{8 b^3 x^5 \left (b+c x^2\right )}-\frac {15 c^2 \tanh ^{-1}\left (\frac {\sqrt {b} x}{\sqrt {b x^2+c x^4}}\right )}{8 b^{7/2}} \end {gather*}
Antiderivative was successfully verified.
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fricas [A] time = 0.61, size = 229, normalized size = 2.10 \begin {gather*} \left [\frac {15 \, {\left (c^{3} x^{7} + b c^{2} x^{5}\right )} \sqrt {b} \log \left (-\frac {c x^{3} + 2 \, b x - 2 \, \sqrt {c x^{4} + b x^{2}} \sqrt {b}}{x^{3}}\right ) + 2 \, {\left (15 \, b c^{2} x^{4} + 5 \, b^{2} c x^{2} - 2 \, b^{3}\right )} \sqrt {c x^{4} + b x^{2}}}{16 \, {\left (b^{4} c x^{7} + b^{5} x^{5}\right )}}, \frac {15 \, {\left (c^{3} x^{7} + b c^{2} x^{5}\right )} \sqrt {-b} \arctan \left (\frac {\sqrt {c x^{4} + b x^{2}} \sqrt {-b}}{c x^{3} + b x}\right ) + {\left (15 \, b c^{2} x^{4} + 5 \, b^{2} c x^{2} - 2 \, b^{3}\right )} \sqrt {c x^{4} + b x^{2}}}{8 \, {\left (b^{4} c x^{7} + b^{5} x^{5}\right )}}\right ] \end {gather*}
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 \begin {gather*} \int \frac {1}{{\left (c x^{4} + b x^{2}\right )}^{\frac {3}{2}} x^{2}}\,{d x} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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maple [A] time = 0.01, size = 94, normalized size = 0.86 \begin {gather*} -\frac {\left (c \,x^{2}+b \right ) \left (15 \sqrt {c \,x^{2}+b}\, b \,c^{2} x^{4} \ln \left (\frac {2 b +2 \sqrt {c \,x^{2}+b}\, \sqrt {b}}{x}\right )-15 b^{\frac {3}{2}} c^{2} x^{4}-5 b^{\frac {5}{2}} c \,x^{2}+2 b^{\frac {7}{2}}\right )}{8 \left (c \,x^{4}+b \,x^{2}\right )^{\frac {3}{2}} b^{\frac {9}{2}} x} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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maxima [F] time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \int \frac {1}{{\left (c x^{4} + b x^{2}\right )}^{\frac {3}{2}} x^{2}}\,{d x} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 4.64, size = 44, normalized size = 0.40 \begin {gather*} -\frac {{\left (\frac {b}{c\,x^2}+1\right )}^{3/2}\,{{}}_2{\mathrm {F}}_1\left (\frac {3}{2},\frac {7}{2};\ \frac {9}{2};\ -\frac {b}{c\,x^2}\right )}{7\,x\,{\left (c\,x^4+b\,x^2\right )}^{3/2}} \end {gather*}
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 \begin {gather*} \int \frac {1}{x^{2} \left (x^{2} \left (b + c x^{2}\right )\right )^{\frac {3}{2}}}\, dx \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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