Optimal. Leaf size=219 \[ -\frac {3 x \left (4 a c+b^2\right ) \sqrt {a+b x+c x^2} \tanh ^{-1}\left (\frac {2 a+b x}{2 \sqrt {a} \sqrt {a+b x+c x^2}}\right )}{8 \sqrt {a} \sqrt {a x^2+b x^3+c x^4}}-\frac {3 (b-2 c x) \sqrt {a x^2+b x^3+c x^4}}{4 x^2}+\frac {3 b \sqrt {c} x \sqrt {a+b x+c x^2} \tanh ^{-1}\left (\frac {b+2 c x}{2 \sqrt {c} \sqrt {a+b x+c x^2}}\right )}{2 \sqrt {a x^2+b x^3+c x^4}}-\frac {\left (a x^2+b x^3+c x^4\right )^{3/2}}{2 x^5} \]
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Rubi [A] time = 0.24, antiderivative size = 219, normalized size of antiderivative = 1.00, number of steps used = 8, number of rules used = 7, integrand size = 24, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.292, Rules used = {1920, 1941, 1933, 843, 621, 206, 724} \begin {gather*} -\frac {3 x \left (4 a c+b^2\right ) \sqrt {a+b x+c x^2} \tanh ^{-1}\left (\frac {2 a+b x}{2 \sqrt {a} \sqrt {a+b x+c x^2}}\right )}{8 \sqrt {a} \sqrt {a x^2+b x^3+c x^4}}-\frac {\left (a x^2+b x^3+c x^4\right )^{3/2}}{2 x^5}-\frac {3 (b-2 c x) \sqrt {a x^2+b x^3+c x^4}}{4 x^2}+\frac {3 b \sqrt {c} x \sqrt {a+b x+c x^2} \tanh ^{-1}\left (\frac {b+2 c x}{2 \sqrt {c} \sqrt {a+b x+c x^2}}\right )}{2 \sqrt {a x^2+b x^3+c x^4}} \end {gather*}
Antiderivative was successfully verified.
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Rule 206
Rule 621
Rule 724
Rule 843
Rule 1920
Rule 1933
Rule 1941
Rubi steps
\begin {align*} \int \frac {\left (a x^2+b x^3+c x^4\right )^{3/2}}{x^6} \, dx &=-\frac {\left (a x^2+b x^3+c x^4\right )^{3/2}}{2 x^5}+\frac {3}{4} \int \frac {(b+2 c x) \sqrt {a x^2+b x^3+c x^4}}{x^3} \, dx\\ &=-\frac {3 (b-2 c x) \sqrt {a x^2+b x^3+c x^4}}{4 x^2}-\frac {\left (a x^2+b x^3+c x^4\right )^{3/2}}{2 x^5}-\frac {3}{8} \int \frac {-b^2-4 a c-4 b c x}{\sqrt {a x^2+b x^3+c x^4}} \, dx\\ &=-\frac {3 (b-2 c x) \sqrt {a x^2+b x^3+c x^4}}{4 x^2}-\frac {\left (a x^2+b x^3+c x^4\right )^{3/2}}{2 x^5}-\frac {\left (3 x \sqrt {a+b x+c x^2}\right ) \int \frac {-b^2-4 a c-4 b c x}{x \sqrt {a+b x+c x^2}} \, dx}{8 \sqrt {a x^2+b x^3+c x^4}}\\ &=-\frac {3 (b-2 c x) \sqrt {a x^2+b x^3+c x^4}}{4 x^2}-\frac {\left (a x^2+b x^3+c x^4\right )^{3/2}}{2 x^5}+\frac {\left (3 b c x \sqrt {a+b x+c x^2}\right ) \int \frac {1}{\sqrt {a+b x+c x^2}} \, dx}{2 \sqrt {a x^2+b x^3+c x^4}}-\frac {\left (3 \left (-b^2-4 a c\right ) x \sqrt {a+b x+c x^2}\right ) \int \frac {1}{x \sqrt {a+b x+c x^2}} \, dx}{8 \sqrt {a x^2+b x^3+c x^4}}\\ &=-\frac {3 (b-2 c x) \sqrt {a x^2+b x^3+c x^4}}{4 x^2}-\frac {\left (a x^2+b x^3+c x^4\right )^{3/2}}{2 x^5}+\frac {\left (3 b c x \sqrt {a+b x+c x^2}\right ) \operatorname {Subst}\left (\int \frac {1}{4 c-x^2} \, dx,x,\frac {b+2 c x}{\sqrt {a+b x+c x^2}}\right )}{\sqrt {a x^2+b x^3+c x^4}}+\frac {\left (3 \left (-b^2-4 a c\right ) x \sqrt {a+b x+c x^2}\right ) \operatorname {Subst}\left (\int \frac {1}{4 a-x^2} \, dx,x,\frac {2 a+b x}{\sqrt {a+b x+c x^2}}\right )}{4 \sqrt {a x^2+b x^3+c x^4}}\\ &=-\frac {3 (b-2 c x) \sqrt {a x^2+b x^3+c x^4}}{4 x^2}-\frac {\left (a x^2+b x^3+c x^4\right )^{3/2}}{2 x^5}-\frac {3 \left (b^2+4 a c\right ) x \sqrt {a+b x+c x^2} \tanh ^{-1}\left (\frac {2 a+b x}{2 \sqrt {a} \sqrt {a+b x+c x^2}}\right )}{8 \sqrt {a} \sqrt {a x^2+b x^3+c x^4}}+\frac {3 b \sqrt {c} x \sqrt {a+b x+c x^2} \tanh ^{-1}\left (\frac {b+2 c x}{2 \sqrt {c} \sqrt {a+b x+c x^2}}\right )}{2 \sqrt {a x^2+b x^3+c x^4}}\\ \end {align*}
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Mathematica [A] time = 0.19, size = 162, normalized size = 0.74 \begin {gather*} -\frac {\sqrt {x^2 (a+x (b+c x))} \left (3 x^2 \left (4 a c+b^2\right ) \tanh ^{-1}\left (\frac {2 a+b x}{2 \sqrt {a} \sqrt {a+x (b+c x)}}\right )+2 \sqrt {a} \left ((2 a+x (5 b-4 c x)) \sqrt {a+x (b+c x)}-6 b \sqrt {c} x^2 \tanh ^{-1}\left (\frac {b+2 c x}{2 \sqrt {c} \sqrt {a+x (b+c x)}}\right )\right )\right )}{8 \sqrt {a} x^3 \sqrt {a+x (b+c x)}} \end {gather*}
Antiderivative was successfully verified.
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IntegrateAlgebraic [A] time = 2.05, size = 167, normalized size = 0.76 \begin {gather*} \frac {3 \left (4 a c+b^2\right ) \log \left (2 \sqrt {a} \sqrt {a x^2+b x^3+c x^4}-2 a x-b x^2\right )}{8 \sqrt {a}}-\frac {3 \log (x) \left (4 a c+b^2\right )}{4 \sqrt {a}}+\frac {\sqrt {a x^2+b x^3+c x^4} \left (-2 a-5 b x+4 c x^2\right )}{4 x^3}-3 b \sqrt {c} \tanh ^{-1}\left (\frac {\sqrt {c} x^2}{\sqrt {a} x-\sqrt {a x^2+b x^3+c x^4}}\right ) \end {gather*}
Antiderivative was successfully verified.
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fricas [A] time = 1.59, size = 757, normalized size = 3.46 \begin {gather*} \left [\frac {12 \, a b \sqrt {c} x^{3} \log \left (-\frac {8 \, c^{2} x^{3} + 8 \, b c x^{2} + 4 \, \sqrt {c x^{4} + b x^{3} + a x^{2}} {\left (2 \, c x + b\right )} \sqrt {c} + {\left (b^{2} + 4 \, a c\right )} x}{x}\right ) + 3 \, {\left (b^{2} + 4 \, a c\right )} \sqrt {a} x^{3} \log \left (-\frac {8 \, a b x^{2} + {\left (b^{2} + 4 \, a c\right )} x^{3} + 8 \, a^{2} x - 4 \, \sqrt {c x^{4} + b x^{3} + a x^{2}} {\left (b x + 2 \, a\right )} \sqrt {a}}{x^{3}}\right ) + 4 \, \sqrt {c x^{4} + b x^{3} + a x^{2}} {\left (4 \, a c x^{2} - 5 \, a b x - 2 \, a^{2}\right )}}{16 \, a x^{3}}, -\frac {24 \, a b \sqrt {-c} x^{3} \arctan \left (\frac {\sqrt {c x^{4} + b x^{3} + a x^{2}} {\left (2 \, c x + b\right )} \sqrt {-c}}{2 \, {\left (c^{2} x^{3} + b c x^{2} + a c x\right )}}\right ) - 3 \, {\left (b^{2} + 4 \, a c\right )} \sqrt {a} x^{3} \log \left (-\frac {8 \, a b x^{2} + {\left (b^{2} + 4 \, a c\right )} x^{3} + 8 \, a^{2} x - 4 \, \sqrt {c x^{4} + b x^{3} + a x^{2}} {\left (b x + 2 \, a\right )} \sqrt {a}}{x^{3}}\right ) - 4 \, \sqrt {c x^{4} + b x^{3} + a x^{2}} {\left (4 \, a c x^{2} - 5 \, a b x - 2 \, a^{2}\right )}}{16 \, a x^{3}}, \frac {6 \, a b \sqrt {c} x^{3} \log \left (-\frac {8 \, c^{2} x^{3} + 8 \, b c x^{2} + 4 \, \sqrt {c x^{4} + b x^{3} + a x^{2}} {\left (2 \, c x + b\right )} \sqrt {c} + {\left (b^{2} + 4 \, a c\right )} x}{x}\right ) + 3 \, {\left (b^{2} + 4 \, a c\right )} \sqrt {-a} x^{3} \arctan \left (\frac {\sqrt {c x^{4} + b x^{3} + a x^{2}} {\left (b x + 2 \, a\right )} \sqrt {-a}}{2 \, {\left (a c x^{3} + a b x^{2} + a^{2} x\right )}}\right ) + 2 \, \sqrt {c x^{4} + b x^{3} + a x^{2}} {\left (4 \, a c x^{2} - 5 \, a b x - 2 \, a^{2}\right )}}{8 \, a x^{3}}, -\frac {12 \, a b \sqrt {-c} x^{3} \arctan \left (\frac {\sqrt {c x^{4} + b x^{3} + a x^{2}} {\left (2 \, c x + b\right )} \sqrt {-c}}{2 \, {\left (c^{2} x^{3} + b c x^{2} + a c x\right )}}\right ) - 3 \, {\left (b^{2} + 4 \, a c\right )} \sqrt {-a} x^{3} \arctan \left (\frac {\sqrt {c x^{4} + b x^{3} + a x^{2}} {\left (b x + 2 \, a\right )} \sqrt {-a}}{2 \, {\left (a c x^{3} + a b x^{2} + a^{2} x\right )}}\right ) - 2 \, \sqrt {c x^{4} + b x^{3} + a x^{2}} {\left (4 \, a c x^{2} - 5 \, a b x - 2 \, a^{2}\right )}}{8 \, a x^{3}}\right ] \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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giac [F(-1)] time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {Timed out} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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maple [A] time = 0.01, size = 338, normalized size = 1.54 \begin {gather*} -\frac {\left (c \,x^{4}+b \,x^{3}+a \,x^{2}\right )^{\frac {3}{2}} \left (12 a^{\frac {5}{2}} c^{\frac {5}{2}} x^{2} \ln \left (\frac {b x +2 a +2 \sqrt {c \,x^{2}+b x +a}\, \sqrt {a}}{x}\right )-12 a^{2} b \,c^{2} x^{2} \ln \left (\frac {2 c x +b +2 \sqrt {c \,x^{2}+b x +a}\, \sqrt {c}}{2 \sqrt {c}}\right )+3 a^{\frac {3}{2}} b^{2} c^{\frac {3}{2}} x^{2} \ln \left (\frac {b x +2 a +2 \sqrt {c \,x^{2}+b x +a}\, \sqrt {a}}{x}\right )-6 \sqrt {c \,x^{2}+b x +a}\, a b \,c^{\frac {5}{2}} x^{3}-12 \sqrt {c \,x^{2}+b x +a}\, a^{2} c^{\frac {5}{2}} x^{2}-6 \sqrt {c \,x^{2}+b x +a}\, a \,b^{2} c^{\frac {3}{2}} x^{2}-2 \left (c \,x^{2}+b x +a \right )^{\frac {3}{2}} b \,c^{\frac {5}{2}} x^{3}-4 \left (c \,x^{2}+b x +a \right )^{\frac {3}{2}} a \,c^{\frac {5}{2}} x^{2}-2 \left (c \,x^{2}+b x +a \right )^{\frac {3}{2}} b^{2} c^{\frac {3}{2}} x^{2}+2 \left (c \,x^{2}+b x +a \right )^{\frac {5}{2}} b \,c^{\frac {3}{2}} x +4 \left (c \,x^{2}+b x +a \right )^{\frac {5}{2}} a \,c^{\frac {3}{2}}\right )}{8 \left (c \,x^{2}+b x +a \right )^{\frac {3}{2}} a^{2} c^{\frac {3}{2}} x^{5}} \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 {{\left (c x^{4} + b x^{3} + a x^{2}\right )}^{\frac {3}{2}}}{x^{6}}\,{d x} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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mupad [F] time = 0.00, size = -1, normalized size = -0.00 \begin {gather*} \int \frac {{\left (c\,x^4+b\,x^3+a\,x^2\right )}^{3/2}}{x^6} \,d x \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 {\left (x^{2} \left (a + b x + c x^{2}\right )\right )^{\frac {3}{2}}}{x^{6}}\, dx \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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