Optimal. Leaf size=229 \[ \frac {\sqrt {2} B \sqrt {c} \tan ^{-1}\left (\frac {\sqrt {2} \sqrt {c} x}{\sqrt {b-\sqrt {b^2-4 a c}}}\right )}{\sqrt {b^2-4 a c} \sqrt {b-\sqrt {b^2-4 a c}}}-\frac {\sqrt {2} B \sqrt {c} \tan ^{-1}\left (\frac {\sqrt {2} \sqrt {c} x}{\sqrt {b+\sqrt {b^2-4 a c}}}\right )}{\sqrt {b^2-4 a c} \sqrt {b+\sqrt {b^2-4 a c}}}+\frac {(A b-2 a C) \tanh ^{-1}\left (\frac {b+2 c x^2}{\sqrt {b^2-4 a c}}\right )}{2 a \sqrt {b^2-4 a c}}+\frac {A \log (x)}{a}-\frac {A \log \left (a+b x^2+c x^4\right )}{4 a} \]
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Rubi [A]
time = 0.19, antiderivative size = 229, normalized size of antiderivative = 1.00, number of steps
used = 12, number of rules used = 10, integrand size = 28, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.357, Rules used = {1676, 1265,
814, 648, 632, 212, 642, 12, 1107, 211} \begin {gather*} \frac {(A b-2 a C) \tanh ^{-1}\left (\frac {b+2 c x^2}{\sqrt {b^2-4 a c}}\right )}{2 a \sqrt {b^2-4 a c}}-\frac {A \log \left (a+b x^2+c x^4\right )}{4 a}+\frac {A \log (x)}{a}+\frac {\sqrt {2} B \sqrt {c} \text {ArcTan}\left (\frac {\sqrt {2} \sqrt {c} x}{\sqrt {b-\sqrt {b^2-4 a c}}}\right )}{\sqrt {b^2-4 a c} \sqrt {b-\sqrt {b^2-4 a c}}}-\frac {\sqrt {2} B \sqrt {c} \text {ArcTan}\left (\frac {\sqrt {2} \sqrt {c} x}{\sqrt {\sqrt {b^2-4 a c}+b}}\right )}{\sqrt {b^2-4 a c} \sqrt {\sqrt {b^2-4 a c}+b}} \end {gather*}
Antiderivative was successfully verified.
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Rule 12
Rule 211
Rule 212
Rule 632
Rule 642
Rule 648
Rule 814
Rule 1107
Rule 1265
Rule 1676
Rubi steps
\begin {align*} \int \frac {A+B x+C x^2}{x \left (a+b x^2+c x^4\right )} \, dx &=\int \frac {B}{a+b x^2+c x^4} \, dx+\int \frac {A+C x^2}{x \left (a+b x^2+c x^4\right )} \, dx\\ &=\frac {1}{2} \text {Subst}\left (\int \frac {A+C x}{x \left (a+b x+c x^2\right )} \, dx,x,x^2\right )+B \int \frac {1}{a+b x^2+c x^4} \, dx\\ &=\frac {1}{2} \text {Subst}\left (\int \left (\frac {A}{a x}+\frac {-A b+a C-A c x}{a \left (a+b x+c x^2\right )}\right ) \, dx,x,x^2\right )+\frac {(B c) \int \frac {1}{\frac {b}{2}-\frac {1}{2} \sqrt {b^2-4 a c}+c x^2} \, dx}{\sqrt {b^2-4 a c}}-\frac {(B c) \int \frac {1}{\frac {b}{2}+\frac {1}{2} \sqrt {b^2-4 a c}+c x^2} \, dx}{\sqrt {b^2-4 a c}}\\ &=\frac {\sqrt {2} B \sqrt {c} \tan ^{-1}\left (\frac {\sqrt {2} \sqrt {c} x}{\sqrt {b-\sqrt {b^2-4 a c}}}\right )}{\sqrt {b^2-4 a c} \sqrt {b-\sqrt {b^2-4 a c}}}-\frac {\sqrt {2} B \sqrt {c} \tan ^{-1}\left (\frac {\sqrt {2} \sqrt {c} x}{\sqrt {b+\sqrt {b^2-4 a c}}}\right )}{\sqrt {b^2-4 a c} \sqrt {b+\sqrt {b^2-4 a c}}}+\frac {A \log (x)}{a}+\frac {\text {Subst}\left (\int \frac {-A b+a C-A c x}{a+b x+c x^2} \, dx,x,x^2\right )}{2 a}\\ &=\frac {\sqrt {2} B \sqrt {c} \tan ^{-1}\left (\frac {\sqrt {2} \sqrt {c} x}{\sqrt {b-\sqrt {b^2-4 a c}}}\right )}{\sqrt {b^2-4 a c} \sqrt {b-\sqrt {b^2-4 a c}}}-\frac {\sqrt {2} B \sqrt {c} \tan ^{-1}\left (\frac {\sqrt {2} \sqrt {c} x}{\sqrt {b+\sqrt {b^2-4 a c}}}\right )}{\sqrt {b^2-4 a c} \sqrt {b+\sqrt {b^2-4 a c}}}+\frac {A \log (x)}{a}-\frac {A \text {Subst}\left (\int \frac {b+2 c x}{a+b x+c x^2} \, dx,x,x^2\right )}{4 a}+\frac {(-A b+2 a C) \text {Subst}\left (\int \frac {1}{a+b x+c x^2} \, dx,x,x^2\right )}{4 a}\\ &=\frac {\sqrt {2} B \sqrt {c} \tan ^{-1}\left (\frac {\sqrt {2} \sqrt {c} x}{\sqrt {b-\sqrt {b^2-4 a c}}}\right )}{\sqrt {b^2-4 a c} \sqrt {b-\sqrt {b^2-4 a c}}}-\frac {\sqrt {2} B \sqrt {c} \tan ^{-1}\left (\frac {\sqrt {2} \sqrt {c} x}{\sqrt {b+\sqrt {b^2-4 a c}}}\right )}{\sqrt {b^2-4 a c} \sqrt {b+\sqrt {b^2-4 a c}}}+\frac {A \log (x)}{a}-\frac {A \log \left (a+b x^2+c x^4\right )}{4 a}-\frac {(-A b+2 a C) \text {Subst}\left (\int \frac {1}{b^2-4 a c-x^2} \, dx,x,b+2 c x^2\right )}{2 a}\\ &=\frac {\sqrt {2} B \sqrt {c} \tan ^{-1}\left (\frac {\sqrt {2} \sqrt {c} x}{\sqrt {b-\sqrt {b^2-4 a c}}}\right )}{\sqrt {b^2-4 a c} \sqrt {b-\sqrt {b^2-4 a c}}}-\frac {\sqrt {2} B \sqrt {c} \tan ^{-1}\left (\frac {\sqrt {2} \sqrt {c} x}{\sqrt {b+\sqrt {b^2-4 a c}}}\right )}{\sqrt {b^2-4 a c} \sqrt {b+\sqrt {b^2-4 a c}}}+\frac {(A b-2 a C) \tanh ^{-1}\left (\frac {b+2 c x^2}{\sqrt {b^2-4 a c}}\right )}{2 a \sqrt {b^2-4 a c}}+\frac {A \log (x)}{a}-\frac {A \log \left (a+b x^2+c x^4\right )}{4 a}\\ \end {align*}
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Mathematica [A]
time = 0.29, size = 285, normalized size = 1.24 \begin {gather*} \frac {\sqrt {2} B \sqrt {c} \tan ^{-1}\left (\frac {\sqrt {2} \sqrt {c} x}{\sqrt {b-\sqrt {b^2-4 a c}}}\right )}{\sqrt {b^2-4 a c} \sqrt {b-\sqrt {b^2-4 a c}}}-\frac {\sqrt {2} B \sqrt {c} \tan ^{-1}\left (\frac {\sqrt {2} \sqrt {c} x}{\sqrt {b+\sqrt {b^2-4 a c}}}\right )}{\sqrt {b^2-4 a c} \sqrt {b+\sqrt {b^2-4 a c}}}+\frac {A \log (x)}{a}-\frac {\left (A \left (b+\sqrt {b^2-4 a c}\right )-2 a C\right ) \log \left (-b+\sqrt {b^2-4 a c}-2 c x^2\right )}{4 a \sqrt {b^2-4 a c}}-\frac {\left (A \left (-b+\sqrt {b^2-4 a c}\right )+2 a C\right ) \log \left (b+\sqrt {b^2-4 a c}+2 c x^2\right )}{4 a \sqrt {b^2-4 a c}} \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 0.06, size = 251, normalized size = 1.10
method | result | size |
default | \(\frac {4 c \left (\frac {\sqrt {-4 a c +b^{2}}\, \left (-\frac {\left (-A \sqrt {-4 a c +b^{2}}-A b +2 a C \right ) \ln \left (-b -2 c \,x^{2}+\sqrt {-4 a c +b^{2}}\right )}{4 c}+\frac {a B \sqrt {2}\, \arctanh \left (\frac {c x \sqrt {2}}{\sqrt {\left (-b +\sqrt {-4 a c +b^{2}}\right ) c}}\right )}{\sqrt {\left (-b +\sqrt {-4 a c +b^{2}}\right ) c}}\right )}{16 a c -4 b^{2}}+\frac {\sqrt {-4 a c +b^{2}}\, \left (\frac {\left (A \sqrt {-4 a c +b^{2}}-A b +2 a C \right ) \ln \left (b +2 c \,x^{2}+\sqrt {-4 a c +b^{2}}\right )}{4 c}+\frac {a B \sqrt {2}\, \arctan \left (\frac {c x \sqrt {2}}{\sqrt {\left (b +\sqrt {-4 a c +b^{2}}\right ) c}}\right )}{\sqrt {\left (b +\sqrt {-4 a c +b^{2}}\right ) c}}\right )}{16 a c -4 b^{2}}\right )}{a}+\frac {A \ln \left (x \right )}{a}\) | \(251\) |
risch | \(\frac {A \ln \left (x \right )}{a}+\frac {\left (\munderset {\textit {\_R} =\RootOf \left (\left (16 a^{4} c^{2}-8 a^{3} b^{2} c +a^{2} b^{4}\right ) \textit {\_Z}^{4}+\left (32 A \,a^{3} c^{2}-16 A \,a^{2} b^{2} c +2 A a \,b^{4}\right ) \textit {\_Z}^{3}+\left (24 a^{2} c^{2} A^{2}-10 a \,b^{2} c \,A^{2}+b^{4} A^{2}-8 A C \,a^{2} b c +2 A C a \,b^{3}-4 B^{2} a^{2} b c +B^{2} a \,b^{3}+8 C^{2} a^{3} c -2 C^{2} a^{2} b^{2}\right ) \textit {\_Z}^{2}+\left (8 A^{3} a \,c^{2}-2 A^{3} b^{2} c -8 A^{2} C a b c +2 A^{2} C \,b^{3}+8 A \,C^{2} a^{2} c -2 A \,C^{2} a \,b^{2}-8 B^{2} C \,a^{2} c +2 B^{2} C a \,b^{2}\right ) \textit {\_Z} +A^{4} c^{2}-2 A^{3} C b c +A^{2} B^{2} b c +2 A^{2} C^{2} a c +A^{2} C^{2} b^{2}-4 A \,B^{2} C a c -2 A \,C^{3} a b +B^{4} a c +B^{2} C^{2} a b +C^{4} a^{2}\right )}{\sum }\textit {\_R} \ln \left (\left (\left (40 a^{3} c^{2}-22 a^{2} b^{2} c +3 b^{4} a \right ) \textit {\_R}^{4}+\left (60 A \,a^{2} c^{2}-27 A a \,b^{2} c +3 A \,b^{4}-4 C \,a^{2} b c +C a \,b^{3}\right ) \textit {\_R}^{3}+\left (30 A^{2} a \,c^{2}-8 A^{2} b^{2} c -14 A C a b c +4 A C \,b^{3}-7 B^{2} a b c +2 B^{2} b^{3}+18 C^{2} a^{2} c -5 C^{2} a \,b^{2}\right ) \textit {\_R}^{2}+\left (5 A^{3} c^{2}-6 A^{2} C b c -A \,B^{2} b c +13 A \,C^{2} a c -A \,C^{2} b^{2}-17 B^{2} C a c +4 B^{2} C \,b^{2}-C^{3} a b \right ) \textit {\_R} +2 A^{2} C^{2} c -6 A \,B^{2} C c -2 A \,C^{3} b +2 B^{4} c +2 B^{2} C^{2} b +2 C^{4} a \right ) x +\left (4 a^{2} b B c -B a \,b^{3}\right ) \textit {\_R}^{3}+\left (-6 A B a b c +2 A B \,b^{3}+4 B C \,a^{2} c -2 B C a \,b^{2}\right ) \textit {\_R}^{2}+\left (-4 A^{2} B b c -6 A B C a c +4 A B C \,b^{2}-a c \,B^{3}-B \,C^{2} a b \right ) \textit {\_R} -4 A^{2} B C c +2 A \,B^{3} c +2 A B \,C^{2} b \right )\right )}{2}\) | \(706\) |
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*} \text {Failed to integrate} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [F(-1)] Timed out
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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Sympy [F(-1)] Timed out
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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Giac [B] Leaf count of result is larger than twice the leaf count of optimal. 2337 vs.
\(2 (186) = 372\).
time = 6.43, size = 2337, normalized size = 10.21 \begin {gather*} \text {Too large to display} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 1.49, size = 2258, normalized size = 9.86 \begin {gather*} \left (\sum _{k=1}^4\ln \left (x\,\left (A^2\,C^2\,c^3-3\,A\,B^2\,C\,c^3-b\,A\,C^3\,c^2+B^4\,c^3+b\,B^2\,C^2\,c^2+a\,C^4\,c^2\right )-\mathrm {root}\left (128\,a^3\,b^2\,c\,z^4-256\,a^4\,c^2\,z^4-16\,a^2\,b^4\,z^4+128\,A\,a^2\,b^2\,c\,z^3-256\,A\,a^3\,c^2\,z^3-16\,A\,a\,b^4\,z^3+32\,A\,C\,a^2\,b\,c\,z^2-8\,A\,C\,a\,b^3\,z^2+16\,B^2\,a^2\,b\,c\,z^2+40\,A^2\,a\,b^2\,c\,z^2-32\,C^2\,a^3\,c\,z^2-4\,B^2\,a\,b^3\,z^2+8\,C^2\,a^2\,b^2\,z^2-96\,A^2\,a^2\,c^2\,z^2-4\,A^2\,b^4\,z^2+16\,A^2\,C\,a\,b\,c\,z+16\,B^2\,C\,a^2\,c\,z-16\,A\,C^2\,a^2\,c\,z-4\,B^2\,C\,a\,b^2\,z+4\,A\,C^2\,a\,b^2\,z+4\,A^3\,b^2\,c\,z-16\,A^3\,a\,c^2\,z-4\,A^2\,C\,b^3\,z+4\,A\,B^2\,C\,a\,c-2\,A^2\,C^2\,a\,c+2\,A^3\,C\,b\,c+2\,A\,C^3\,a\,b-B^2\,C^2\,a\,b-A^2\,B^2\,b\,c-B^4\,a\,c-A^2\,C^2\,b^2-C^4\,a^2-A^4\,c^2,z,k\right )\,\left (x\,\left (-5\,A^3\,c^4+6\,A^2\,C\,b\,c^3+A\,B^2\,b\,c^3+A\,C^2\,b^2\,c^2-13\,a\,A\,C^2\,c^3-4\,B^2\,C\,b^2\,c^2+17\,a\,B^2\,C\,c^3+a\,C^3\,b\,c^2\right )-\mathrm {root}\left (128\,a^3\,b^2\,c\,z^4-256\,a^4\,c^2\,z^4-16\,a^2\,b^4\,z^4+128\,A\,a^2\,b^2\,c\,z^3-256\,A\,a^3\,c^2\,z^3-16\,A\,a\,b^4\,z^3+32\,A\,C\,a^2\,b\,c\,z^2-8\,A\,C\,a\,b^3\,z^2+16\,B^2\,a^2\,b\,c\,z^2+40\,A^2\,a\,b^2\,c\,z^2-32\,C^2\,a^3\,c\,z^2-4\,B^2\,a\,b^3\,z^2+8\,C^2\,a^2\,b^2\,z^2-96\,A^2\,a^2\,c^2\,z^2-4\,A^2\,b^4\,z^2+16\,A^2\,C\,a\,b\,c\,z+16\,B^2\,C\,a^2\,c\,z-16\,A\,C^2\,a^2\,c\,z-4\,B^2\,C\,a\,b^2\,z+4\,A\,C^2\,a\,b^2\,z+4\,A^3\,b^2\,c\,z-16\,A^3\,a\,c^2\,z-4\,A^2\,C\,b^3\,z+4\,A\,B^2\,C\,a\,c-2\,A^2\,C^2\,a\,c+2\,A^3\,C\,b\,c+2\,A\,C^3\,a\,b-B^2\,C^2\,a\,b-A^2\,B^2\,b\,c-B^4\,a\,c-A^2\,C^2\,b^2-C^4\,a^2-A^4\,c^2,z,k\right )\,\left (x\,\left (60\,A^2\,a\,c^4-16\,A^2\,b^2\,c^3-28\,A\,C\,a\,b\,c^3+8\,A\,C\,b^3\,c^2-14\,B^2\,a\,b\,c^3+4\,B^2\,b^3\,c^2+36\,C^2\,a^2\,c^3-10\,C^2\,a\,b^2\,c^2\right )+\mathrm {root}\left (128\,a^3\,b^2\,c\,z^4-256\,a^4\,c^2\,z^4-16\,a^2\,b^4\,z^4+128\,A\,a^2\,b^2\,c\,z^3-256\,A\,a^3\,c^2\,z^3-16\,A\,a\,b^4\,z^3+32\,A\,C\,a^2\,b\,c\,z^2-8\,A\,C\,a\,b^3\,z^2+16\,B^2\,a^2\,b\,c\,z^2+40\,A^2\,a\,b^2\,c\,z^2-32\,C^2\,a^3\,c\,z^2-4\,B^2\,a\,b^3\,z^2+8\,C^2\,a^2\,b^2\,z^2-96\,A^2\,a^2\,c^2\,z^2-4\,A^2\,b^4\,z^2+16\,A^2\,C\,a\,b\,c\,z+16\,B^2\,C\,a^2\,c\,z-16\,A\,C^2\,a^2\,c\,z-4\,B^2\,C\,a\,b^2\,z+4\,A\,C^2\,a\,b^2\,z+4\,A^3\,b^2\,c\,z-16\,A^3\,a\,c^2\,z-4\,A^2\,C\,b^3\,z+4\,A\,B^2\,C\,a\,c-2\,A^2\,C^2\,a\,c+2\,A^3\,C\,b\,c+2\,A\,C^3\,a\,b-B^2\,C^2\,a\,b-A^2\,B^2\,b\,c-B^4\,a\,c-A^2\,C^2\,b^2-C^4\,a^2-A^4\,c^2,z,k\right )\,\left (x\,\left (-16\,C\,a^2\,b\,c^3+240\,A\,a^2\,c^4+4\,C\,a\,b^3\,c^2-108\,A\,a\,b^2\,c^3+12\,A\,b^4\,c^2\right )+\mathrm {root}\left (128\,a^3\,b^2\,c\,z^4-256\,a^4\,c^2\,z^4-16\,a^2\,b^4\,z^4+128\,A\,a^2\,b^2\,c\,z^3-256\,A\,a^3\,c^2\,z^3-16\,A\,a\,b^4\,z^3+32\,A\,C\,a^2\,b\,c\,z^2-8\,A\,C\,a\,b^3\,z^2+16\,B^2\,a^2\,b\,c\,z^2+40\,A^2\,a\,b^2\,c\,z^2-32\,C^2\,a^3\,c\,z^2-4\,B^2\,a\,b^3\,z^2+8\,C^2\,a^2\,b^2\,z^2-96\,A^2\,a^2\,c^2\,z^2-4\,A^2\,b^4\,z^2+16\,A^2\,C\,a\,b\,c\,z+16\,B^2\,C\,a^2\,c\,z-16\,A\,C^2\,a^2\,c\,z-4\,B^2\,C\,a\,b^2\,z+4\,A\,C^2\,a\,b^2\,z+4\,A^3\,b^2\,c\,z-16\,A^3\,a\,c^2\,z-4\,A^2\,C\,b^3\,z+4\,A\,B^2\,C\,a\,c-2\,A^2\,C^2\,a\,c+2\,A^3\,C\,b\,c+2\,A\,C^3\,a\,b-B^2\,C^2\,a\,b-A^2\,B^2\,b\,c-B^4\,a\,c-A^2\,C^2\,b^2-C^4\,a^2-A^4\,c^2,z,k\right )\,x\,\left (320\,a^3\,c^4-176\,a^2\,b^2\,c^3+24\,a\,b^4\,c^2\right )-4\,B\,a\,b^3\,c^2+16\,B\,a^2\,b\,c^3\right )+4\,A\,B\,b^3\,c^2+8\,B\,C\,a^2\,c^3-12\,A\,B\,a\,b\,c^3-4\,B\,C\,a\,b^2\,c^2\right )+B^3\,a\,c^3+4\,A^2\,B\,b\,c^3+6\,A\,B\,C\,a\,c^3-4\,A\,B\,C\,b^2\,c^2+B\,C^2\,a\,b\,c^2\right )+A\,B^3\,c^3-2\,A^2\,B\,C\,c^3+A\,B\,C^2\,b\,c^2\right )\,\mathrm {root}\left (128\,a^3\,b^2\,c\,z^4-256\,a^4\,c^2\,z^4-16\,a^2\,b^4\,z^4+128\,A\,a^2\,b^2\,c\,z^3-256\,A\,a^3\,c^2\,z^3-16\,A\,a\,b^4\,z^3+32\,A\,C\,a^2\,b\,c\,z^2-8\,A\,C\,a\,b^3\,z^2+16\,B^2\,a^2\,b\,c\,z^2+40\,A^2\,a\,b^2\,c\,z^2-32\,C^2\,a^3\,c\,z^2-4\,B^2\,a\,b^3\,z^2+8\,C^2\,a^2\,b^2\,z^2-96\,A^2\,a^2\,c^2\,z^2-4\,A^2\,b^4\,z^2+16\,A^2\,C\,a\,b\,c\,z+16\,B^2\,C\,a^2\,c\,z-16\,A\,C^2\,a^2\,c\,z-4\,B^2\,C\,a\,b^2\,z+4\,A\,C^2\,a\,b^2\,z+4\,A^3\,b^2\,c\,z-16\,A^3\,a\,c^2\,z-4\,A^2\,C\,b^3\,z+4\,A\,B^2\,C\,a\,c-2\,A^2\,C^2\,a\,c+2\,A^3\,C\,b\,c+2\,A\,C^3\,a\,b-B^2\,C^2\,a\,b-A^2\,B^2\,b\,c-B^4\,a\,c-A^2\,C^2\,b^2-C^4\,a^2-A^4\,c^2,z,k\right )\right )+\frac {A\,\ln \left (x\right )}{a} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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