Optimal. Leaf size=395 \[ -\frac {2 \left (2 b^2-5 a c\right ) x \sqrt {a+b x^2+c x^4}}{105 c^2}+\frac {b \left (8 b^2-29 a c\right ) x \sqrt {a+b x^2+c x^4}}{105 c^{5/2} \left (\sqrt {a}+\sqrt {c} x^2\right )}+\frac {x^3 \left (b+5 c x^2\right ) \sqrt {a+b x^2+c x^4}}{35 c}-\frac {\sqrt [4]{a} b \left (8 b^2-29 a c\right ) \left (\sqrt {a}+\sqrt {c} x^2\right ) \sqrt {\frac {a+b x^2+c x^4}{\left (\sqrt {a}+\sqrt {c} x^2\right )^2}} E\left (2 \tan ^{-1}\left (\frac {\sqrt [4]{c} x}{\sqrt [4]{a}}\right )|\frac {1}{4} \left (2-\frac {b}{\sqrt {a} \sqrt {c}}\right )\right )}{105 c^{11/4} \sqrt {a+b x^2+c x^4}}+\frac {\sqrt [4]{a} \left (8 b^3-29 a b c+2 \sqrt {a} \sqrt {c} \left (2 b^2-5 a c\right )\right ) \left (\sqrt {a}+\sqrt {c} x^2\right ) \sqrt {\frac {a+b x^2+c x^4}{\left (\sqrt {a}+\sqrt {c} x^2\right )^2}} F\left (2 \tan ^{-1}\left (\frac {\sqrt [4]{c} x}{\sqrt [4]{a}}\right )|\frac {1}{4} \left (2-\frac {b}{\sqrt {a} \sqrt {c}}\right )\right )}{210 c^{11/4} \sqrt {a+b x^2+c x^4}} \]
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Rubi [A]
time = 0.17, antiderivative size = 395, normalized size of antiderivative = 1.00, number of steps
used = 5, number of rules used = 5, integrand size = 20, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.250, Rules used = {1130, 1293,
1211, 1117, 1209} \begin {gather*} -\frac {\sqrt [4]{a} b \left (8 b^2-29 a c\right ) \left (\sqrt {a}+\sqrt {c} x^2\right ) \sqrt {\frac {a+b x^2+c x^4}{\left (\sqrt {a}+\sqrt {c} x^2\right )^2}} E\left (2 \text {ArcTan}\left (\frac {\sqrt [4]{c} x}{\sqrt [4]{a}}\right )|\frac {1}{4} \left (2-\frac {b}{\sqrt {a} \sqrt {c}}\right )\right )}{105 c^{11/4} \sqrt {a+b x^2+c x^4}}+\frac {\sqrt [4]{a} \left (2 \sqrt {a} \sqrt {c} \left (2 b^2-5 a c\right )-29 a b c+8 b^3\right ) \left (\sqrt {a}+\sqrt {c} x^2\right ) \sqrt {\frac {a+b x^2+c x^4}{\left (\sqrt {a}+\sqrt {c} x^2\right )^2}} F\left (2 \text {ArcTan}\left (\frac {\sqrt [4]{c} x}{\sqrt [4]{a}}\right )|\frac {1}{4} \left (2-\frac {b}{\sqrt {a} \sqrt {c}}\right )\right )}{210 c^{11/4} \sqrt {a+b x^2+c x^4}}+\frac {b x \left (8 b^2-29 a c\right ) \sqrt {a+b x^2+c x^4}}{105 c^{5/2} \left (\sqrt {a}+\sqrt {c} x^2\right )}-\frac {2 x \left (2 b^2-5 a c\right ) \sqrt {a+b x^2+c x^4}}{105 c^2}+\frac {x^3 \left (b+5 c x^2\right ) \sqrt {a+b x^2+c x^4}}{35 c} \end {gather*}
Antiderivative was successfully verified.
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Rule 1117
Rule 1130
Rule 1209
Rule 1211
Rule 1293
Rubi steps
\begin {align*} \int x^4 \sqrt {a+b x^2+c x^4} \, dx &=\frac {x^3 \left (b+5 c x^2\right ) \sqrt {a+b x^2+c x^4}}{35 c}-\frac {\int \frac {x^2 \left (3 a b+2 \left (2 b^2-5 a c\right ) x^2\right )}{\sqrt {a+b x^2+c x^4}} \, dx}{35 c}\\ &=-\frac {2 \left (2 b^2-5 a c\right ) x \sqrt {a+b x^2+c x^4}}{105 c^2}+\frac {x^3 \left (b+5 c x^2\right ) \sqrt {a+b x^2+c x^4}}{35 c}+\frac {\int \frac {2 a \left (2 b^2-5 a c\right )+b \left (8 b^2-29 a c\right ) x^2}{\sqrt {a+b x^2+c x^4}} \, dx}{105 c^2}\\ &=-\frac {2 \left (2 b^2-5 a c\right ) x \sqrt {a+b x^2+c x^4}}{105 c^2}+\frac {x^3 \left (b+5 c x^2\right ) \sqrt {a+b x^2+c x^4}}{35 c}-\frac {\left (\sqrt {a} b \left (8 b^2-29 a c\right )\right ) \int \frac {1-\frac {\sqrt {c} x^2}{\sqrt {a}}}{\sqrt {a+b x^2+c x^4}} \, dx}{105 c^{5/2}}+\frac {\left (\sqrt {a} \left (b \left (8 b^2-29 a c\right )+2 \sqrt {a} \sqrt {c} \left (2 b^2-5 a c\right )\right )\right ) \int \frac {1}{\sqrt {a+b x^2+c x^4}} \, dx}{105 c^{5/2}}\\ &=-\frac {2 \left (2 b^2-5 a c\right ) x \sqrt {a+b x^2+c x^4}}{105 c^2}+\frac {b \left (8 b^2-29 a c\right ) x \sqrt {a+b x^2+c x^4}}{105 c^{5/2} \left (\sqrt {a}+\sqrt {c} x^2\right )}+\frac {x^3 \left (b+5 c x^2\right ) \sqrt {a+b x^2+c x^4}}{35 c}-\frac {\sqrt [4]{a} b \left (8 b^2-29 a c\right ) \left (\sqrt {a}+\sqrt {c} x^2\right ) \sqrt {\frac {a+b x^2+c x^4}{\left (\sqrt {a}+\sqrt {c} x^2\right )^2}} E\left (2 \tan ^{-1}\left (\frac {\sqrt [4]{c} x}{\sqrt [4]{a}}\right )|\frac {1}{4} \left (2-\frac {b}{\sqrt {a} \sqrt {c}}\right )\right )}{105 c^{11/4} \sqrt {a+b x^2+c x^4}}+\frac {\sqrt [4]{a} \left (8 b^3-29 a b c+2 \sqrt {a} \sqrt {c} \left (2 b^2-5 a c\right )\right ) \left (\sqrt {a}+\sqrt {c} x^2\right ) \sqrt {\frac {a+b x^2+c x^4}{\left (\sqrt {a}+\sqrt {c} x^2\right )^2}} F\left (2 \tan ^{-1}\left (\frac {\sqrt [4]{c} x}{\sqrt [4]{a}}\right )|\frac {1}{4} \left (2-\frac {b}{\sqrt {a} \sqrt {c}}\right )\right )}{210 c^{11/4} \sqrt {a+b x^2+c x^4}}\\ \end {align*}
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Mathematica [C] Result contains complex when optimal does not.
time = 8.17, size = 538, normalized size = 1.36 \begin {gather*} \frac {4 c \sqrt {\frac {c}{b+\sqrt {b^2-4 a c}}} x \left (10 a^2 c-4 b^3 x^2-b^2 c x^4+18 b c^2 x^6+15 c^3 x^8+a \left (-4 b^2+13 b c x^2+25 c^2 x^4\right )\right )+i b \left (8 b^2-29 a c\right ) \left (-b+\sqrt {b^2-4 a c}\right ) \sqrt {\frac {b+\sqrt {b^2-4 a c}+2 c x^2}{b+\sqrt {b^2-4 a c}}} \sqrt {\frac {2 b-2 \sqrt {b^2-4 a c}+4 c x^2}{b-\sqrt {b^2-4 a c}}} E\left (i \sinh ^{-1}\left (\sqrt {2} \sqrt {\frac {c}{b+\sqrt {b^2-4 a c}}} x\right )|\frac {b+\sqrt {b^2-4 a c}}{b-\sqrt {b^2-4 a c}}\right )-i \left (-8 b^4+37 a b^2 c-20 a^2 c^2+8 b^3 \sqrt {b^2-4 a c}-29 a b c \sqrt {b^2-4 a c}\right ) \sqrt {\frac {b+\sqrt {b^2-4 a c}+2 c x^2}{b+\sqrt {b^2-4 a c}}} \sqrt {\frac {2 b-2 \sqrt {b^2-4 a c}+4 c x^2}{b-\sqrt {b^2-4 a c}}} F\left (i \sinh ^{-1}\left (\sqrt {2} \sqrt {\frac {c}{b+\sqrt {b^2-4 a c}}} x\right )|\frac {b+\sqrt {b^2-4 a c}}{b-\sqrt {b^2-4 a c}}\right )}{420 c^3 \sqrt {\frac {c}{b+\sqrt {b^2-4 a c}}} \sqrt {a+b x^2+c x^4}} \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 0.05, size = 476, normalized size = 1.21
method | result | size |
default | \(\frac {x^{5} \sqrt {c \,x^{4}+b \,x^{2}+a}}{7}+\frac {b \,x^{3} \sqrt {c \,x^{4}+b \,x^{2}+a}}{35 c}+\frac {\left (\frac {2 a}{7}-\frac {4 b^{2}}{35 c}\right ) x \sqrt {c \,x^{4}+b \,x^{2}+a}}{3 c}-\frac {\left (\frac {2 a}{7}-\frac {4 b^{2}}{35 c}\right ) a \sqrt {2}\, \sqrt {4-\frac {2 \left (-b +\sqrt {-4 a c +b^{2}}\right ) x^{2}}{a}}\, \sqrt {4+\frac {2 \left (b +\sqrt {-4 a c +b^{2}}\right ) x^{2}}{a}}\, \EllipticF \left (\frac {x \sqrt {2}\, \sqrt {\frac {-b +\sqrt {-4 a c +b^{2}}}{a}}}{2}, \frac {\sqrt {-4+\frac {2 b \left (b +\sqrt {-4 a c +b^{2}}\right )}{a c}}}{2}\right )}{12 c \sqrt {\frac {-b +\sqrt {-4 a c +b^{2}}}{a}}\, \sqrt {c \,x^{4}+b \,x^{2}+a}}-\frac {\left (-\frac {3 b a}{35 c}-\frac {2 \left (\frac {2 a}{7}-\frac {4 b^{2}}{35 c}\right ) b}{3 c}\right ) a \sqrt {2}\, \sqrt {4-\frac {2 \left (-b +\sqrt {-4 a c +b^{2}}\right ) x^{2}}{a}}\, \sqrt {4+\frac {2 \left (b +\sqrt {-4 a c +b^{2}}\right ) x^{2}}{a}}\, \left (\EllipticF \left (\frac {x \sqrt {2}\, \sqrt {\frac {-b +\sqrt {-4 a c +b^{2}}}{a}}}{2}, \frac {\sqrt {-4+\frac {2 b \left (b +\sqrt {-4 a c +b^{2}}\right )}{a c}}}{2}\right )-\EllipticE \left (\frac {x \sqrt {2}\, \sqrt {\frac {-b +\sqrt {-4 a c +b^{2}}}{a}}}{2}, \frac {\sqrt {-4+\frac {2 b \left (b +\sqrt {-4 a c +b^{2}}\right )}{a c}}}{2}\right )\right )}{2 \sqrt {\frac {-b +\sqrt {-4 a c +b^{2}}}{a}}\, \sqrt {c \,x^{4}+b \,x^{2}+a}\, \left (b +\sqrt {-4 a c +b^{2}}\right )}\) | \(476\) |
elliptic | \(\frac {x^{5} \sqrt {c \,x^{4}+b \,x^{2}+a}}{7}+\frac {b \,x^{3} \sqrt {c \,x^{4}+b \,x^{2}+a}}{35 c}+\frac {\left (\frac {2 a}{7}-\frac {4 b^{2}}{35 c}\right ) x \sqrt {c \,x^{4}+b \,x^{2}+a}}{3 c}-\frac {\left (\frac {2 a}{7}-\frac {4 b^{2}}{35 c}\right ) a \sqrt {2}\, \sqrt {4-\frac {2 \left (-b +\sqrt {-4 a c +b^{2}}\right ) x^{2}}{a}}\, \sqrt {4+\frac {2 \left (b +\sqrt {-4 a c +b^{2}}\right ) x^{2}}{a}}\, \EllipticF \left (\frac {x \sqrt {2}\, \sqrt {\frac {-b +\sqrt {-4 a c +b^{2}}}{a}}}{2}, \frac {\sqrt {-4+\frac {2 b \left (b +\sqrt {-4 a c +b^{2}}\right )}{a c}}}{2}\right )}{12 c \sqrt {\frac {-b +\sqrt {-4 a c +b^{2}}}{a}}\, \sqrt {c \,x^{4}+b \,x^{2}+a}}-\frac {\left (-\frac {3 b a}{35 c}-\frac {2 \left (\frac {2 a}{7}-\frac {4 b^{2}}{35 c}\right ) b}{3 c}\right ) a \sqrt {2}\, \sqrt {4-\frac {2 \left (-b +\sqrt {-4 a c +b^{2}}\right ) x^{2}}{a}}\, \sqrt {4+\frac {2 \left (b +\sqrt {-4 a c +b^{2}}\right ) x^{2}}{a}}\, \left (\EllipticF \left (\frac {x \sqrt {2}\, \sqrt {\frac {-b +\sqrt {-4 a c +b^{2}}}{a}}}{2}, \frac {\sqrt {-4+\frac {2 b \left (b +\sqrt {-4 a c +b^{2}}\right )}{a c}}}{2}\right )-\EllipticE \left (\frac {x \sqrt {2}\, \sqrt {\frac {-b +\sqrt {-4 a c +b^{2}}}{a}}}{2}, \frac {\sqrt {-4+\frac {2 b \left (b +\sqrt {-4 a c +b^{2}}\right )}{a c}}}{2}\right )\right )}{2 \sqrt {\frac {-b +\sqrt {-4 a c +b^{2}}}{a}}\, \sqrt {c \,x^{4}+b \,x^{2}+a}\, \left (b +\sqrt {-4 a c +b^{2}}\right )}\) | \(476\) |
risch | \(\frac {x \left (15 c^{2} x^{4}+3 b c \,x^{2}+10 a c -4 b^{2}\right ) \sqrt {c \,x^{4}+b \,x^{2}+a}}{105 c^{2}}-\frac {-\frac {\left (29 a b c -8 b^{3}\right ) a \sqrt {2}\, \sqrt {4-\frac {2 \left (-b +\sqrt {-4 a c +b^{2}}\right ) x^{2}}{a}}\, \sqrt {4+\frac {2 \left (b +\sqrt {-4 a c +b^{2}}\right ) x^{2}}{a}}\, \left (\EllipticF \left (\frac {x \sqrt {2}\, \sqrt {\frac {-b +\sqrt {-4 a c +b^{2}}}{a}}}{2}, \frac {\sqrt {-4+\frac {2 b \left (b +\sqrt {-4 a c +b^{2}}\right )}{a c}}}{2}\right )-\EllipticE \left (\frac {x \sqrt {2}\, \sqrt {\frac {-b +\sqrt {-4 a c +b^{2}}}{a}}}{2}, \frac {\sqrt {-4+\frac {2 b \left (b +\sqrt {-4 a c +b^{2}}\right )}{a c}}}{2}\right )\right )}{2 \sqrt {\frac {-b +\sqrt {-4 a c +b^{2}}}{a}}\, \sqrt {c \,x^{4}+b \,x^{2}+a}\, \left (b +\sqrt {-4 a c +b^{2}}\right )}+\frac {5 a^{2} c \sqrt {2}\, \sqrt {4-\frac {2 \left (-b +\sqrt {-4 a c +b^{2}}\right ) x^{2}}{a}}\, \sqrt {4+\frac {2 \left (b +\sqrt {-4 a c +b^{2}}\right ) x^{2}}{a}}\, \EllipticF \left (\frac {x \sqrt {2}\, \sqrt {\frac {-b +\sqrt {-4 a c +b^{2}}}{a}}}{2}, \frac {\sqrt {-4+\frac {2 b \left (b +\sqrt {-4 a c +b^{2}}\right )}{a c}}}{2}\right )}{2 \sqrt {\frac {-b +\sqrt {-4 a c +b^{2}}}{a}}\, \sqrt {c \,x^{4}+b \,x^{2}+a}}-\frac {a \,b^{2} \sqrt {2}\, \sqrt {4-\frac {2 \left (-b +\sqrt {-4 a c +b^{2}}\right ) x^{2}}{a}}\, \sqrt {4+\frac {2 \left (b +\sqrt {-4 a c +b^{2}}\right ) x^{2}}{a}}\, \EllipticF \left (\frac {x \sqrt {2}\, \sqrt {\frac {-b +\sqrt {-4 a c +b^{2}}}{a}}}{2}, \frac {\sqrt {-4+\frac {2 b \left (b +\sqrt {-4 a c +b^{2}}\right )}{a c}}}{2}\right )}{\sqrt {\frac {-b +\sqrt {-4 a c +b^{2}}}{a}}\, \sqrt {c \,x^{4}+b \,x^{2}+a}}}{105 c^{2}}\) | \(573\) |
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(-2)]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {Exception raised: TypeError} \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 x^{4} \sqrt {a + b x^{2} + c x^{4}}\, dx \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*} \text {could not integrate} \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 x^4\,\sqrt {c\,x^4+b\,x^2+a} \,d x \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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