Optimal. Leaf size=130 \[ \frac {1}{b x^6 \sqrt {b x^2+c x^4}}-\frac {8 \sqrt {b x^2+c x^4}}{7 b^2 x^8}+\frac {48 c \sqrt {b x^2+c x^4}}{35 b^3 x^6}-\frac {64 c^2 \sqrt {b x^2+c x^4}}{35 b^4 x^4}+\frac {128 c^3 \sqrt {b x^2+c x^4}}{35 b^5 x^2} \]
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Rubi [A]
time = 0.14, antiderivative size = 130, normalized size of antiderivative = 1.00, number of steps
used = 5, number of rules used = 3, integrand size = 19, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.158, Rules used = {2040, 2041,
2039} \begin {gather*} \frac {128 c^3 \sqrt {b x^2+c x^4}}{35 b^5 x^2}-\frac {64 c^2 \sqrt {b x^2+c x^4}}{35 b^4 x^4}+\frac {48 c \sqrt {b x^2+c x^4}}{35 b^3 x^6}-\frac {8 \sqrt {b x^2+c x^4}}{7 b^2 x^8}+\frac {1}{b x^6 \sqrt {b x^2+c x^4}} \end {gather*}
Antiderivative was successfully verified.
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Rule 2039
Rule 2040
Rule 2041
Rubi steps
\begin {align*} \int \frac {1}{x^5 \left (b x^2+c x^4\right )^{3/2}} \, dx &=\frac {1}{b x^6 \sqrt {b x^2+c x^4}}+\frac {8 \int \frac {1}{x^7 \sqrt {b x^2+c x^4}} \, dx}{b}\\ &=\frac {1}{b x^6 \sqrt {b x^2+c x^4}}-\frac {8 \sqrt {b x^2+c x^4}}{7 b^2 x^8}-\frac {(48 c) \int \frac {1}{x^5 \sqrt {b x^2+c x^4}} \, dx}{7 b^2}\\ &=\frac {1}{b x^6 \sqrt {b x^2+c x^4}}-\frac {8 \sqrt {b x^2+c x^4}}{7 b^2 x^8}+\frac {48 c \sqrt {b x^2+c x^4}}{35 b^3 x^6}+\frac {\left (192 c^2\right ) \int \frac {1}{x^3 \sqrt {b x^2+c x^4}} \, dx}{35 b^3}\\ &=\frac {1}{b x^6 \sqrt {b x^2+c x^4}}-\frac {8 \sqrt {b x^2+c x^4}}{7 b^2 x^8}+\frac {48 c \sqrt {b x^2+c x^4}}{35 b^3 x^6}-\frac {64 c^2 \sqrt {b x^2+c x^4}}{35 b^4 x^4}-\frac {\left (128 c^3\right ) \int \frac {1}{x \sqrt {b x^2+c x^4}} \, dx}{35 b^4}\\ &=\frac {1}{b x^6 \sqrt {b x^2+c x^4}}-\frac {8 \sqrt {b x^2+c x^4}}{7 b^2 x^8}+\frac {48 c \sqrt {b x^2+c x^4}}{35 b^3 x^6}-\frac {64 c^2 \sqrt {b x^2+c x^4}}{35 b^4 x^4}+\frac {128 c^3 \sqrt {b x^2+c x^4}}{35 b^5 x^2}\\ \end {align*}
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Mathematica [A]
time = 0.08, size = 68, normalized size = 0.52 \begin {gather*} \frac {-5 b^4+8 b^3 c x^2-16 b^2 c^2 x^4+64 b c^3 x^6+128 c^4 x^8}{35 b^5 x^6 \sqrt {x^2 \left (b+c x^2\right )}} \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 0.10, size = 72, normalized size = 0.55
method | result | size |
gosper | \(-\frac {\left (c \,x^{2}+b \right ) \left (-128 c^{4} x^{8}-64 b \,c^{3} x^{6}+16 b^{2} c^{2} x^{4}-8 b^{3} c \,x^{2}+5 b^{4}\right )}{35 x^{4} b^{5} \left (c \,x^{4}+b \,x^{2}\right )^{\frac {3}{2}}}\) | \(72\) |
default | \(-\frac {\left (c \,x^{2}+b \right ) \left (-128 c^{4} x^{8}-64 b \,c^{3} x^{6}+16 b^{2} c^{2} x^{4}-8 b^{3} c \,x^{2}+5 b^{4}\right )}{35 x^{4} b^{5} \left (c \,x^{4}+b \,x^{2}\right )^{\frac {3}{2}}}\) | \(72\) |
trager | \(-\frac {\left (-128 c^{4} x^{8}-64 b \,c^{3} x^{6}+16 b^{2} c^{2} x^{4}-8 b^{3} c \,x^{2}+5 b^{4}\right ) \sqrt {c \,x^{4}+b \,x^{2}}}{35 \left (c \,x^{2}+b \right ) b^{5} x^{8}}\) | \(74\) |
risch | \(-\frac {\left (c \,x^{2}+b \right ) \left (-93 c^{3} x^{6}+29 b \,c^{2} x^{4}-13 b^{2} c \,x^{2}+5 b^{3}\right )}{35 b^{5} x^{6} \sqrt {x^{2} \left (c \,x^{2}+b \right )}}+\frac {x^{2} c^{4}}{b^{5} \sqrt {x^{2} \left (c \,x^{2}+b \right )}}\) | \(85\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A]
time = 0.30, size = 113, normalized size = 0.87 \begin {gather*} \frac {128 \, c^{4} x^{2}}{35 \, \sqrt {c x^{4} + b x^{2}} b^{5}} + \frac {64 \, c^{3}}{35 \, \sqrt {c x^{4} + b x^{2}} b^{4}} - \frac {16 \, c^{2}}{35 \, \sqrt {c x^{4} + b x^{2}} b^{3} x^{2}} + \frac {8 \, c}{35 \, \sqrt {c x^{4} + b x^{2}} b^{2} x^{4}} - \frac {1}{7 \, \sqrt {c x^{4} + b x^{2}} b x^{6}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 0.38, size = 76, normalized size = 0.58 \begin {gather*} \frac {{\left (128 \, c^{4} x^{8} + 64 \, b c^{3} x^{6} - 16 \, b^{2} c^{2} x^{4} + 8 \, b^{3} c x^{2} - 5 \, b^{4}\right )} \sqrt {c x^{4} + b x^{2}}}{35 \, {\left (b^{5} c x^{10} + b^{6} x^{8}\right )}} \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^{5} \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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Giac [A]
time = 5.86, size = 222, normalized size = 1.71 \begin {gather*} \frac {c^{4} x}{\sqrt {c x^{2} + b} b^{5} \mathrm {sgn}\left (x\right )} - \frac {2 \, {\left (35 \, {\left (\sqrt {c} x - \sqrt {c x^{2} + b}\right )}^{12} c^{\frac {7}{2}} - 280 \, {\left (\sqrt {c} x - \sqrt {c x^{2} + b}\right )}^{10} b c^{\frac {7}{2}} + 1015 \, {\left (\sqrt {c} x - \sqrt {c x^{2} + b}\right )}^{8} b^{2} c^{\frac {7}{2}} - 2240 \, {\left (\sqrt {c} x - \sqrt {c x^{2} + b}\right )}^{6} b^{3} c^{\frac {7}{2}} + 1673 \, {\left (\sqrt {c} x - \sqrt {c x^{2} + b}\right )}^{4} b^{4} c^{\frac {7}{2}} - 616 \, {\left (\sqrt {c} x - \sqrt {c x^{2} + b}\right )}^{2} b^{5} c^{\frac {7}{2}} + 93 \, b^{6} c^{\frac {7}{2}}\right )}}{35 \, {\left ({\left (\sqrt {c} x - \sqrt {c x^{2} + b}\right )}^{2} - b\right )}^{7} b^{4} \mathrm {sgn}\left (x\right )} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 4.41, size = 114, normalized size = 0.88 \begin {gather*} \frac {13\,c\,\sqrt {c\,x^4+b\,x^2}}{35\,b^3\,x^6}-\frac {\sqrt {c\,x^4+b\,x^2}}{7\,b^2\,x^8}-\frac {29\,c^2\,\sqrt {c\,x^4+b\,x^2}}{35\,b^4\,x^4}+\frac {\sqrt {c\,x^4+b\,x^2}\,\left (\frac {93\,c^3}{35\,b^4}+\frac {128\,c^4\,x^2}{35\,b^5}\right )}{x^2\,\left (c\,x^2+b\right )} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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