Optimal. Leaf size=286 \[ -\frac {\sqrt {a+b x+c x^2}}{d x}-\frac {b \tanh ^{-1}\left (\frac {2 a+b x}{2 \sqrt {a} \sqrt {a+b x+c x^2}}\right )}{2 \sqrt {a} d}+\frac {\sqrt {c d-b \sqrt {d} \sqrt {f}+a f} \tanh ^{-1}\left (\frac {b \sqrt {d}-2 a \sqrt {f}+\left (2 c \sqrt {d}-b \sqrt {f}\right ) x}{2 \sqrt {c d-b \sqrt {d} \sqrt {f}+a f} \sqrt {a+b x+c x^2}}\right )}{2 d^{3/2}}+\frac {\sqrt {c d+b \sqrt {d} \sqrt {f}+a f} \tanh ^{-1}\left (\frac {b \sqrt {d}+2 a \sqrt {f}+\left (2 c \sqrt {d}+b \sqrt {f}\right ) x}{2 \sqrt {c d+b \sqrt {d} \sqrt {f}+a f} \sqrt {a+b x+c x^2}}\right )}{2 d^{3/2}} \]
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Rubi [A]
time = 0.46, antiderivative size = 286, normalized size of antiderivative = 1.00, number of steps
used = 16, number of rules used = 8, integrand size = 28, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.286, Rules used = {6857, 746,
857, 635, 212, 738, 1004, 1047} \begin {gather*} \frac {\sqrt {a f+b \left (-\sqrt {d}\right ) \sqrt {f}+c d} \tanh ^{-1}\left (\frac {-2 a \sqrt {f}+x \left (2 c \sqrt {d}-b \sqrt {f}\right )+b \sqrt {d}}{2 \sqrt {a+b x+c x^2} \sqrt {a f+b \left (-\sqrt {d}\right ) \sqrt {f}+c d}}\right )}{2 d^{3/2}}+\frac {\sqrt {a f+b \sqrt {d} \sqrt {f}+c d} \tanh ^{-1}\left (\frac {2 a \sqrt {f}+x \left (b \sqrt {f}+2 c \sqrt {d}\right )+b \sqrt {d}}{2 \sqrt {a+b x+c x^2} \sqrt {a f+b \sqrt {d} \sqrt {f}+c d}}\right )}{2 d^{3/2}}-\frac {\sqrt {a+b x+c x^2}}{d x}-\frac {b \tanh ^{-1}\left (\frac {2 a+b x}{2 \sqrt {a} \sqrt {a+b x+c x^2}}\right )}{2 \sqrt {a} d} \end {gather*}
Antiderivative was successfully verified.
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Rule 212
Rule 635
Rule 738
Rule 746
Rule 857
Rule 1004
Rule 1047
Rule 6857
Rubi steps
\begin {align*} \int \frac {\sqrt {a+b x+c x^2}}{x^2 \left (d-f x^2\right )} \, dx &=\int \left (\frac {\sqrt {a+b x+c x^2}}{d x^2}+\frac {f \sqrt {a+b x+c x^2}}{d \left (d-f x^2\right )}\right ) \, dx\\ &=\frac {\int \frac {\sqrt {a+b x+c x^2}}{x^2} \, dx}{d}+\frac {f \int \frac {\sqrt {a+b x+c x^2}}{d-f x^2} \, dx}{d}\\ &=-\frac {\sqrt {a+b x+c x^2}}{d x}+\frac {\int \frac {b+2 c x}{x \sqrt {a+b x+c x^2}} \, dx}{2 d}+\frac {\int \frac {c d+a f+b f x}{\sqrt {a+b x+c x^2} \left (d-f x^2\right )} \, dx}{d}-\frac {c \int \frac {1}{\sqrt {a+b x+c x^2}} \, dx}{d}\\ &=-\frac {\sqrt {a+b x+c x^2}}{d x}+\frac {b \int \frac {1}{x \sqrt {a+b x+c x^2}} \, dx}{2 d}+\frac {c \int \frac {1}{\sqrt {a+b x+c x^2}} \, dx}{d}-\frac {(2 c) \text {Subst}\left (\int \frac {1}{4 c-x^2} \, dx,x,\frac {b+2 c x}{\sqrt {a+b x+c x^2}}\right )}{d}-\frac {\left (\sqrt {f} \left (c d-b \sqrt {d} \sqrt {f}+a f\right )\right ) \int \frac {1}{\left (-\sqrt {d} \sqrt {f}-f x\right ) \sqrt {a+b x+c x^2}} \, dx}{2 d^{3/2}}+\frac {\left (\sqrt {f} \left (c d+b \sqrt {d} \sqrt {f}+a f\right )\right ) \int \frac {1}{\left (\sqrt {d} \sqrt {f}-f x\right ) \sqrt {a+b x+c x^2}} \, dx}{2 d^{3/2}}\\ &=-\frac {\sqrt {a+b x+c x^2}}{d x}-\frac {\sqrt {c} \tanh ^{-1}\left (\frac {b+2 c x}{2 \sqrt {c} \sqrt {a+b x+c x^2}}\right )}{d}-\frac {b \text {Subst}\left (\int \frac {1}{4 a-x^2} \, dx,x,\frac {2 a+b x}{\sqrt {a+b x+c x^2}}\right )}{d}+\frac {(2 c) \text {Subst}\left (\int \frac {1}{4 c-x^2} \, dx,x,\frac {b+2 c x}{\sqrt {a+b x+c x^2}}\right )}{d}+\frac {\left (\sqrt {f} \left (c d-b \sqrt {d} \sqrt {f}+a f\right )\right ) \text {Subst}\left (\int \frac {1}{4 c d f-4 b \sqrt {d} f^{3/2}+4 a f^2-x^2} \, dx,x,\frac {b \sqrt {d} \sqrt {f}-2 a f-\left (-2 c \sqrt {d} \sqrt {f}+b f\right ) x}{\sqrt {a+b x+c x^2}}\right )}{d^{3/2}}-\frac {\left (\sqrt {f} \left (c d+b \sqrt {d} \sqrt {f}+a f\right )\right ) \text {Subst}\left (\int \frac {1}{4 c d f+4 b \sqrt {d} f^{3/2}+4 a f^2-x^2} \, dx,x,\frac {-b \sqrt {d} \sqrt {f}-2 a f-\left (2 c \sqrt {d} \sqrt {f}+b f\right ) x}{\sqrt {a+b x+c x^2}}\right )}{d^{3/2}}\\ &=-\frac {\sqrt {a+b x+c x^2}}{d x}-\frac {b \tanh ^{-1}\left (\frac {2 a+b x}{2 \sqrt {a} \sqrt {a+b x+c x^2}}\right )}{2 \sqrt {a} d}+\frac {\sqrt {c d-b \sqrt {d} \sqrt {f}+a f} \tanh ^{-1}\left (\frac {b \sqrt {d}-2 a \sqrt {f}+\left (2 c \sqrt {d}-b \sqrt {f}\right ) x}{2 \sqrt {c d-b \sqrt {d} \sqrt {f}+a f} \sqrt {a+b x+c x^2}}\right )}{2 d^{3/2}}+\frac {\sqrt {c d+b \sqrt {d} \sqrt {f}+a f} \tanh ^{-1}\left (\frac {b \sqrt {d}+2 a \sqrt {f}+\left (2 c \sqrt {d}+b \sqrt {f}\right ) x}{2 \sqrt {c d+b \sqrt {d} \sqrt {f}+a f} \sqrt {a+b x+c x^2}}\right )}{2 d^{3/2}}\\ \end {align*}
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Mathematica [C] Result contains higher order function than in optimal. Order 9 vs. order 3 in
optimal.
time = 0.41, size = 288, normalized size = 1.01 \begin {gather*} -\frac {\frac {2 \sqrt {a+x (b+c x)}}{x}-\frac {2 b \tanh ^{-1}\left (\frac {\sqrt {c} x-\sqrt {a+x (b+c x)}}{\sqrt {a}}\right )}{\sqrt {a}}+\text {RootSum}\left [b^2 d-a^2 f-4 b \sqrt {c} d \text {$\#$1}+4 c d \text {$\#$1}^2+2 a f \text {$\#$1}^2-f \text {$\#$1}^4\&,\frac {b c d \log \left (-\sqrt {c} x+\sqrt {a+b x+c x^2}-\text {$\#$1}\right )-2 c^{3/2} d \log \left (-\sqrt {c} x+\sqrt {a+b x+c x^2}-\text {$\#$1}\right ) \text {$\#$1}-2 a \sqrt {c} f \log \left (-\sqrt {c} x+\sqrt {a+b x+c x^2}-\text {$\#$1}\right ) \text {$\#$1}+b f \log \left (-\sqrt {c} x+\sqrt {a+b x+c x^2}-\text {$\#$1}\right ) \text {$\#$1}^2}{b \sqrt {c} d-2 c d \text {$\#$1}-a f \text {$\#$1}+f \text {$\#$1}^3}\&\right ]}{2 d} \end {gather*}
Antiderivative was successfully verified.
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Maple [B] Leaf count of result is larger than twice the leaf count of optimal. \(958\) vs.
\(2(218)=436\).
time = 0.15, size = 959, normalized size = 3.35 Too large to display
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 [B] Leaf count of result is larger than twice the leaf count of optimal. 543 vs.
\(2 (218) = 436\).
time = 15.01, size = 1094, normalized size = 3.83 \begin {gather*} \left [\frac {a d x \sqrt {\frac {d^{3} \sqrt {\frac {b^{2} f}{d^{5}}} + c d + a f}{d^{3}}} \log \left (\frac {2 \, b c x + 2 \, \sqrt {c x^{2} + b x + a} b d \sqrt {\frac {d^{3} \sqrt {\frac {b^{2} f}{d^{5}}} + c d + a f}{d^{3}}} + b^{2} + {\left (b d^{2} x + 2 \, a d^{2}\right )} \sqrt {\frac {b^{2} f}{d^{5}}}}{x}\right ) - a d x \sqrt {\frac {d^{3} \sqrt {\frac {b^{2} f}{d^{5}}} + c d + a f}{d^{3}}} \log \left (\frac {2 \, b c x - 2 \, \sqrt {c x^{2} + b x + a} b d \sqrt {\frac {d^{3} \sqrt {\frac {b^{2} f}{d^{5}}} + c d + a f}{d^{3}}} + b^{2} + {\left (b d^{2} x + 2 \, a d^{2}\right )} \sqrt {\frac {b^{2} f}{d^{5}}}}{x}\right ) + a d x \sqrt {-\frac {d^{3} \sqrt {\frac {b^{2} f}{d^{5}}} - c d - a f}{d^{3}}} \log \left (\frac {2 \, b c x + 2 \, \sqrt {c x^{2} + b x + a} b d \sqrt {-\frac {d^{3} \sqrt {\frac {b^{2} f}{d^{5}}} - c d - a f}{d^{3}}} + b^{2} - {\left (b d^{2} x + 2 \, a d^{2}\right )} \sqrt {\frac {b^{2} f}{d^{5}}}}{x}\right ) - a d x \sqrt {-\frac {d^{3} \sqrt {\frac {b^{2} f}{d^{5}}} - c d - a f}{d^{3}}} \log \left (\frac {2 \, b c x - 2 \, \sqrt {c x^{2} + b x + a} b d \sqrt {-\frac {d^{3} \sqrt {\frac {b^{2} f}{d^{5}}} - c d - a f}{d^{3}}} + b^{2} - {\left (b d^{2} x + 2 \, a d^{2}\right )} \sqrt {\frac {b^{2} f}{d^{5}}}}{x}\right ) + \sqrt {a} b x \log \left (-\frac {8 \, a b x + {\left (b^{2} + 4 \, a c\right )} x^{2} - 4 \, \sqrt {c x^{2} + b x + a} {\left (b x + 2 \, a\right )} \sqrt {a} + 8 \, a^{2}}{x^{2}}\right ) - 4 \, \sqrt {c x^{2} + b x + a} a}{4 \, a d x}, \frac {a d x \sqrt {\frac {d^{3} \sqrt {\frac {b^{2} f}{d^{5}}} + c d + a f}{d^{3}}} \log \left (\frac {2 \, b c x + 2 \, \sqrt {c x^{2} + b x + a} b d \sqrt {\frac {d^{3} \sqrt {\frac {b^{2} f}{d^{5}}} + c d + a f}{d^{3}}} + b^{2} + {\left (b d^{2} x + 2 \, a d^{2}\right )} \sqrt {\frac {b^{2} f}{d^{5}}}}{x}\right ) - a d x \sqrt {\frac {d^{3} \sqrt {\frac {b^{2} f}{d^{5}}} + c d + a f}{d^{3}}} \log \left (\frac {2 \, b c x - 2 \, \sqrt {c x^{2} + b x + a} b d \sqrt {\frac {d^{3} \sqrt {\frac {b^{2} f}{d^{5}}} + c d + a f}{d^{3}}} + b^{2} + {\left (b d^{2} x + 2 \, a d^{2}\right )} \sqrt {\frac {b^{2} f}{d^{5}}}}{x}\right ) + a d x \sqrt {-\frac {d^{3} \sqrt {\frac {b^{2} f}{d^{5}}} - c d - a f}{d^{3}}} \log \left (\frac {2 \, b c x + 2 \, \sqrt {c x^{2} + b x + a} b d \sqrt {-\frac {d^{3} \sqrt {\frac {b^{2} f}{d^{5}}} - c d - a f}{d^{3}}} + b^{2} - {\left (b d^{2} x + 2 \, a d^{2}\right )} \sqrt {\frac {b^{2} f}{d^{5}}}}{x}\right ) - a d x \sqrt {-\frac {d^{3} \sqrt {\frac {b^{2} f}{d^{5}}} - c d - a f}{d^{3}}} \log \left (\frac {2 \, b c x - 2 \, \sqrt {c x^{2} + b x + a} b d \sqrt {-\frac {d^{3} \sqrt {\frac {b^{2} f}{d^{5}}} - c d - a f}{d^{3}}} + b^{2} - {\left (b d^{2} x + 2 \, a d^{2}\right )} \sqrt {\frac {b^{2} f}{d^{5}}}}{x}\right ) + 2 \, \sqrt {-a} b x \arctan \left (\frac {\sqrt {c x^{2} + b x + a} {\left (b x + 2 \, a\right )} \sqrt {-a}}{2 \, {\left (a c x^{2} + a b x + a^{2}\right )}}\right ) - 4 \, \sqrt {c x^{2} + b x + a} a}{4 \, a d x}\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 {\sqrt {a + b x + c x^{2}}}{- d x^{2} + f x^{4}}\, dx \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [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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Mupad [F]
time = 0.00, size = -1, normalized size = -0.00 \begin {gather*} \int \frac {\sqrt {c\,x^2+b\,x+a}}{x^2\,\left (d-f\,x^2\right )} \,d x \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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