Optimal. Leaf size=93 \[ \frac {2 \sqrt {c} \tanh ^{-1}\left (\frac {\sqrt {c} \sqrt {a+\frac {b}{x}}}{\sqrt {a} \sqrt {c+\frac {d}{x}}}\right )}{\sqrt {a}}-\frac {2 \sqrt {d} \tanh ^{-1}\left (\frac {\sqrt {d} \sqrt {a+\frac {b}{x}}}{\sqrt {b} \sqrt {c+\frac {d}{x}}}\right )}{\sqrt {b}} \]
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Rubi [A]
time = 0.06, antiderivative size = 93, normalized size of antiderivative = 1.00, number of steps
used = 8, number of rules used = 8, integrand size = 26, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.308, Rules used = {457, 132, 65,
223, 212, 12, 95, 214} \begin {gather*} \frac {2 \sqrt {c} \tanh ^{-1}\left (\frac {\sqrt {c} \sqrt {a+\frac {b}{x}}}{\sqrt {a} \sqrt {c+\frac {d}{x}}}\right )}{\sqrt {a}}-\frac {2 \sqrt {d} \tanh ^{-1}\left (\frac {\sqrt {d} \sqrt {a+\frac {b}{x}}}{\sqrt {b} \sqrt {c+\frac {d}{x}}}\right )}{\sqrt {b}} \end {gather*}
Antiderivative was successfully verified.
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Rule 12
Rule 65
Rule 95
Rule 132
Rule 212
Rule 214
Rule 223
Rule 457
Rubi steps
\begin {align*} \int \frac {\sqrt {c+\frac {d}{x}}}{\sqrt {a+\frac {b}{x}} x} \, dx &=-\text {Subst}\left (\int \frac {\sqrt {c+d x}}{x \sqrt {a+b x}} \, dx,x,\frac {1}{x}\right )\\ &=-\left (c \text {Subst}\left (\int \frac {1}{x \sqrt {a+b x} \sqrt {c+d x}} \, dx,x,\frac {1}{x}\right )\right )-d \text {Subst}\left (\int \frac {1}{\sqrt {a+b x} \sqrt {c+d x}} \, dx,x,\frac {1}{x}\right )\\ &=-\left ((2 c) \text {Subst}\left (\int \frac {1}{-a+c x^2} \, dx,x,\frac {\sqrt {a+\frac {b}{x}}}{\sqrt {c+\frac {d}{x}}}\right )\right )-\frac {(2 d) \text {Subst}\left (\int \frac {1}{\sqrt {c-\frac {a d}{b}+\frac {d x^2}{b}}} \, dx,x,\sqrt {a+\frac {b}{x}}\right )}{b}\\ &=\frac {2 \sqrt {c} \tanh ^{-1}\left (\frac {\sqrt {c} \sqrt {a+\frac {b}{x}}}{\sqrt {a} \sqrt {c+\frac {d}{x}}}\right )}{\sqrt {a}}-\frac {(2 d) \text {Subst}\left (\int \frac {1}{1-\frac {d x^2}{b}} \, dx,x,\frac {\sqrt {a+\frac {b}{x}}}{\sqrt {c+\frac {d}{x}}}\right )}{b}\\ &=\frac {2 \sqrt {c} \tanh ^{-1}\left (\frac {\sqrt {c} \sqrt {a+\frac {b}{x}}}{\sqrt {a} \sqrt {c+\frac {d}{x}}}\right )}{\sqrt {a}}-\frac {2 \sqrt {d} \tanh ^{-1}\left (\frac {\sqrt {d} \sqrt {a+\frac {b}{x}}}{\sqrt {b} \sqrt {c+\frac {d}{x}}}\right )}{\sqrt {b}}\\ \end {align*}
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Mathematica [B] Leaf count is larger than twice the leaf count of optimal. \(348\) vs. \(2(93)=186\).
time = 1.54, size = 348, normalized size = 3.74 \begin {gather*} \frac {2 \sqrt {c} \sqrt {c+\frac {d}{x}} \sqrt {b+a x} \left (\sqrt {b+a x}-\sqrt {\frac {a}{c}} \sqrt {d+c x}\right ) \left (b c-2 \sqrt {\frac {a}{c}} c \sqrt {b+a x} \sqrt {d+c x}+a (d+2 c x)\right ) \left (\sqrt {a} \sqrt {d} \tanh ^{-1}\left (\frac {\sqrt {c} \left (-a x+\sqrt {\frac {a}{c}} \sqrt {b+a x} \sqrt {d+c x}\right )}{\sqrt {a} \sqrt {b} \sqrt {d}}\right )+\sqrt {b} \sqrt {c} \log \left (\sqrt {b+a x}-\sqrt {\frac {a}{c}} \sqrt {d+c x}\right )\right )}{\sqrt {b} \sqrt {a+\frac {b}{x}} \sqrt {d+c x} \left (b c \left (-\sqrt {\frac {a}{c}} c \sqrt {b+a x}+3 a \sqrt {d+c x}\right )+a \left (-3 \sqrt {\frac {a}{c}} c d \sqrt {b+a x}-4 \sqrt {\frac {a}{c}} c^2 x \sqrt {b+a x}+a d \sqrt {d+c x}+4 a c x \sqrt {d+c x}\right )\right )} \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. \(142\) vs.
\(2(69)=138\).
time = 0.08, size = 143, normalized size = 1.54
method | result | size |
default | \(-\frac {\sqrt {\frac {a x +b}{x}}\, x \sqrt {\frac {c x +d}{x}}\, \left (\ln \left (\frac {a d x +b c x +2 \sqrt {b d}\, \sqrt {\left (c x +d \right ) \left (a x +b \right )}+2 b d}{x}\right ) \sqrt {a c}\, d -\ln \left (\frac {2 a c x +2 \sqrt {\left (c x +d \right ) \left (a x +b \right )}\, \sqrt {a c}+a d +b c}{2 \sqrt {a c}}\right ) \sqrt {b d}\, c \right )}{\sqrt {b d}\, \sqrt {a c}\, \sqrt {\left (c x +d \right ) \left (a x +b \right )}}\) | \(143\) |
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. 146 vs.
\(2 (69) = 138\).
time = 1.32, size = 757, normalized size = 8.14 \begin {gather*} \left [\frac {1}{2} \, \sqrt {\frac {c}{a}} \log \left (-8 \, a^{2} c^{2} x^{2} - b^{2} c^{2} - 6 \, a b c d - a^{2} d^{2} - 4 \, {\left (2 \, a^{2} c x^{2} + {\left (a b c + a^{2} d\right )} x\right )} \sqrt {\frac {c}{a}} \sqrt {\frac {a x + b}{x}} \sqrt {\frac {c x + d}{x}} - 8 \, {\left (a b c^{2} + a^{2} c d\right )} x\right ) + \frac {1}{2} \, \sqrt {\frac {d}{b}} \log \left (-\frac {8 \, b^{2} d^{2} + {\left (b^{2} c^{2} + 6 \, a b c d + a^{2} d^{2}\right )} x^{2} - 4 \, {\left (2 \, b^{2} d x + {\left (b^{2} c + a b d\right )} x^{2}\right )} \sqrt {\frac {d}{b}} \sqrt {\frac {a x + b}{x}} \sqrt {\frac {c x + d}{x}} + 8 \, {\left (b^{2} c d + a b d^{2}\right )} x}{x^{2}}\right ), -\sqrt {-\frac {c}{a}} \arctan \left (\frac {2 \, a x \sqrt {-\frac {c}{a}} \sqrt {\frac {a x + b}{x}} \sqrt {\frac {c x + d}{x}}}{2 \, a c x + b c + a d}\right ) + \frac {1}{2} \, \sqrt {\frac {d}{b}} \log \left (-\frac {8 \, b^{2} d^{2} + {\left (b^{2} c^{2} + 6 \, a b c d + a^{2} d^{2}\right )} x^{2} - 4 \, {\left (2 \, b^{2} d x + {\left (b^{2} c + a b d\right )} x^{2}\right )} \sqrt {\frac {d}{b}} \sqrt {\frac {a x + b}{x}} \sqrt {\frac {c x + d}{x}} + 8 \, {\left (b^{2} c d + a b d^{2}\right )} x}{x^{2}}\right ), \sqrt {-\frac {d}{b}} \arctan \left (\frac {{\left (2 \, b d x + {\left (b c + a d\right )} x^{2}\right )} \sqrt {-\frac {d}{b}} \sqrt {\frac {a x + b}{x}} \sqrt {\frac {c x + d}{x}}}{2 \, {\left (a c d x^{2} + b d^{2} + {\left (b c d + a d^{2}\right )} x\right )}}\right ) + \frac {1}{2} \, \sqrt {\frac {c}{a}} \log \left (-8 \, a^{2} c^{2} x^{2} - b^{2} c^{2} - 6 \, a b c d - a^{2} d^{2} - 4 \, {\left (2 \, a^{2} c x^{2} + {\left (a b c + a^{2} d\right )} x\right )} \sqrt {\frac {c}{a}} \sqrt {\frac {a x + b}{x}} \sqrt {\frac {c x + d}{x}} - 8 \, {\left (a b c^{2} + a^{2} c d\right )} x\right ), -\sqrt {-\frac {c}{a}} \arctan \left (\frac {2 \, a x \sqrt {-\frac {c}{a}} \sqrt {\frac {a x + b}{x}} \sqrt {\frac {c x + d}{x}}}{2 \, a c x + b c + a d}\right ) + \sqrt {-\frac {d}{b}} \arctan \left (\frac {{\left (2 \, b d x + {\left (b c + a d\right )} x^{2}\right )} \sqrt {-\frac {d}{b}} \sqrt {\frac {a x + b}{x}} \sqrt {\frac {c x + d}{x}}}{2 \, {\left (a c d x^{2} + b d^{2} + {\left (b c d + a d^{2}\right )} x\right )}}\right )\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 {c + \frac {d}{x}}}{x \sqrt {a + \frac {b}{x}}}\, 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 = -0.01 \begin {gather*} \int \frac {\sqrt {c+\frac {d}{x}}}{x\,\sqrt {a+\frac {b}{x}}} \,d x \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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