Optimal. Leaf size=47 \[ -\frac {2 \tanh ^{-1}\left (\frac {\sqrt {b} \sqrt {c+d x}}{\sqrt {b c-a d}}\right )}{\sqrt {b} \sqrt {b c-a d}} \]
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Rubi [A]
time = 0.01, antiderivative size = 47, normalized size of antiderivative = 1.00, number of steps
used = 2, number of rules used = 2, integrand size = 17, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.118, Rules used = {65, 214}
\begin {gather*} -\frac {2 \tanh ^{-1}\left (\frac {\sqrt {b} \sqrt {c+d x}}{\sqrt {b c-a d}}\right )}{\sqrt {b} \sqrt {b c-a d}} \end {gather*}
Antiderivative was successfully verified.
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Rule 65
Rule 214
Rubi steps
\begin {align*} \int \frac {1}{(a+b x) \sqrt {c+d x}} \, dx &=\frac {2 \text {Subst}\left (\int \frac {1}{a-\frac {b c}{d}+\frac {b x^2}{d}} \, dx,x,\sqrt {c+d x}\right )}{d}\\ &=-\frac {2 \tanh ^{-1}\left (\frac {\sqrt {b} \sqrt {c+d x}}{\sqrt {b c-a d}}\right )}{\sqrt {b} \sqrt {b c-a d}}\\ \end {align*}
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Mathematica [A]
time = 0.04, size = 47, normalized size = 1.00 \begin {gather*} \frac {2 \tan ^{-1}\left (\frac {\sqrt {b} \sqrt {c+d x}}{\sqrt {-b c+a d}}\right )}{\sqrt {b} \sqrt {-b c+a d}} \end {gather*}
Antiderivative was successfully verified.
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Mathics [A]
time = 4.09, size = 49, normalized size = 1.04 \begin {gather*} \frac {-2 \text {ArcTan}\left [\frac {1}{\sqrt {\frac {b}{a d-b c}} \sqrt {c+d x}}\right ]}{\sqrt {\frac {b}{a d-b c}} \left (a d-b c\right )} \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 0.16, size = 37, normalized size = 0.79
method | result | size |
derivativedivides | \(\frac {2 \arctan \left (\frac {b \sqrt {d x +c}}{\sqrt {\left (a d -b c \right ) b}}\right )}{\sqrt {\left (a d -b c \right ) b}}\) | \(37\) |
default | \(\frac {2 \arctan \left (\frac {b \sqrt {d x +c}}{\sqrt {\left (a d -b c \right ) b}}\right )}{\sqrt {\left (a d -b c \right ) b}}\) | \(37\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [F(-2)]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {Exception raised: ValueError} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 0.31, size = 119, normalized size = 2.53 \begin {gather*} \left [\frac {\log \left (\frac {b d x + 2 \, b c - a d - 2 \, \sqrt {b^{2} c - a b d} \sqrt {d x + c}}{b x + a}\right )}{\sqrt {b^{2} c - a b d}}, \frac {2 \, \sqrt {-b^{2} c + a b d} \arctan \left (\frac {\sqrt {-b^{2} c + a b d} \sqrt {d x + c}}{b d x + b c}\right )}{b^{2} c - a b d}\right ] \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A]
time = 2.22, size = 44, normalized size = 0.94 \begin {gather*} - \frac {2 \operatorname {atan}{\left (\frac {1}{\sqrt {\frac {b}{a d - b c}} \sqrt {c + d x}} \right )}}{\sqrt {\frac {b}{a d - b c}} \left (a d - b c\right )} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A]
time = 0.00, size = 46, normalized size = 0.98 \begin {gather*} \frac {2 \arctan \left (\frac {b \sqrt {c+d x}}{\sqrt {-b^{2} c+a b d}}\right )}{\sqrt {-b^{2} c+a b d}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 0.27, size = 38, normalized size = 0.81 \begin {gather*} \frac {2\,\mathrm {atan}\left (\frac {b\,\sqrt {c+d\,x}}{\sqrt {a\,b\,d-b^2\,c}}\right )}{\sqrt {a\,b\,d-b^2\,c}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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