Optimal. Leaf size=43 \[ \frac {A \tanh ^{-1}\left (\frac {\sqrt {c} x}{\sqrt {a+c x^2}}\right )}{\sqrt {c}}+\frac {B \sqrt {a+c x^2}}{c} \]
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Rubi [A] time = 0.01, antiderivative size = 43, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 3, integrand size = 17, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.176, Rules used = {641, 217, 206} \[ \frac {A \tanh ^{-1}\left (\frac {\sqrt {c} x}{\sqrt {a+c x^2}}\right )}{\sqrt {c}}+\frac {B \sqrt {a+c x^2}}{c} \]
Antiderivative was successfully verified.
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Rule 206
Rule 217
Rule 641
Rubi steps
\begin {align*} \int \frac {A+B x}{\sqrt {a+c x^2}} \, dx &=\frac {B \sqrt {a+c x^2}}{c}+A \int \frac {1}{\sqrt {a+c x^2}} \, dx\\ &=\frac {B \sqrt {a+c x^2}}{c}+A \operatorname {Subst}\left (\int \frac {1}{1-c x^2} \, dx,x,\frac {x}{\sqrt {a+c x^2}}\right )\\ &=\frac {B \sqrt {a+c x^2}}{c}+\frac {A \tanh ^{-1}\left (\frac {\sqrt {c} x}{\sqrt {a+c x^2}}\right )}{\sqrt {c}}\\ \end {align*}
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Mathematica [A] time = 0.03, size = 46, normalized size = 1.07 \[ \frac {A \log \left (\sqrt {c} \sqrt {a+c x^2}+c x\right )}{\sqrt {c}}+\frac {B \sqrt {a+c x^2}}{c} \]
Antiderivative was successfully verified.
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fricas [A] time = 0.79, size = 92, normalized size = 2.14 \[ \left [\frac {A \sqrt {c} \log \left (-2 \, c x^{2} - 2 \, \sqrt {c x^{2} + a} \sqrt {c} x - a\right ) + 2 \, \sqrt {c x^{2} + a} B}{2 \, c}, -\frac {A \sqrt {-c} \arctan \left (\frac {\sqrt {-c} x}{\sqrt {c x^{2} + a}}\right ) - \sqrt {c x^{2} + a} B}{c}\right ] \]
Verification of antiderivative is not currently implemented for this CAS.
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giac [A] time = 0.19, size = 39, normalized size = 0.91 \[ -\frac {A \log \left ({\left | -\sqrt {c} x + \sqrt {c x^{2} + a} \right |}\right )}{\sqrt {c}} + \frac {\sqrt {c x^{2} + a} B}{c} \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [A] time = 0.05, size = 37, normalized size = 0.86 \[ \frac {A \ln \left (\sqrt {c}\, x +\sqrt {c \,x^{2}+a}\right )}{\sqrt {c}}+\frac {\sqrt {c \,x^{2}+a}\, B}{c} \]
Verification of antiderivative is not currently implemented for this CAS.
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maxima [A] time = 0.57, size = 29, normalized size = 0.67 \[ \frac {A \operatorname {arsinh}\left (\frac {c x}{\sqrt {a c}}\right )}{\sqrt {c}} + \frac {\sqrt {c x^{2} + a} B}{c} \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 1.33, size = 36, normalized size = 0.84 \[ \frac {B\,\sqrt {c\,x^2+a}}{c}+\frac {A\,\ln \left (\sqrt {c}\,x+\sqrt {c\,x^2+a}\right )}{\sqrt {c}} \]
Verification of antiderivative is not currently implemented for this CAS.
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sympy [B] time = 1.49, size = 102, normalized size = 2.37 \[ A \left (\begin {cases} \frac {\sqrt {- \frac {a}{c}} \operatorname {asin}{\left (x \sqrt {- \frac {c}{a}} \right )}}{\sqrt {a}} & \text {for}\: a > 0 \wedge c < 0 \\\frac {\sqrt {\frac {a}{c}} \operatorname {asinh}{\left (x \sqrt {\frac {c}{a}} \right )}}{\sqrt {a}} & \text {for}\: a > 0 \wedge c > 0 \\\frac {\sqrt {- \frac {a}{c}} \operatorname {acosh}{\left (x \sqrt {- \frac {c}{a}} \right )}}{\sqrt {- a}} & \text {for}\: c > 0 \wedge a < 0 \end {cases}\right ) + B \left (\begin {cases} \frac {x^{2}}{2 \sqrt {a}} & \text {for}\: c = 0 \\\frac {\sqrt {a + c x^{2}}}{c} & \text {otherwise} \end {cases}\right ) \]
Verification of antiderivative is not currently implemented for this CAS.
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