Optimal. Leaf size=69 \[ \frac {(a+b x) (A b-a B) \log (a+b x)}{b^2 \sqrt {a^2+2 a b x+b^2 x^2}}+\frac {B \sqrt {a^2+2 a b x+b^2 x^2}}{b^2} \]
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Rubi [A] time = 0.03, antiderivative size = 69, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 3, integrand size = 26, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.115, Rules used = {640, 608, 31} \begin {gather*} \frac {(a+b x) (A b-a B) \log (a+b x)}{b^2 \sqrt {a^2+2 a b x+b^2 x^2}}+\frac {B \sqrt {a^2+2 a b x+b^2 x^2}}{b^2} \end {gather*}
Antiderivative was successfully verified.
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Rule 31
Rule 608
Rule 640
Rubi steps
\begin {align*} \int \frac {A+B x}{\sqrt {a^2+2 a b x+b^2 x^2}} \, dx &=\frac {B \sqrt {a^2+2 a b x+b^2 x^2}}{b^2}+\frac {\left (2 A b^2-2 a b B\right ) \int \frac {1}{\sqrt {a^2+2 a b x+b^2 x^2}} \, dx}{2 b^2}\\ &=\frac {B \sqrt {a^2+2 a b x+b^2 x^2}}{b^2}+\frac {\left (\left (2 A b^2-2 a b B\right ) \left (a b+b^2 x\right )\right ) \int \frac {1}{a b+b^2 x} \, dx}{2 b^2 \sqrt {a^2+2 a b x+b^2 x^2}}\\ &=\frac {B \sqrt {a^2+2 a b x+b^2 x^2}}{b^2}+\frac {(A b-a B) (a+b x) \log (a+b x)}{b^2 \sqrt {a^2+2 a b x+b^2 x^2}}\\ \end {align*}
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Mathematica [A] time = 0.02, size = 40, normalized size = 0.58 \begin {gather*} \frac {(a+b x) ((A b-a B) \log (a+b x)+b B x)}{b^2 \sqrt {(a+b x)^2}} \end {gather*}
Antiderivative was successfully verified.
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IntegrateAlgebraic [B] time = 0.00, size = 196, normalized size = 2.84 \begin {gather*} \frac {\left (a \sqrt {b^2} B+a b B-A b^2-A \sqrt {b^2} b\right ) \log \left (\sqrt {a^2+2 a b x+b^2 x^2}-a-\sqrt {b^2} x\right )}{2 \left (b^2\right )^{3/2}}+\frac {\left (-a \sqrt {b^2} B+a b B-A b^2+A \sqrt {b^2} b\right ) \log \left (\sqrt {a^2+2 a b x+b^2 x^2}+a-\sqrt {b^2} x\right )}{2 \left (b^2\right )^{3/2}}+\frac {B \sqrt {a^2+2 a b x+b^2 x^2}}{2 b^2}-\frac {B x}{2 \sqrt {b^2}} \end {gather*}
Antiderivative was successfully verified.
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fricas [A] time = 0.41, size = 25, normalized size = 0.36 \begin {gather*} \frac {B b x - {\left (B a - A b\right )} \log \left (b x + a\right )}{b^{2}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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giac [A] time = 0.15, size = 45, normalized size = 0.65 \begin {gather*} \frac {B x \mathrm {sgn}\left (b x + a\right )}{b} - \frac {{\left (B a \mathrm {sgn}\left (b x + a\right ) - A b \mathrm {sgn}\left (b x + a\right )\right )} \log \left ({\left | b x + a \right |}\right )}{b^{2}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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maple [A] time = 0.05, size = 43, normalized size = 0.62 \begin {gather*} \frac {\left (b x +a \right ) \left (A b \ln \left (b x +a \right )-B a \ln \left (b x +a \right )+B b x \right )}{\sqrt {\left (b x +a \right )^{2}}\, b^{2}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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maxima [A] time = 0.56, size = 52, normalized size = 0.75 \begin {gather*} -\frac {B a \log \left (x + \frac {a}{b}\right )}{b^{2}} + \frac {A \log \left (x + \frac {a}{b}\right )}{b} + \frac {\sqrt {b^{2} x^{2} + 2 \, a b x + a^{2}} B}{b^{2}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 2.47, size = 79, normalized size = 1.14 \begin {gather*} \frac {B\,\sqrt {a^2+2\,a\,b\,x+b^2\,x^2}}{b^2}+\frac {A\,\ln \left (a+b\,x+\sqrt {{\left (a+b\,x\right )}^2}\right )}{b}-\frac {B\,a\,b\,\ln \left (a\,b+\sqrt {{\left (a+b\,x\right )}^2}\,\sqrt {b^2}+b^2\,x\right )}{{\left (b^2\right )}^{3/2}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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sympy [A] time = 0.17, size = 20, normalized size = 0.29 \begin {gather*} \frac {B x}{b} - \frac {\left (- A b + B a\right ) \log {\left (a + b x \right )}}{b^{2}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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