Integrand size = 18, antiderivative size = 26 \[ \int \frac {a+b x}{x^2 \sqrt {c x^2}} \, dx=-\frac {(a+b x)^2}{2 a x \sqrt {c x^2}} \]
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Time = 0.00 (sec) , antiderivative size = 26, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.111, Rules used = {15, 37} \[ \int \frac {a+b x}{x^2 \sqrt {c x^2}} \, dx=-\frac {(a+b x)^2}{2 a x \sqrt {c x^2}} \]
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Rule 15
Rule 37
Rubi steps \begin{align*} \text {integral}& = \frac {x \int \frac {a+b x}{x^3} \, dx}{\sqrt {c x^2}} \\ & = -\frac {(a+b x)^2}{2 a x \sqrt {c x^2}} \\ \end{align*}
Time = 0.02 (sec) , antiderivative size = 21, normalized size of antiderivative = 0.81 \[ \int \frac {a+b x}{x^2 \sqrt {c x^2}} \, dx=-\frac {c x (a+2 b x)}{2 \left (c x^2\right )^{3/2}} \]
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Time = 0.03 (sec) , antiderivative size = 19, normalized size of antiderivative = 0.73
method | result | size |
gosper | \(-\frac {2 b x +a}{2 x \sqrt {c \,x^{2}}}\) | \(19\) |
default | \(-\frac {2 b x +a}{2 x \sqrt {c \,x^{2}}}\) | \(19\) |
risch | \(\frac {-b x -\frac {a}{2}}{x \sqrt {c \,x^{2}}}\) | \(20\) |
trager | \(\frac {\left (-1+x \right ) \left (a x +2 b x +a \right ) \sqrt {c \,x^{2}}}{2 c \,x^{3}}\) | \(28\) |
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Time = 0.21 (sec) , antiderivative size = 21, normalized size of antiderivative = 0.81 \[ \int \frac {a+b x}{x^2 \sqrt {c x^2}} \, dx=-\frac {\sqrt {c x^{2}} {\left (2 \, b x + a\right )}}{2 \, c x^{3}} \]
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Time = 0.53 (sec) , antiderivative size = 24, normalized size of antiderivative = 0.92 \[ \int \frac {a+b x}{x^2 \sqrt {c x^2}} \, dx=- \frac {a}{2 x \sqrt {c x^{2}}} - \frac {b}{\sqrt {c x^{2}}} \]
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Time = 0.21 (sec) , antiderivative size = 19, normalized size of antiderivative = 0.73 \[ \int \frac {a+b x}{x^2 \sqrt {c x^2}} \, dx=-\frac {b}{\sqrt {c} x} - \frac {a}{2 \, \sqrt {c} x^{2}} \]
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Time = 0.31 (sec) , antiderivative size = 18, normalized size of antiderivative = 0.69 \[ \int \frac {a+b x}{x^2 \sqrt {c x^2}} \, dx=-\frac {2 \, b x + a}{2 \, \sqrt {c} x^{2} \mathrm {sgn}\left (x\right )} \]
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Time = 0.18 (sec) , antiderivative size = 25, normalized size of antiderivative = 0.96 \[ \int \frac {a+b x}{x^2 \sqrt {c x^2}} \, dx=-\frac {2\,b\,x^3+a\,x^2}{2\,\sqrt {c}\,x\,{\left (x^2\right )}^{3/2}} \]
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