Integrand size = 11, antiderivative size = 16 \[ \int \frac {1}{\left (a+b x^2\right )^{3/2}} \, dx=\frac {x}{a \sqrt {a+b x^2}} \]
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Time = 0.00 (sec) , antiderivative size = 16, normalized size of antiderivative = 1.00, number of steps used = 1, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.091, Rules used = {197} \[ \int \frac {1}{\left (a+b x^2\right )^{3/2}} \, dx=\frac {x}{a \sqrt {a+b x^2}} \]
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Rule 197
Rubi steps \begin{align*} \text {integral}& = \frac {x}{a \sqrt {a+b x^2}} \\ \end{align*}
Time = 0.00 (sec) , antiderivative size = 16, normalized size of antiderivative = 1.00 \[ \int \frac {1}{\left (a+b x^2\right )^{3/2}} \, dx=\frac {x}{a \sqrt {a+b x^2}} \]
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Time = 2.29 (sec) , antiderivative size = 15, normalized size of antiderivative = 0.94
method | result | size |
gosper | \(\frac {x}{a \sqrt {b \,x^{2}+a}}\) | \(15\) |
default | \(\frac {x}{a \sqrt {b \,x^{2}+a}}\) | \(15\) |
trager | \(\frac {x}{a \sqrt {b \,x^{2}+a}}\) | \(15\) |
pseudoelliptic | \(\frac {x}{a \sqrt {b \,x^{2}+a}}\) | \(15\) |
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none
Time = 0.25 (sec) , antiderivative size = 23, normalized size of antiderivative = 1.44 \[ \int \frac {1}{\left (a+b x^2\right )^{3/2}} \, dx=\frac {\sqrt {b x^{2} + a} x}{a b x^{2} + a^{2}} \]
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Time = 0.37 (sec) , antiderivative size = 17, normalized size of antiderivative = 1.06 \[ \int \frac {1}{\left (a+b x^2\right )^{3/2}} \, dx=\frac {x}{a^{\frac {3}{2}} \sqrt {1 + \frac {b x^{2}}{a}}} \]
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none
Time = 0.20 (sec) , antiderivative size = 14, normalized size of antiderivative = 0.88 \[ \int \frac {1}{\left (a+b x^2\right )^{3/2}} \, dx=\frac {x}{\sqrt {b x^{2} + a} a} \]
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none
Time = 0.28 (sec) , antiderivative size = 14, normalized size of antiderivative = 0.88 \[ \int \frac {1}{\left (a+b x^2\right )^{3/2}} \, dx=\frac {x}{\sqrt {b x^{2} + a} a} \]
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Time = 0.04 (sec) , antiderivative size = 14, normalized size of antiderivative = 0.88 \[ \int \frac {1}{\left (a+b x^2\right )^{3/2}} \, dx=\frac {x}{a\,\sqrt {b\,x^2+a}} \]
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