Integrand size = 20, antiderivative size = 21 \[ \int \frac {1}{x \sqrt {c x} \sqrt {a+b x}} \, dx=-\frac {2 \sqrt {a+b x}}{a \sqrt {c x}} \]
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Time = 0.00 (sec) , antiderivative size = 21, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.100, Rules used = {16, 37} \[ \int \frac {1}{x \sqrt {c x} \sqrt {a+b x}} \, dx=-\frac {2 \sqrt {a+b x}}{a \sqrt {c x}} \]
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Rule 16
Rule 37
Rubi steps \begin{align*} \text {integral}& = c \int \frac {1}{(c x)^{3/2} \sqrt {a+b x}} \, dx \\ & = -\frac {2 \sqrt {a+b x}}{a \sqrt {c x}} \\ \end{align*}
Time = 0.01 (sec) , antiderivative size = 23, normalized size of antiderivative = 1.10 \[ \int \frac {1}{x \sqrt {c x} \sqrt {a+b x}} \, dx=-\frac {2 c x \sqrt {a+b x}}{a (c x)^{3/2}} \]
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Time = 1.67 (sec) , antiderivative size = 18, normalized size of antiderivative = 0.86
method | result | size |
gosper | \(-\frac {2 \sqrt {b x +a}}{a \sqrt {c x}}\) | \(18\) |
default | \(-\frac {2 \sqrt {b x +a}}{a \sqrt {c x}}\) | \(18\) |
risch | \(-\frac {2 \sqrt {b x +a}}{a \sqrt {c x}}\) | \(18\) |
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none
Time = 0.22 (sec) , antiderivative size = 23, normalized size of antiderivative = 1.10 \[ \int \frac {1}{x \sqrt {c x} \sqrt {a+b x}} \, dx=-\frac {2 \, \sqrt {b x + a} \sqrt {c x}}{a c x} \]
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Time = 0.59 (sec) , antiderivative size = 24, normalized size of antiderivative = 1.14 \[ \int \frac {1}{x \sqrt {c x} \sqrt {a+b x}} \, dx=- \frac {2 \sqrt {b} \sqrt {\frac {a}{b x} + 1}}{a \sqrt {c}} \]
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none
Time = 0.19 (sec) , antiderivative size = 24, normalized size of antiderivative = 1.14 \[ \int \frac {1}{x \sqrt {c x} \sqrt {a+b x}} \, dx=-\frac {2 \, \sqrt {b c x^{2} + a c x}}{a c x} \]
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Leaf count of result is larger than twice the leaf count of optimal. 35 vs. \(2 (17) = 34\).
Time = 0.29 (sec) , antiderivative size = 35, normalized size of antiderivative = 1.67 \[ \int \frac {1}{x \sqrt {c x} \sqrt {a+b x}} \, dx=-\frac {2 \, \sqrt {b x + a} b^{2}}{\sqrt {{\left (b x + a\right )} b c - a b c} a {\left | b \right |}} \]
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Time = 1.26 (sec) , antiderivative size = 17, normalized size of antiderivative = 0.81 \[ \int \frac {1}{x \sqrt {c x} \sqrt {a+b x}} \, dx=-\frac {2\,\sqrt {a+b\,x}}{a\,\sqrt {c\,x}} \]
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