Integrand size = 13, antiderivative size = 21 \[ \int \frac {a+\frac {b}{x}}{x^{5/2}} \, dx=-\frac {2 b}{5 x^{5/2}}-\frac {2 a}{3 x^{3/2}} \]
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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 = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.077, Rules used = {14} \[ \int \frac {a+\frac {b}{x}}{x^{5/2}} \, dx=-\frac {2 a}{3 x^{3/2}}-\frac {2 b}{5 x^{5/2}} \]
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Rule 14
Rubi steps \begin{align*} \text {integral}& = \int \left (\frac {b}{x^{7/2}}+\frac {a}{x^{5/2}}\right ) \, dx \\ & = -\frac {2 b}{5 x^{5/2}}-\frac {2 a}{3 x^{3/2}} \\ \end{align*}
Time = 0.02 (sec) , antiderivative size = 17, normalized size of antiderivative = 0.81 \[ \int \frac {a+\frac {b}{x}}{x^{5/2}} \, dx=-\frac {2 (3 b+5 a x)}{15 x^{5/2}} \]
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Time = 0.03 (sec) , antiderivative size = 14, normalized size of antiderivative = 0.67
method | result | size |
gosper | \(-\frac {2 \left (5 a x +3 b \right )}{15 x^{\frac {5}{2}}}\) | \(14\) |
derivativedivides | \(-\frac {2 b}{5 x^{\frac {5}{2}}}-\frac {2 a}{3 x^{\frac {3}{2}}}\) | \(14\) |
default | \(-\frac {2 b}{5 x^{\frac {5}{2}}}-\frac {2 a}{3 x^{\frac {3}{2}}}\) | \(14\) |
trager | \(-\frac {2 \left (5 a x +3 b \right )}{15 x^{\frac {5}{2}}}\) | \(14\) |
risch | \(-\frac {2 \left (5 a x +3 b \right )}{15 x^{\frac {5}{2}}}\) | \(14\) |
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none
Time = 0.27 (sec) , antiderivative size = 13, normalized size of antiderivative = 0.62 \[ \int \frac {a+\frac {b}{x}}{x^{5/2}} \, dx=-\frac {2 \, {\left (5 \, a x + 3 \, b\right )}}{15 \, x^{\frac {5}{2}}} \]
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Time = 0.22 (sec) , antiderivative size = 20, normalized size of antiderivative = 0.95 \[ \int \frac {a+\frac {b}{x}}{x^{5/2}} \, dx=- \frac {2 a}{3 x^{\frac {3}{2}}} - \frac {2 b}{5 x^{\frac {5}{2}}} \]
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none
Time = 0.21 (sec) , antiderivative size = 13, normalized size of antiderivative = 0.62 \[ \int \frac {a+\frac {b}{x}}{x^{5/2}} \, dx=-\frac {2 \, a}{3 \, x^{\frac {3}{2}}} - \frac {2 \, b}{5 \, x^{\frac {5}{2}}} \]
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none
Time = 0.28 (sec) , antiderivative size = 13, normalized size of antiderivative = 0.62 \[ \int \frac {a+\frac {b}{x}}{x^{5/2}} \, dx=-\frac {2 \, {\left (5 \, a x + 3 \, b\right )}}{15 \, x^{\frac {5}{2}}} \]
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Time = 0.03 (sec) , antiderivative size = 13, normalized size of antiderivative = 0.62 \[ \int \frac {a+\frac {b}{x}}{x^{5/2}} \, dx=-\frac {6\,b+10\,a\,x}{15\,x^{5/2}} \]
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