Integrand size = 13, antiderivative size = 34 \[ \int \frac {(a+b x)^2}{\sqrt {x}} \, dx=2 a^2 \sqrt {x}+\frac {4}{3} a b x^{3/2}+\frac {2}{5} b^2 x^{5/2} \]
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Time = 0.01 (sec) , antiderivative size = 34, 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 = {45} \[ \int \frac {(a+b x)^2}{\sqrt {x}} \, dx=2 a^2 \sqrt {x}+\frac {4}{3} a b x^{3/2}+\frac {2}{5} b^2 x^{5/2} \]
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Rule 45
Rubi steps \begin{align*} \text {integral}& = \int \left (\frac {a^2}{\sqrt {x}}+2 a b \sqrt {x}+b^2 x^{3/2}\right ) \, dx \\ & = 2 a^2 \sqrt {x}+\frac {4}{3} a b x^{3/2}+\frac {2}{5} b^2 x^{5/2} \\ \end{align*}
Time = 0.01 (sec) , antiderivative size = 28, normalized size of antiderivative = 0.82 \[ \int \frac {(a+b x)^2}{\sqrt {x}} \, dx=\frac {2}{15} \sqrt {x} \left (15 a^2+10 a b x+3 b^2 x^2\right ) \]
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Time = 0.05 (sec) , antiderivative size = 24, normalized size of antiderivative = 0.71
method | result | size |
trager | \(\left (\frac {2}{5} b^{2} x^{2}+\frac {4}{3} a b x +2 a^{2}\right ) \sqrt {x}\) | \(24\) |
gosper | \(\frac {2 \sqrt {x}\, \left (3 b^{2} x^{2}+10 a b x +15 a^{2}\right )}{15}\) | \(25\) |
derivativedivides | \(\frac {4 a b \,x^{\frac {3}{2}}}{3}+\frac {2 b^{2} x^{\frac {5}{2}}}{5}+2 a^{2} \sqrt {x}\) | \(25\) |
default | \(\frac {4 a b \,x^{\frac {3}{2}}}{3}+\frac {2 b^{2} x^{\frac {5}{2}}}{5}+2 a^{2} \sqrt {x}\) | \(25\) |
risch | \(\frac {2 \sqrt {x}\, \left (3 b^{2} x^{2}+10 a b x +15 a^{2}\right )}{15}\) | \(25\) |
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Time = 0.22 (sec) , antiderivative size = 24, normalized size of antiderivative = 0.71 \[ \int \frac {(a+b x)^2}{\sqrt {x}} \, dx=\frac {2}{15} \, {\left (3 \, b^{2} x^{2} + 10 \, a b x + 15 \, a^{2}\right )} \sqrt {x} \]
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Time = 0.11 (sec) , antiderivative size = 32, normalized size of antiderivative = 0.94 \[ \int \frac {(a+b x)^2}{\sqrt {x}} \, dx=2 a^{2} \sqrt {x} + \frac {4 a b x^{\frac {3}{2}}}{3} + \frac {2 b^{2} x^{\frac {5}{2}}}{5} \]
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Time = 0.22 (sec) , antiderivative size = 24, normalized size of antiderivative = 0.71 \[ \int \frac {(a+b x)^2}{\sqrt {x}} \, dx=\frac {2}{5} \, b^{2} x^{\frac {5}{2}} + \frac {4}{3} \, a b x^{\frac {3}{2}} + 2 \, a^{2} \sqrt {x} \]
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Time = 0.29 (sec) , antiderivative size = 24, normalized size of antiderivative = 0.71 \[ \int \frac {(a+b x)^2}{\sqrt {x}} \, dx=\frac {2}{5} \, b^{2} x^{\frac {5}{2}} + \frac {4}{3} \, a b x^{\frac {3}{2}} + 2 \, a^{2} \sqrt {x} \]
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Time = 0.04 (sec) , antiderivative size = 24, normalized size of antiderivative = 0.71 \[ \int \frac {(a+b x)^2}{\sqrt {x}} \, dx=\frac {2\,\sqrt {x}\,\left (15\,a^2+10\,a\,b\,x+3\,b^2\,x^2\right )}{15} \]
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