Integrand size = 15, antiderivative size = 66 \[ \int \frac {\left (a+b \sqrt {x}\right )^5}{x^3} \, dx=-\frac {a^5}{2 x^2}-\frac {10 a^4 b}{3 x^{3/2}}-\frac {10 a^3 b^2}{x}-\frac {20 a^2 b^3}{\sqrt {x}}+2 b^5 \sqrt {x}+5 a b^4 \log (x) \]
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Time = 0.03 (sec) , antiderivative size = 66, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.133, Rules used = {272, 45} \[ \int \frac {\left (a+b \sqrt {x}\right )^5}{x^3} \, dx=-\frac {a^5}{2 x^2}-\frac {10 a^4 b}{3 x^{3/2}}-\frac {10 a^3 b^2}{x}-\frac {20 a^2 b^3}{\sqrt {x}}+5 a b^4 \log (x)+2 b^5 \sqrt {x} \]
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Rule 45
Rule 272
Rubi steps \begin{align*} \text {integral}& = 2 \text {Subst}\left (\int \frac {(a+b x)^5}{x^5} \, dx,x,\sqrt {x}\right ) \\ & = 2 \text {Subst}\left (\int \left (b^5+\frac {a^5}{x^5}+\frac {5 a^4 b}{x^4}+\frac {10 a^3 b^2}{x^3}+\frac {10 a^2 b^3}{x^2}+\frac {5 a b^4}{x}\right ) \, dx,x,\sqrt {x}\right ) \\ & = -\frac {a^5}{2 x^2}-\frac {10 a^4 b}{3 x^{3/2}}-\frac {10 a^3 b^2}{x}-\frac {20 a^2 b^3}{\sqrt {x}}+2 b^5 \sqrt {x}+5 a b^4 \log (x) \\ \end{align*}
Time = 0.06 (sec) , antiderivative size = 69, normalized size of antiderivative = 1.05 \[ \int \frac {\left (a+b \sqrt {x}\right )^5}{x^3} \, dx=\frac {-3 a^5-20 a^4 b \sqrt {x}-60 a^3 b^2 x-120 a^2 b^3 x^{3/2}+12 b^5 x^{5/2}}{6 x^2}+10 a b^4 \log \left (\sqrt {x}\right ) \]
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Time = 3.61 (sec) , antiderivative size = 57, normalized size of antiderivative = 0.86
method | result | size |
derivativedivides | \(-\frac {a^{5}}{2 x^{2}}-\frac {10 a^{4} b}{3 x^{\frac {3}{2}}}-\frac {10 a^{3} b^{2}}{x}+5 a \,b^{4} \ln \left (x \right )-\frac {20 a^{2} b^{3}}{\sqrt {x}}+2 b^{5} \sqrt {x}\) | \(57\) |
default | \(-\frac {a^{5}}{2 x^{2}}-\frac {10 a^{4} b}{3 x^{\frac {3}{2}}}-\frac {10 a^{3} b^{2}}{x}+5 a \,b^{4} \ln \left (x \right )-\frac {20 a^{2} b^{3}}{\sqrt {x}}+2 b^{5} \sqrt {x}\) | \(57\) |
trager | \(\frac {\left (-1+x \right ) \left (a^{2} x +20 b^{2} x +a^{2}\right ) a^{3}}{2 x^{2}}-\frac {2 \left (-3 b^{4} x^{2}+30 a^{2} b^{2} x +5 a^{4}\right ) b}{3 x^{\frac {3}{2}}}+5 a \,b^{4} \ln \left (x \right )\) | \(65\) |
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Time = 0.28 (sec) , antiderivative size = 62, normalized size of antiderivative = 0.94 \[ \int \frac {\left (a+b \sqrt {x}\right )^5}{x^3} \, dx=\frac {60 \, a b^{4} x^{2} \log \left (\sqrt {x}\right ) - 60 \, a^{3} b^{2} x - 3 \, a^{5} + 4 \, {\left (3 \, b^{5} x^{2} - 30 \, a^{2} b^{3} x - 5 \, a^{4} b\right )} \sqrt {x}}{6 \, x^{2}} \]
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Time = 0.20 (sec) , antiderivative size = 65, normalized size of antiderivative = 0.98 \[ \int \frac {\left (a+b \sqrt {x}\right )^5}{x^3} \, dx=- \frac {a^{5}}{2 x^{2}} - \frac {10 a^{4} b}{3 x^{\frac {3}{2}}} - \frac {10 a^{3} b^{2}}{x} - \frac {20 a^{2} b^{3}}{\sqrt {x}} + 5 a b^{4} \log {\left (x \right )} + 2 b^{5} \sqrt {x} \]
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Time = 0.21 (sec) , antiderivative size = 57, normalized size of antiderivative = 0.86 \[ \int \frac {\left (a+b \sqrt {x}\right )^5}{x^3} \, dx=5 \, a b^{4} \log \left (x\right ) + 2 \, b^{5} \sqrt {x} - \frac {120 \, a^{2} b^{3} x^{\frac {3}{2}} + 60 \, a^{3} b^{2} x + 20 \, a^{4} b \sqrt {x} + 3 \, a^{5}}{6 \, x^{2}} \]
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Time = 0.27 (sec) , antiderivative size = 58, normalized size of antiderivative = 0.88 \[ \int \frac {\left (a+b \sqrt {x}\right )^5}{x^3} \, dx=5 \, a b^{4} \log \left ({\left | x \right |}\right ) + 2 \, b^{5} \sqrt {x} - \frac {120 \, a^{2} b^{3} x^{\frac {3}{2}} + 60 \, a^{3} b^{2} x + 20 \, a^{4} b \sqrt {x} + 3 \, a^{5}}{6 \, x^{2}} \]
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Time = 0.05 (sec) , antiderivative size = 59, normalized size of antiderivative = 0.89 \[ \int \frac {\left (a+b \sqrt {x}\right )^5}{x^3} \, dx=2\,b^5\,\sqrt {x}-\frac {\frac {a^5}{2}+10\,a^3\,b^2\,x+\frac {10\,a^4\,b\,\sqrt {x}}{3}+20\,a^2\,b^3\,x^{3/2}}{x^2}+10\,a\,b^4\,\ln \left (\sqrt {x}\right ) \]
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