Integrand size = 15, antiderivative size = 34 \[ \int \frac {1}{\left (\frac {c}{(a+b x)^{2/3}}\right )^{3/2}} \, dx=\frac {(a+b x)^{5/3}}{2 b c \sqrt {\frac {c}{(a+b x)^{2/3}}}} \]
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Time = 0.01 (sec) , antiderivative size = 34, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.200, Rules used = {253, 15, 30} \[ \int \frac {1}{\left (\frac {c}{(a+b x)^{2/3}}\right )^{3/2}} \, dx=\frac {(a+b x)^{5/3}}{2 b c \sqrt {\frac {c}{(a+b x)^{2/3}}}} \]
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Rule 15
Rule 30
Rule 253
Rubi steps \begin{align*} \text {integral}& = \frac {\text {Subst}\left (\int \frac {1}{\left (\frac {c}{x^{2/3}}\right )^{3/2}} \, dx,x,a+b x\right )}{b} \\ & = \frac {\text {Subst}(\int x \, dx,x,a+b x)}{b c \sqrt {\frac {c}{(a+b x)^{2/3}}} \sqrt [3]{a+b x}} \\ & = \frac {(a+b x)^{5/3}}{2 b c \sqrt {\frac {c}{(a+b x)^{2/3}}}} \\ \end{align*}
Time = 0.03 (sec) , antiderivative size = 34, normalized size of antiderivative = 1.00 \[ \int \frac {1}{\left (\frac {c}{(a+b x)^{2/3}}\right )^{3/2}} \, dx=\frac {x (2 a+b x)}{2 \left (\frac {c}{(a+b x)^{2/3}}\right )^{3/2} (a+b x)} \]
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Time = 0.07 (sec) , antiderivative size = 22, normalized size of antiderivative = 0.65
method | result | size |
derivativedivides | \(\frac {b x +a}{2 b \left (\frac {c}{\left (b x +a \right )^{\frac {2}{3}}}\right )^{\frac {3}{2}}}\) | \(22\) |
gosper | \(\frac {x \left (b x +2 a \right )}{2 \left (b x +a \right ) \left (\frac {c}{\left (b x +a \right )^{\frac {2}{3}}}\right )^{\frac {3}{2}}}\) | \(29\) |
default | \(\frac {x \left (b x +2 a \right )}{2 \left (b x +a \right ) \left (\frac {c}{\left (b x +a \right )^{\frac {2}{3}}}\right )^{\frac {3}{2}}}\) | \(29\) |
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none
Time = 0.28 (sec) , antiderivative size = 15, normalized size of antiderivative = 0.44 \[ \int \frac {1}{\left (\frac {c}{(a+b x)^{2/3}}\right )^{3/2}} \, dx=\frac {b x^{2} + 2 \, a x}{2 \, c^{\frac {3}{2}}} \]
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Leaf count of result is larger than twice the leaf count of optimal. 80 vs. \(2 (26) = 52\).
Time = 0.44 (sec) , antiderivative size = 80, normalized size of antiderivative = 2.35 \[ \int \frac {1}{\left (\frac {c}{(a+b x)^{2/3}}\right )^{3/2}} \, dx=\frac {2 a x}{2 a \left (\frac {c}{\left (a + b x\right )^{\frac {2}{3}}}\right )^{\frac {3}{2}} + 2 b x \left (\frac {c}{\left (a + b x\right )^{\frac {2}{3}}}\right )^{\frac {3}{2}}} + \frac {b x^{2}}{2 a \left (\frac {c}{\left (a + b x\right )^{\frac {2}{3}}}\right )^{\frac {3}{2}} + 2 b x \left (\frac {c}{\left (a + b x\right )^{\frac {2}{3}}}\right )^{\frac {3}{2}}} \]
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none
Time = 0.19 (sec) , antiderivative size = 15, normalized size of antiderivative = 0.44 \[ \int \frac {1}{\left (\frac {c}{(a+b x)^{2/3}}\right )^{3/2}} \, dx=\frac {b x^{2} + 2 \, a x}{2 \, c^{\frac {3}{2}}} \]
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Time = 0.32 (sec) , antiderivative size = 15, normalized size of antiderivative = 0.44 \[ \int \frac {1}{\left (\frac {c}{(a+b x)^{2/3}}\right )^{3/2}} \, dx=\frac {b x^{2} + 2 \, a x}{2 \, c^{\frac {3}{2}}} \]
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Time = 5.86 (sec) , antiderivative size = 42, normalized size of antiderivative = 1.24 \[ \int \frac {1}{\left (\frac {c}{(a+b x)^{2/3}}\right )^{3/2}} \, dx=\sqrt {\frac {c}{{\left (a+b\,x\right )}^{2/3}}}\,\left (\frac {a\,x\,{\left (a+b\,x\right )}^{1/3}}{c^2}+\frac {b\,x^2\,{\left (a+b\,x\right )}^{1/3}}{2\,c^2}\right ) \]
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