Integrand size = 15, antiderivative size = 26 \[ \int \frac {1}{\left (3 i x+4 x^2\right )^{3/2}} \, dx=\frac {2 (3 i+8 x)}{9 \sqrt {3 i x+4 x^2}} \]
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Time = 0.00 (sec) , antiderivative size = 26, normalized size of antiderivative = 1.00, number of steps used = 1, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.067, Rules used = {627} \[ \int \frac {1}{\left (3 i x+4 x^2\right )^{3/2}} \, dx=\frac {2 (8 x+3 i)}{9 \sqrt {4 x^2+3 i x}} \]
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Rule 627
Rubi steps \begin{align*} \text {integral}& = \frac {2 (3 i+8 x)}{9 \sqrt {3 i x+4 x^2}} \\ \end{align*}
Time = 0.08 (sec) , antiderivative size = 24, normalized size of antiderivative = 0.92 \[ \int \frac {1}{\left (3 i x+4 x^2\right )^{3/2}} \, dx=\frac {2 (3 i+8 x)}{9 \sqrt {x (3 i+4 x)}} \]
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Time = 1.80 (sec) , antiderivative size = 19, normalized size of antiderivative = 0.73
method | result | size |
risch | \(\frac {\frac {2 i}{3}+\frac {16 x}{9}}{\sqrt {x \left (3 i+4 x \right )}}\) | \(19\) |
pseudoelliptic | \(\frac {\frac {2 i}{3}+\frac {16 x}{9}}{\sqrt {x \left (3 i+4 x \right )}}\) | \(19\) |
default | \(\frac {\frac {2 i}{3}+\frac {16 x}{9}}{\sqrt {4 x^{2}+3 i x}}\) | \(21\) |
gosper | \(\frac {2 x \left (3 i+4 x \right ) \left (3 i+8 x \right )}{9 \left (4 x^{2}+3 i x \right )^{\frac {3}{2}}}\) | \(28\) |
trager | \(\frac {\left (-\frac {14}{225}+\frac {16 i}{75}\right ) \left (24 i x +32 x +12 i-9\right ) \sqrt {4 x^{2}+3 i x}}{x \left (12 i x -16 x -12 i-9\right )}\) | \(44\) |
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Both result and optimal contain complex but leaf count of result is larger than twice the leaf count of optimal. 39 vs. \(2 (18) = 36\).
Time = 0.27 (sec) , antiderivative size = 39, normalized size of antiderivative = 1.50 \[ \int \frac {1}{\left (3 i x+4 x^2\right )^{3/2}} \, dx=\frac {2 \, {\left (16 \, x^{2} + \sqrt {4 \, x^{2} + 3 i \, x} {\left (8 \, x + 3 i\right )} + 12 i \, x\right )}}{9 \, {\left (4 \, x^{2} + 3 i \, x\right )}} \]
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\[ \int \frac {1}{\left (3 i x+4 x^2\right )^{3/2}} \, dx=\int \frac {1}{\left (4 x^{2} + 3 i x\right )^{\frac {3}{2}}}\, dx \]
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none
Time = 0.19 (sec) , antiderivative size = 28, normalized size of antiderivative = 1.08 \[ \int \frac {1}{\left (3 i x+4 x^2\right )^{3/2}} \, dx=\frac {16 \, x}{9 \, \sqrt {4 \, x^{2} + 3 i \, x}} + \frac {2 i}{3 \, \sqrt {4 \, x^{2} + 3 i \, x}} \]
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Both result and optimal contain complex but leaf count of result is larger than twice the leaf count of optimal. 64 vs. \(2 (18) = 36\).
Time = 0.29 (sec) , antiderivative size = 64, normalized size of antiderivative = 2.46 \[ \int \frac {1}{\left (3 i x+4 x^2\right )^{3/2}} \, dx=\frac {\sqrt {8 \, x^{2} + 2 \, \sqrt {16 \, x^{2} + 9} x} {\left (8 \, x + 3 i\right )} {\left (\frac {3 i \, x}{4 \, x^{2} + \sqrt {16 \, x^{4} + 9 \, x^{2}}} + 1\right )}}{9 \, {\left (4 \, x^{2} + 3 i \, x\right )}} \]
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Time = 0.04 (sec) , antiderivative size = 20, normalized size of antiderivative = 0.77 \[ \int \frac {1}{\left (3 i x+4 x^2\right )^{3/2}} \, dx=\frac {16\,x+6{}\mathrm {i}}{9\,\sqrt {4\,x^2+x\,3{}\mathrm {i}}} \]
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