Integrand size = 13, antiderivative size = 14 \[ \int \frac {\pi }{\sqrt {16-e^2}} \, dx=\frac {\pi x}{\sqrt {16-e^2}} \]
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Time = 0.00 (sec) , antiderivative size = 14, normalized size of antiderivative = 1.00, number of steps used = 1, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.077, Rules used = {8} \[ \int \frac {\pi }{\sqrt {16-e^2}} \, dx=\frac {\pi x}{\sqrt {16-e^2}} \]
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Rule 8
Rubi steps \begin{align*} \text {integral}& = \frac {\pi x}{\sqrt {16-e^2}} \\ \end{align*}
Time = 0.00 (sec) , antiderivative size = 14, normalized size of antiderivative = 1.00 \[ \int \frac {\pi }{\sqrt {16-e^2}} \, dx=\frac {\pi x}{\sqrt {16-e^2}} \]
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Time = 0.17 (sec) , antiderivative size = 12, normalized size of antiderivative = 0.86
method | result | size |
default | \(\frac {\pi x}{\sqrt {16-{\mathrm e}^{2}}}\) | \(12\) |
parallelrisch | \(\frac {\pi x}{\sqrt {16-{\mathrm e}^{2}}}\) | \(12\) |
norman | \(-\frac {\pi \sqrt {16-{\mathrm e}^{2}}\, x}{-16+{\mathrm e}^{2}}\) | \(19\) |
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none
Time = 0.22 (sec) , antiderivative size = 18, normalized size of antiderivative = 1.29 \[ \int \frac {\pi }{\sqrt {16-e^2}} \, dx=-\frac {\pi x \sqrt {-e^{2} + 16}}{e^{2} - 16} \]
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Time = 0.01 (sec) , antiderivative size = 10, normalized size of antiderivative = 0.71 \[ \int \frac {\pi }{\sqrt {16-e^2}} \, dx=\frac {\pi x}{\sqrt {16 - e^{2}}} \]
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none
Time = 0.21 (sec) , antiderivative size = 11, normalized size of antiderivative = 0.79 \[ \int \frac {\pi }{\sqrt {16-e^2}} \, dx=\frac {\pi x}{\sqrt {-e^{2} + 16}} \]
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none
Time = 0.32 (sec) , antiderivative size = 11, normalized size of antiderivative = 0.79 \[ \int \frac {\pi }{\sqrt {16-e^2}} \, dx=\frac {\pi x}{\sqrt {-e^{2} + 16}} \]
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Time = 0.00 (sec) , antiderivative size = 11, normalized size of antiderivative = 0.79 \[ \int \frac {\pi }{\sqrt {16-e^2}} \, dx=\frac {\Pi \,x}{\sqrt {16-{\mathrm {e}}^2}} \]
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