Integrand size = 28, antiderivative size = 15 \[ \int \frac {-52+e^{3 x/4} (-16+3 x)}{64-32 x+4 x^2} \, dx=\frac {13+e^{3 x/4}}{-4+x} \]
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Time = 0.07 (sec) , antiderivative size = 26, normalized size of antiderivative = 1.73, number of steps used = 5, number of rules used = 4, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.143, Rules used = {27, 12, 6874, 2228} \[ \int \frac {-52+e^{3 x/4} (-16+3 x)}{64-32 x+4 x^2} \, dx=-\frac {e^{3 x/4}}{4-x}-\frac {13}{4-x} \]
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Rule 12
Rule 27
Rule 2228
Rule 6874
Rubi steps \begin{align*} \text {integral}& = \int \frac {-52+e^{3 x/4} (-16+3 x)}{4 (-4+x)^2} \, dx \\ & = \frac {1}{4} \int \frac {-52+e^{3 x/4} (-16+3 x)}{(-4+x)^2} \, dx \\ & = \frac {1}{4} \int \left (-\frac {52}{(-4+x)^2}+\frac {e^{3 x/4} (-16+3 x)}{(-4+x)^2}\right ) \, dx \\ & = -\frac {13}{4-x}+\frac {1}{4} \int \frac {e^{3 x/4} (-16+3 x)}{(-4+x)^2} \, dx \\ & = -\frac {13}{4-x}-\frac {e^{3 x/4}}{4-x} \\ \end{align*}
Time = 0.34 (sec) , antiderivative size = 15, normalized size of antiderivative = 1.00 \[ \int \frac {-52+e^{3 x/4} (-16+3 x)}{64-32 x+4 x^2} \, dx=\frac {13+e^{3 x/4}}{-4+x} \]
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Time = 0.79 (sec) , antiderivative size = 13, normalized size of antiderivative = 0.87
method | result | size |
norman | \(\frac {{\mathrm e}^{\frac {3 x}{4}}+13}{x -4}\) | \(13\) |
parallelrisch | \(\frac {52+4 \,{\mathrm e}^{\frac {3 x}{4}}}{4 x -16}\) | \(16\) |
risch | \(\frac {13}{x -4}+\frac {{\mathrm e}^{\frac {3 x}{4}}}{x -4}\) | \(19\) |
parts | \(\frac {13}{x -4}+\frac {3 \,{\mathrm e}^{\frac {3 x}{4}}}{4 \left (\frac {3 x}{4}-3\right )}\) | \(22\) |
derivativedivides | \(\frac {39}{4 \left (\frac {3 x}{4}-3\right )}+\frac {3 \,{\mathrm e}^{\frac {3 x}{4}}}{4 \left (\frac {3 x}{4}-3\right )}\) | \(24\) |
default | \(\frac {39}{4 \left (\frac {3 x}{4}-3\right )}+\frac {3 \,{\mathrm e}^{\frac {3 x}{4}}}{4 \left (\frac {3 x}{4}-3\right )}\) | \(24\) |
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Time = 0.27 (sec) , antiderivative size = 12, normalized size of antiderivative = 0.80 \[ \int \frac {-52+e^{3 x/4} (-16+3 x)}{64-32 x+4 x^2} \, dx=\frac {e^{\left (\frac {3}{4} \, x\right )} + 13}{x - 4} \]
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Time = 0.06 (sec) , antiderivative size = 14, normalized size of antiderivative = 0.93 \[ \int \frac {-52+e^{3 x/4} (-16+3 x)}{64-32 x+4 x^2} \, dx=\frac {e^{\frac {3 x}{4}}}{x - 4} + \frac {13}{x - 4} \]
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\[ \int \frac {-52+e^{3 x/4} (-16+3 x)}{64-32 x+4 x^2} \, dx=\int { \frac {{\left (3 \, x - 16\right )} e^{\left (\frac {3}{4} \, x\right )} - 52}{4 \, {\left (x^{2} - 8 \, x + 16\right )}} \,d x } \]
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Time = 0.29 (sec) , antiderivative size = 12, normalized size of antiderivative = 0.80 \[ \int \frac {-52+e^{3 x/4} (-16+3 x)}{64-32 x+4 x^2} \, dx=\frac {e^{\left (\frac {3}{4} \, x\right )} + 13}{x - 4} \]
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Time = 0.10 (sec) , antiderivative size = 12, normalized size of antiderivative = 0.80 \[ \int \frac {-52+e^{3 x/4} (-16+3 x)}{64-32 x+4 x^2} \, dx=\frac {{\mathrm {e}}^{\frac {3\,x}{4}}+13}{x-4} \]
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