Integrand size = 7, antiderivative size = 11 \[ \int (-2+7 x)^3 \, dx=\frac {1}{28} (2-7 x)^4 \]
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Time = 0.00 (sec) , antiderivative size = 11, normalized size of antiderivative = 1.00, number of steps used = 1, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.143, Rules used = {32} \[ \int (-2+7 x)^3 \, dx=\frac {1}{28} (2-7 x)^4 \]
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Rule 32
Rubi steps \begin{align*} \text {integral}& = \frac {1}{28} (2-7 x)^4 \\ \end{align*}
Time = 0.00 (sec) , antiderivative size = 11, normalized size of antiderivative = 1.00 \[ \int (-2+7 x)^3 \, dx=\frac {1}{28} (-2+7 x)^4 \]
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Time = 0.80 (sec) , antiderivative size = 10, normalized size of antiderivative = 0.91
method | result | size |
default | \(\frac {\left (-2+7 x \right )^{4}}{28}\) | \(10\) |
gosper | \(\frac {343}{4} x^{4}-98 x^{3}+42 x^{2}-8 x\) | \(20\) |
norman | \(\frac {343}{4} x^{4}-98 x^{3}+42 x^{2}-8 x\) | \(20\) |
parallelrisch | \(\frac {343}{4} x^{4}-98 x^{3}+42 x^{2}-8 x\) | \(20\) |
risch | \(\frac {343}{4} x^{4}-98 x^{3}+42 x^{2}-8 x +\frac {4}{7}\) | \(21\) |
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Leaf count of result is larger than twice the leaf count of optimal. 19 vs. \(2 (9) = 18\).
Time = 0.23 (sec) , antiderivative size = 19, normalized size of antiderivative = 1.73 \[ \int (-2+7 x)^3 \, dx=\frac {343}{4} \, x^{4} - 98 \, x^{3} + 42 \, x^{2} - 8 \, x \]
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Leaf count of result is larger than twice the leaf count of optimal. 19 vs. \(2 (7) = 14\).
Time = 0.02 (sec) , antiderivative size = 19, normalized size of antiderivative = 1.73 \[ \int (-2+7 x)^3 \, dx=\frac {343 x^{4}}{4} - 98 x^{3} + 42 x^{2} - 8 x \]
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Leaf count of result is larger than twice the leaf count of optimal. 19 vs. \(2 (9) = 18\).
Time = 0.18 (sec) , antiderivative size = 19, normalized size of antiderivative = 1.73 \[ \int (-2+7 x)^3 \, dx=\frac {343}{4} \, x^{4} - 98 \, x^{3} + 42 \, x^{2} - 8 \, x \]
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none
Time = 0.26 (sec) , antiderivative size = 9, normalized size of antiderivative = 0.82 \[ \int (-2+7 x)^3 \, dx=\frac {1}{28} \, {\left (7 \, x - 2\right )}^{4} \]
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Time = 0.08 (sec) , antiderivative size = 9, normalized size of antiderivative = 0.82 \[ \int (-2+7 x)^3 \, dx=\frac {{\left (7\,x-2\right )}^4}{28} \]
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