g'(v) = \frac4(v - 1)^2 - 4v \cdot 2(v - 1)(v - 1)^4 = \frac4(v - 1)[(v - 1) - 2v](v - 1)^4 = \frac4(-v - 1)(v - 1)^3 - Portal da Acústica
Mar 01, 2026
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