f(x) = rac(x+1)^2 + (x-1)^2(x-1)(x+1) - 2 = rac2x^2 + 2x^2 - 1 - 2 = 2\left( racx^2 + 1x^2 - 1 - 1 - Portal da Acústica
Mar 01, 2026
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