Questão 916665

𝑔 ′ (𝑥) = \(\frac{-\left(x^2+1\right)}{x^2+\left(x^2+1\right)^2}\) .

𝑔 ′ (𝑥) = \(\frac{-x^2+1}{x^2-\left(x^2+1\right)^2}\) .

𝑔 ′ (𝑥) = \(\frac{x^2+1}{x^2+\left(x^2+1\right)^2}\) .

𝑔 ′ (𝑥) = \(\frac{-x^2+1}{x^2+\left(x^2+1\right)^2}\)