Mathematics, 12.04.2021 15:40 spellsaltoniza

Sejam x' e x'' as raízes da equação do 2° grau x² + 2x – 15 = 0. Determine a soma dos inversos de x' e x'' de seu inverso. A) 2/15
B) 15/2
C) -2/15
D) -15/2
E) NDA

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Sejam x' e x'' as raízes da equação do 2° grau x² + 2x – 15 = 0. Determine a soma dos inversos de x'...