Question

lim x^3 -3x+2 / x^2 - 1 , com x tendendo 1

Answer 1

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Ola Jm

(x³ - 3x + 2)/((x - 1)*(x + 1)) = /x - 1)²*(x + 2)/(x + 1)*(x - 1)

= (x - 1)*(x + 2)/(x + 1)

lim⇒x=1 ⇒ (1 - 1)*(1 + 2)//1 + 1) = 0

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