Question

O valor de lim x tende a - infinito 3x+2/ x²-5x+6 é:

Answer 1

Lim  (3x+2)/(x²-5x+6)
x-->-∞

Lim  x²*(3/x+2/x²)/[x²*(1-5/x+6/x²)]
x-->-∞

Lim  (3/x+2/x)/(1-5/x+6/x²) =[3/(-∞) +2/(-∞)]/[(1-5/(-∞)+6/(-∞)]
x-->-∞

=(0+0)/(1-0+0) =0/1 = 0  é a resposta