Calcule o limite, se existir
(a) lim x 2 x^2+x-6x-2
(b) lim x 4 x^2+5 x+4x^2+3 x-4
© lim x -1 x^2-4 xx^2-3 x-4
(d) lim x -3 x^2-92 x^2+7 x+3
(e) lim x -1 2 x^2+3 x+1x^2-2 x-3
(f) lim x 0 (-5+x)^2-25x
(g) lim x 0 (2+x)^3-8x
(h) lim x -2 x+2x^3+8
(i) lim x -1 x^4-1x^3-1
(j) lim x 0 raiz9+x-3x
(k) lim x 0 raiz1+x-raiz1-xx
(l) lim x -1 4-raizx16 x-x^2
(m) lim x 0 (-5+x)^2-25x
(n) lim x 0 (-5+x)^2-25x
(o) lim x -1(1x-1x^2+1)
§ lim x -1 4-raizx16 x-x^2

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