Determine, se existir, os seguintes limites:
(a) lim x -1(-x^2-2 x+3)
(j) lim x -9(raiz-x-x-10)
(b) lim x 2 raiz7
(k) lim x 2^- x^2-2 xx^2-4 x+4
© lim x 0 5x-1
(l) lim x 1(1x-1+31-x^3)
(s) lim x 12 4 x^2-12 x-1
(d) lim x 3 3 x-9x-3
(m) lim x 1 x+raizx-2x^3-1
(t) lim t 0 raiz2-t-raiz2t
(u) lim x a (raizx-raiza)^2x-a
(e) lim x 4 x-4raizx-raiz2
(n) lim x 1 x^2-1|x-1|
(v) lim x 2 1x-12x-2
(f) lim a -2 raiza(a-1)
(o) lim h 0 (4+h)^2-16h
(w) lim x 1 raizx-x^21-raizx
(g) lim x -3 raizx^2+16-5x^2+3 x
§ lim x 9 x raizxx^2-1
(x) lim x 2|x^2-42-x|
(h) lim x 1 x^4-x^3-x^2+1x^2+x-2
(q) lim lambda 3 1-raiz1+lambdaraizlambda-1-lambda
(y) lim x 3 raiz(x-3)^2x-3
(i) lim x 1^- |x-1|x-1
® lim x 0 raiz2+3 x-raizx+2x+3 x^2
(z) lim t 0[1t raiz1+t-1t].

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