Question

In: Advanced Math

Let (sn) be a sequence that converges. (a) Show that if sn ≥ a for all...

Let (sn) be a sequence that converges.

(a) Show that if sn ≥ a for all but finitely many n, then lim sn ≥ a.

(b) Show that if sn ≤ b for all but finitely many n, then lim sn ≤ b.

(c) Conclude that if all but finitely many sn belong to [a,b], then lim sn belongs to [a, b].

Solutions

Expert Solution

Here, first we prove the first part , further using this we prove the part (b), (c).

of a and b are disjoint.

Now part b:

Now part d:

Thus we are done!


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