(6) Find the limit infimum and limit supremum of the following. Write a brief and concise solution/justification after the table. (5 points) Xn lim inf (Xn) lim sup(Xn) Xn = 3 - (-1)" Property Xn = Cos na 2 Xn = VI+n2 2n-5 Xn = where (Un) is bounded Xn = n(1+ (-1)") + n"'((-1)" - 1)