Whats 111^250 :- ( sorry for the kinda hard question, I'm d u m b

Proceed as in example 3 in section 6.1 to rewrite the given expression using a single power series whose general term involves xk. ∞ n(n − 1)cnxn − 2 n = 2 − 4 ∞ ncnxn n = 1 + ∞ cnxn n = 0

Icould really use some with this question.

Describe how you can act financially responsible.