Question

Que. No. 5
The sequence ((-1)") is
A) Cauchy
B) convergent.
C) bounded.
D) increasing

Answer 1

So we define a sequence as a sequence an is said to converge to a number α provided that for every positive number ϵ there is a natural number N such that |an - α| < ϵ for all integers n ≥ N. For example, 1n converges to 0. ...