Question

a cauchy sequence of real numbers is what?​

Answer 1

Answer:

see below

Step-by-step explanation:

A sequence {xn} of real numbers is said to be Cauchy sequence if for every ε > 0 there exists N ∈ N such that if n,m>N ⇒ |xn − xm| < ε. A sequence is Cauchy if the terms eventually get arbitrarily close to each other.