Question

show that
$( \frac{n}{n + 2} ) \: is \: a \: cauchy \: sequence.$
​

Answer 1

Answer:

No difference. Just another way of stating a question. In Engelking's book "general topology" he uses "show" for easy proofs/examples, and "prove" for the hard ones. He also uses "note" (in exercises) for basically two line observations, often just for later reference (as exercises are an integral part of the text).

Explanation: