Is ∞ considered defined?
43309
What exactly is infinity?
49929
If $ \lim_{n \to \infty} (2 x_{n + 1} - x_{n}) = x $, then is it true that $ \lim_{n \to \infty} x_{n} = x $?
106881
Does "finite" include zero?
49982
Closed expression for infinite series
91310
Does a limit point always exist?
156950
Why do some people use $+\infty$ instead of $\infty$?
15690
Is a function defined at a single point continuous?
21670
Why does an infinite limit not exist?
139974
how to find epsilon-delta definition of a limit
77764
Is "$a + 0i$" in every way equal to just "$a$"?
68411
Indeterminate form limits question
54304
How to make sense out of the $\epsilon-\delta$ definition of a limit?
109091
Why do non-constant periodic functions have no limit at infinity?
68752
A few questions about infinite derivative.
27567
What is zero times infinity?
73812
Does $\lim \limits_ {n\to \infty}\ \frac{n}{n+1}$ equal $1$?
38692
Please clear up this misunderstanding I have involving limits.