# New post in Limits

## How to use L'Hospital's rule when limit is undefined?

August 20th, 2022

## Why is $f(x) = \sqrt{x}$ is continuous at $x=0$? Does $\lim_{x \to 0^{-}} \sqrt{x}$ exist?

August 16th, 2022

## prove that sequence of rationals goes to infinity

November 10th, 2022

## Unknown limit result, $\lim_{n\to \infty} n/a^n$

October 27th, 2022

July 22nd, 2022

## Showing $\lim_{(x,y) \to (0,0)} \sin (xy) / xy = 1$

October 2nd, 2022

## Finding $\lim_{x \rightarrow \frac{1}{4} \pi } \frac{\tan x-\cot x}{x-\frac{1}{4} \pi }$.

September 23rd, 2022

August 1st, 2022

May 20th, 2020

July 11th, 2020

August 1st, 2022

June 3rd, 2020

August 1st, 2022

August 1st, 2022

April 26th, 2020

August 1st, 2022

## Why can you cancel zero terms in the numerator and denominator of limits?

January 5th, 2022

August 1st, 2022

## How's g(x) = sin(x)/x removal discontinuity?

February 22nd, 2021

## Infinity divided by infinity

December 26th, 2020

## Show $f$ is continuous at $(0,0)$ if $f(x,y) = \frac{x^3\sin(x+y) - y^4\ln(x^2+y^2)}{x^2+y^2}$ for $(x,y) \neq (0,0)$ and $f(0,0)=0$

January 24th, 2020

June 15th, 2020

April 6th, 2020

August 1st, 2022

## Find limit when $\theta$ tends to $0$ of $\tan(\theta) /\theta$

January 28th, 2020

## How do I evaluate left and right limits?

November 5th, 2020

## Finding slope of a curve by finding the limits of secant slopes

January 29th, 2020

## Show that a sequence $\{s_n\}$ converges to a limit $L$ if and only if the sequence $\{s_n-L\}$ converges to zero.

January 3rd, 2020

## Square root of Sequence approaches square root value.

September 11th, 2020

June 10th, 2020