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

How to Prove limit does not Exists

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

Limit of $\cos(1/x^2)$ as $x$ tends to $0$

August 1st, 2022

Evaluate $xe^x$ when x tends to minus infinity.

May 20th, 2020

Solving a problem using the definition of limit

July 11th, 2020

What does it mean for a limit to not exist?

August 1st, 2022

Find the limit or show that it does not exist

June 3rd, 2020

Is a uniformly continuous functions bounded?

August 1st, 2022

How to prove a limit exists using delta and epsilon?

August 1st, 2022

What is the $\lim _{x→\infty}(0.5)^x$?

April 26th, 2020

Find limit of $x^2/e^x$ as x approaches infinity

August 1st, 2022

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

January 5th, 2022

Limit $\lim_{x\to 1} {\left((1 + 3x) \over (1 + 4x^2 + 3x^4)\right)}^3$

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

Evaluating limits with variable exponent and an exponent function with fraction

June 15th, 2020

Choose constants a and b so that the function is continuous everywhere!

April 6th, 2020

Peak points and a decreasing subsequence

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

Integration of 1/x as a limit of a sum

June 10th, 2020