# Does Wolfram Alpha have a limit?

## Does Wolfram Alpha have a limit?

Wolfram|Alpha has the power to compute bidirectional limits, one-sided limits and multivariate limits. More information, such as plots and series expansions, is provided to enhance mathematical intuition about a limit.

**How do you find the limit if it exists?**

We can estimate the value of a limit, if it exists, by evaluating the function at values near x=0. We cannot find a function value for x=0 directly because the result would have a denominator equal to 0, and thus would be undefined.

### What are the limit rules?

The limit of a sum is equal to the sum of the limits. The limit of a difference is equal to the difference of the limits. The limit of a constant times a function is equal to the constant times the limit of the function. The limit of a product is equal to the product of the limits.

**What happens if a limit equals 0?**

As a general rule, when you are taking a limit and the denominator equals zero, the limit will go to infinity or negative infinity (depending on the sign of the function). So when would you put that a limit does not exist? When the one sided limits do not equal each other.

#### What is the limit of 0 over 0?

A number, you’re done. A number over zero or infinity over zero, the answer is infinity. A number over infinity, the answer is zero.

**Can a limit be a zero function?**

In order to say the limit exists, the function has to approach the same value regardless of which direction x comes from (We have referred to this as direction independence). Since that isn’t true for this function as x approaches 0, the limit does not exist.

## How does Wolfram Alpha solve the limit problem?

How Wolfram|Alpha solves limit problems Wolfram|Alpha calls Mathematica’s built-in function Limit to perform the computation, which doesn’t necessarily perform the computation the same as a human would. Usually, the Limit function uses powerful, general algorithms that often involve very sophisticated math.

**How to calculate the limit point x0 x 0?**

For functions of one real-valued variable, the limit point x0 x 0 can be approached from either the right/above (denoted lim x→x+ 0f (x) lim x → x 0 + f ( x)) or the left/below (denoted lim x→x− 0f (x) lim x → x 0 − f ( x) ).

### When do you use a limit in calculus?

Limits, a foundational tool in calculus, are used to determine whether a function or sequence approaches a fixed value as its argument or index approaches a given point. Limits can be defined for discrete sequences, functions of one or more real-valued arguments or complex-valued functions.

**Are there infinite ways to approach a limit point?**

For multivariate or complex-valued functions, an infinite number of ways to approach a limit point exist, and so these functions must pass more stringent criteria in order for a unique limit value to exist. In addition to the formal definition, there are other methods that aid in the computation of limits.