Contents

- 1 When can you use Lhopitals rule?
- 2 What if you can’t use L Hopital’s rule?
- 3 Can you use Lhopitals rule for 1 0?
- 4 Why does Lhopitals rule work?
- 5 What is the condition on a function to apply l hospital rule?
- 6 What are the 7 indeterminate forms?
- 7 Can you use L Hopital’s rule multiple times?
- 8 Can Mathway do Limits?
- 9 Can 0 be a limit?
- 10 Does every function have a limit?

## When can you use Lhopitals rule?

So, L’Hospital’s Rule tells us that if we have an indeterminate form 0/0 or ∞/∞ all we need to do is differentiate the numerator and differentiate the denominator and then take the limit.

## What if you can’t use L Hopital’s rule?

Attempted Solution Evaluate the limit in its current form. Notice that this limit is both indeterminate AND has the correct form for L’Hôpital’s Rule. Apply L’Hôpital’s rule to the limit, and then re-evaluate the limit. Apply L’Hôpital’s rule a second time, and re-evaluate the limit.

## Can you use Lhopitals rule for 1 0?

L- Hospital rule can only be applied when it in form of 0/0 or infinity/Infinity form or any form reducible to it.

## Why does Lhopitals rule work?

The tangent to the curve at the point t is given by [g′(t),f′(t)]. l’Hôpital’s rule then states that the slope of the tangent at 0 is the limit of the slopes of tangents at the points approaching zero.

## What is the condition on a function to apply l hospital rule?

L ‘ Hospital’s Rule only applies when the expression is indeterminate, i.e. 0/0 or (+/-infinity)/(+/-infinity). Hence, we have to stop applying the rule when you have a deductive form.

## What are the 7 indeterminate forms?

Indeterminate form 0/0

- 1: y = x x.
- 2: y = x
^{2}x. - 3: y = sin x x.
- 4: y = x − 49√x − 7 (for x = 49)
- 5: y = a x x where a = 2.
- 6: y = x x
^{3}

## Can you use L Hopital’s rule multiple times?

Yes L’Hospital’s rule can be applied more than once if it’s 0/0 or ∞/∞ form. In fact it’s easier to solve the problems using L’HOSPITAL’S rule. So, you can use the rule until it’s not of the form. Yes, it can be applied as many times you want to 7 or 8, doesn’t matter.

## Can Mathway do Limits?

The Limit Calculator supports find a limit as x approaches any number including infinity. The calculator will use the best method available so try out a lot of different types of problems. You can also get a better visual and understanding of the function by using our graphing tool.

## Can 0 be a limit?

When simply evaluating an equation 0 / 0 is undefined. However, in take the limit, if we get 0 / 0 we can get a variety of answers and the only way to know which on is correct is to actually compute the limit. Once again however note that we get the indeterminate form 0 / 0 if we try to just evaluate the limit.

## Does every function have a limit?

Thus for example if f(x)=x2 then we can talk about its limit at any point c without any problem. Thus to use your phrase ” functions can have an infinite number of limits “.