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Calculus1 18 Online
OpenStudy (anonymous):

How do you find the limit for an equation that equals 0/0?

OpenStudy (anonymous):

Try to simplify algebraically or use l'Hospital's rule

OpenStudy (anonymous):

l'Hopital's rule. gotta love it

OpenStudy (anonymous):

would really help if you wrote the expression \(\frac{0}{0}\) is a form, not a number, so it could be almost anything

OpenStudy (anonymous):

it is entirely possible that you have not got to l'hopital yet, there are other methods

OpenStudy (anonymous):

Okay so the limit that I need to find is x-2/x^2-x-2 as x approaches 2. It equals 0/0 and I don't know how to solve it another way.

OpenStudy (anonymous):

factor out the denominator

OpenStudy (anonymous):

see, no need for l'hopital factor cancel replace \(x\) by \(2\)

OpenStudy (anonymous):

So the answer would be 1/3?

OpenStudy (anonymous):

What did you get when you factored?

OpenStudy (anonymous):

(x-2)/(x+1) (x-2)

OpenStudy (anonymous):

Okay 1/3 looks right

OpenStudy (anonymous):

Thank you!

OpenStudy (anonymous):

wait? is 0/0 an invalid form? or was it undefined?

OpenStudy (anonymous):

It was undefined.

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