Limit as x->2 (1 Viewer)

[mrpotatoed]

How do you prove that the limit of (x-4)/(x-2) is 4, as x approaches 2? Full working please if possible!

 

[anomalousdecay]

Either the question is wrong or you read the question wrong.

It should be

 

[Nailgun]

http://www.wolframalpha.com/input/?i=lim+as+x->2+((x-4)/(x-2)

 

[anomalousdecay]

Yeah Matlab gave me the same results after I thought I was stuffing up and kept getting infinity using different methods.

 

[leehuan]

Either the question is wrong or you read the question wrong.

It should be

You accidentally made it a limit to infinity

 

[mrpotatoed]

yeah lecture slide was wrong should be x^2

 

[Nailgun]

yeah lecture slide was wrong should be x^2

you've got it now yeah?

 

[anomalousdecay]

yeah oops limit error lol. damn cold