can somebody please explain this problem to me: lim [ (x(e^(-2x+1))) / ((x^2)+x)] x-->0 i get 0/0 = undefined but my teacher tells me that it is not correct. please help thank you
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Nevermind.
Last edited by Defunkt; October 9th 2009 at 07:49 AM.
Originally Posted by rahul14 lim [ (x(e^(-2x+1))) / ((x^2)+x)] x-->0
Originally Posted by rahul14 can somebody please explain this problem to me: lim [ (x(e^(-2x+1))) / ((x^2)+x)] x-->0 i get 0/0 = undefined but my teacher tells me that it is not correct. please help thank you do you mean if yes , then
Originally Posted by Defunkt Yes, is correct. Have you learned l'Hôpital's rule? No, 0/0 is NOT correct for the limit! It's not even a number. And I surely would not recommend "L'Hopital's rule" for something as simple as this. which is equal to as long as x is not 0. They have the same limit so just put x= 0 in
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