Monday
May 25, 2015

Homework Help: Calculus

Posted by S on Wednesday, January 22, 2014 at 1:20pm.

Find the limit.

lim 5-x/(x^2-25)
x-->5

Here is the work I have so far:

lim 5-x/(x^2-25) = lim 5-x/(x-5)(x+5)
x-->5 x-->5

lim (1/x+5) = lim 1/10
x-->5 x-->5


I just wanted to double check with someone and see if the answer is supposed to be positive or negative. For the lim The answer I received is
x-->5 positive 1/10

Please confirm with me if this answer is correct! Thank you!

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