Answer
$\lim\limits_{x\to5^+}\dfrac{x-5}{x^2-25}=\dfrac{1}{10}.$
Work Step by Step
$\lim\limits_{x\to5^+}\dfrac{x-5}{x^2-25}=\lim\limits_{x\to5^+}\dfrac{x-5}{(x-5)(x+5)}$
$=\lim\limits_{x\to5^+}\dfrac{1}{x+5}=\dfrac{1}{5+5}=\dfrac{1}{10}.$
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.