Question Detail
Question
Evaluate the limit of \( \frac{e^x + e^{-x}}{e^x - e^{-x}} \) as \( x \) tends to 0.
Correct Answer
Option C is the correct answer.
Detailed Explanation
Direct substitution gives ( \frac{1+1}{1-1} = \frac{2}{0} ), which is undefined.
Hint
Exercise 1.1, Question 22.