engineering mathematics MCQ #818

If f(x) = (x + 1) / (x - 1), then f'(1) = ?

engineering mathematics MCQ #818

  1. Question 1

    Q1. If f(x) = (x + 1) / (x - 1), then f'(1) = ?

    • A) Does not exist
    • B) -2
    • C) 0
    • D) 1

    Answer: Does not exist

    Explanation: The function is not defined at x = 1, hence its derivative at x = 1 does not exist.