engineering mathematics MCQ #991

What is the limit of (1 - cos(x)) / x² as x approaches 0?

engineering mathematics MCQ #991

  1. Question 1

    Q1. What is the limit of (1 - cos(x)) / x² as x approaches 0?

    • A) 0
    • B) 1 / 2
    • C) 1
    • D) undefined

    Answer: 1 / 2

    Explanation: Use L'Hopital's rule twice to get lim (x→0) (1 - cos(x)) / x² = 1 / 2.