engineering mathematics MCQ #812

If f(x) = √(x + 1), then f'(x) = ?

engineering mathematics MCQ #812

  1. Question 1

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

    • A) 1 / (2√(x + 1))
    • B) 1 / √(x + 1)
    • C) √(x + 1) / 2
    • D) 1 / (x + 1)

    Answer: 1 / (2√(x + 1))

    Explanation: Rewrite f(x) as (x + 1)^(1/2) and apply the power rule for differentiation.