engineering mathematics MCQ #915

If f(x) = √x, then f'(x) = ?

engineering mathematics MCQ #915

  1. Question 1

    Q1. If f(x) = √x, then f'(x) = ?

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

    Answer: 1 / (2√x)

    Explanation: Rewrite √x as x^(1/2) and apply the power rule, giving f'(x) = 1/2 * x^(-1/2) = 1 / (2√x).