engineering mathematics MCQ #716

If f(x) = √x, then f'(x) is

engineering mathematics MCQ #716

  1. Question 1

    Q1. If f(x) = √x, then f'(x) is

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

    Answer: 1 / (2√x)

    Explanation: Using power rule, f'(x) = d(x^(1/2))/dx = 1/2 x^(-1/2) = 1 / (2√x)