engineering mathematics MCQ #847

If y = √(x), then dy/dx = ?

engineering mathematics MCQ #847

  1. Question 1

    Q1. If y = √(x), then dy/dx = ?

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

    Answer: 1/(2√x)

    Explanation: Rewriting √x as x^(1/2) and applying the power rule gives (1/2)x^(-1/2) = 1/(2√x).