engineering mathematics MCQ #705

If y = 1/x, then dy/dx = ?

engineering mathematics MCQ #705

  1. Question 1

    Q1. If y = 1/x, then dy/dx = ?

    • A) -1/x²
    • B) 1/x²
    • C) -1/x
    • D) 1/x

    Answer: -1/x²

    Explanation: Using the power rule, y = x^(-1), so dy/dx = -1x^(-2) = -1/x².