engineering mathematics MCQ #882

Find derivative of y = 1 / x

engineering mathematics MCQ #882

  1. Question 1

    Q1. Find derivative of y = 1 / x

    • A) -1 / x²
    • B) 1 / x²
    • C) -1 / (2x)
    • D) 1 / (2x)

    Answer: -1 / x²

    Explanation: Rewrite y = x^(-1), then dy/dx = -x^(-2) = -1 / x².