engineering mathematics MCQ #800

If y = 2x + 1 / x, then dy/dx = ?

engineering mathematics MCQ #800

  1. Question 1

    Q1. If y = 2x + 1 / x, then dy/dx = ?

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

    Answer: 2 - 1 / x²

    Explanation: Differentiating term by term, dy/dx = d(2x)/dx + d(1/x)/dx = 2 - 1/x².