engineering mathematics MCQ #893

Find the derivative of f(x) = (2x + 1) / (x + 1)

engineering mathematics MCQ #893

  1. Question 1

    Q1. Find the derivative of f(x) = (2x + 1) / (x + 1)

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

    Answer: 1 / (x + 1)²

    Explanation: Apply the quotient rule: f'(x) = ((2)(x+1) - (2x+1)(1)) / (x+1)² = 1 / (x + 1)².