engineering mathematics MCQ #641

Find the derivative of x / (x + 1)

engineering mathematics MCQ #641

  1. Question 1

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

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

    Answer: 1 / (x + 1)²

    Explanation: Using quotient rule, d(x/(x + 1))/dx = ((x + 1)*1 - x*1) / (x + 1)² = 1 / (x + 1)²