engineering mathematics MCQ #639

Find the derivative of 1 / (x + 1)

engineering mathematics MCQ #639

  1. Question 1

    Q1. Find the derivative of 1 / (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 or chain rule, d(1/(x + 1))/dx = -1/(x + 1)² * d(x + 1)/dx = -1 / (x + 1)²