engineering mathematics MCQ #621

If y = ln(2x + 1), find dy/dx

engineering mathematics MCQ #621

  1. Question 1

    Q1. If y = ln(2x + 1), find dy/dx

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

    Answer: 2 / (2x + 1)

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