engineering mathematics MCQ #631

If y = ln(2x), then dy/dx = ?

engineering mathematics MCQ #631

  1. Question 1

    Q1. If y = ln(2x), then dy/dx = ?

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

    Answer: 1 / x

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