engineering mathematics MCQ #885

If f(x) = ln(2x), find f'(x)

engineering mathematics MCQ #885

  1. Question 1

    Q1. If f(x) = ln(2x), find f'(x)

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

    Answer: 1 / x

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