engineering mathematics MCQ #726

If f(x) = ln(x²), then f'(x) is

engineering mathematics MCQ #726

  1. Question 1

    Q1. If f(x) = ln(x²), then f'(x) is

    • A) 2 / x
    • B) 1 / x
    • C) 2x / x²
    • D) 1 / x²

    Answer: 2 / x

    Explanation: Using chain rule, f'(x) = 1 / x² * d(x²)/dx = 1 / x² * 2x = 2 / x