engineering mathematics MCQ #718

If y = x³ - 2x² + x - 1, then d²y/dx² at x = 0 is

engineering mathematics MCQ #718

  1. Question 1

    Q1. If y = x³ - 2x² + x - 1, then d²y/dx² at x = 0 is

    • A) -4
    • B) 0
    • C) 2
    • D) 6

    Answer: -4

    Explanation: First derivative is 3x² - 4x + 1, second derivative is 6x - 4, at x = 0, d²y/dx² = -4