engineering mathematics MCQ #740

If y = x³ - 2x² + x - 1, then d²y/dx² = ?

engineering mathematics MCQ #740

  1. Question 1

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

    • A) 6x - 4
    • B) 6x + 4
    • C) 3x² - 4x + 1
    • D) 3x² + 4x - 1

    Answer: 6x - 4

    Explanation: First derivative is 3x² - 4x + 1, and the second derivative is 6x - 4, obtained by differentiating term by term.