engineering mathematics MCQ #796

If y = x⁴ - 4x³ + 3, then d²y/dx² = ?

engineering mathematics MCQ #796

  1. Question 1

    Q1. If y = x⁴ - 4x³ + 3, then d²y/dx² = ?

    • A) 12x² - 24x
    • B) 4x³ - 12x²
    • C) 12x - 24
    • D) 4x - 12

    Answer: 12x² - 24x

    Explanation: First derivative, dy/dx = 4x³ - 12x². Second derivative, d²y/dx² = 12x² - 24x.