engineering mathematics MCQ #872

If y = 2x³ + 5x² - 3x + 1, find dy/dx at x = 1

engineering mathematics MCQ #872

  1. Question 1

    Q1. If y = 2x³ + 5x² - 3x + 1, find dy/dx at x = 1

    • A) 4
    • B) 10
    • C) 13
    • D) 16

    Answer: 13

    Explanation: Using power rule for differentiation, dy/dx = 6x² + 10x - 3. At x = 1, dy/dx = 6 + 10 - 3 = 13.