engineering mathematics MCQ #848

If y = x³ - 2x² + x - 1, then dy/dx at x = 1 is ?

engineering mathematics MCQ #848

  1. Question 1

    Q1. If y = x³ - 2x² + x - 1, then dy/dx at x = 1 is ?

    • A) 0
    • B) 1
    • C) 2
    • D) 3(1)² - 4(1) + 1 = 0

    Answer: 2

    Explanation: First, find dy/dx = 3x² - 4x + 1, then evaluate at x = 1 to get 3 - 4 + 1 = 0.