engineering mathematics MCQ #737

If y = x⁴ - 4x³ + 6x², then dy/dx at x = 2 is ?

engineering mathematics MCQ #737

  1. Question 1

    Q1. If y = x⁴ - 4x³ + 6x², then dy/dx at x = 2 is ?

    • A) 8
    • B) 16 - 24 + 12
    • C) 4x³ - 12x² + 12x
    • D) 0

    Answer: 16 - 24 + 12

    Explanation: First, find dy/dx = 4x³ - 12x² + 12x. Then, evaluate at x = 2: 4(2)³ - 12(2)² + 12(2) = 32 - 48 + 24 = 8.