engineering mathematics MCQ #626

If y = x³ + 2x², then dy/dx = ?

engineering mathematics MCQ #626

  1. Question 1

    Q1. If y = x³ + 2x², then dy/dx = ?

    • A) 3x² + 4x
    • B) x² + 2x
    • C) 3x + 4
    • D) x + 2

    Answer: 3x² + 4x

    Explanation: Using power rule, dy/dx = d(x³)/dx + d(2x²)/dx = 3x² + 4x.