engineering mathematics MCQ #748

If y = x³sin(x), then dy/dx = ?

engineering mathematics MCQ #748

  1. Question 1

    Q1. If y = x³sin(x), then dy/dx = ?

    • A) 3x²sin(x) + x³cos(x)
    • B) 3x²sin(x) - x³cos(x)
    • C) x³sin(x) + 3x²cos(x)
    • D) x²sin(x) + x³cos(x)

    Answer: 3x²sin(x) + x³cos(x)

    Explanation: Applying the product rule: (uv)' = u'v + uv'.