engineering mathematics MCQ #811

If y = (2x + 1) / (x + 1), then dy/dx at x = 0 = ?

engineering mathematics MCQ #811

  1. Question 1

    Q1. If y = (2x + 1) / (x + 1), then dy/dx at x = 0 = ?

    • A) 1
    • B) 1 / 2
    • C) 1 / (0 + 1)²
    • D) 0

    Answer: 1 / 2

    Explanation: Apply the quotient rule: (u/v)' = (u'v - uv')/v², where u = 2x + 1 and v = x + 1, then simplify and evaluate at x = 0.