engineering mathematics MCQ #4292

The equation x² + x + 1 = 0 has?

engineering mathematics MCQ #4292

  1. Question 1

    Q1. The equation x² + x + 1 = 0 has?

    • A) Real and distinct roots
    • B) Real and equal roots
    • C) No real roots
    • D) One real root

    Answer: No real roots

    Explanation: The discriminant b² - 4ac = 1² - 4*1*1 = -3 < 0, so the equation has no real roots.