engineering mathematics MCQ #4331

For the equation 2x² + kx + 3 = 0, if roots are real and equal, then k = ?

engineering mathematics MCQ #4331

  1. Question 1

    Q1. For the equation 2x² + kx + 3 = 0, if roots are real and equal, then k = ?

    • A) ±2√3
    • B) ±2√6
    • C) ±√6
    • D) ±4√3

    Answer: ±2√6

    Explanation: Using discriminant b² - 4ac = 0 for equal roots, where b = k, a = 2, c = 3.