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      Question

      The quadratic equation 2x² − kx + 3 = 0 has equal

      roots. Find k.
      A ±3√8 Correct Answer Incorrect Answer
      B ±3√2 Correct Answer Incorrect Answer
      C ±2√6 Correct Answer Incorrect Answer
      D ±4√7 Correct Answer Incorrect Answer

      Solution

      ATQ,

      For equal roots, D = 0

      → k² − 4(2)(3) = 0

      → k² = 24

      → k = ±2√6

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