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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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