Roots of quadratic equation are equal and real the equation is 2 x square + kx + 3 find the k

Question

Roots of quadratic equation are equal and real the equation is 2 x square + kx + 3 find the k

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Autumn 1 month 2021-09-16T15:16:05+00:00 1 Answer 0 views 0

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    2021-09-16T15:17:12+00:00

    Answer:

    k = + 2√6  or k = – 2√6

    Step-by-step explanation:

    The given equation is 2x² + kx + 3 = 0

    Here a = 2, b = k and c = 3

    For equal roots, D = 0

    So,

    b² – 4ac = 0

    Therefore,

    k² – 24 = 0

    k = √24

    k = + 2√6  or k = – 2√6

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