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14 April, 07:27

If $m$ is a real number and $x^2+mx+4$ has two distinct real roots, then what are the possible values of $m$? Express your answer in interval notation.

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  1. 14 April, 07:43
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    m 4

    Step-by-step explanation:

    B² - 4ac > 0

    m² - 4 (1) (4) > 0

    Roots are 4, - 4

    m 4
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