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If there are four distinct real numbers ...

If there are four distinct real numbers satisfying thẻ equation `|x^2-4 x-7|=n`, then number of integers in the range of `n` is

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Knowledge Check

  • The number of real roots of the equation |x|^(2)-3|x|+2=0 is

    A
    `1`
    B
    `2`
    C
    `3`
    D
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