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26 February, 10:11

How can I determine the value of x that will make the expression a real

√x-1

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  1. 26 February, 13:11
    0
    The content of the square root must be greater than or equal to zero. Determine the conditions on x that make this true.

    As written, you require

    ... x ≥ 0

    If you intend

    ... √ (x - 1) ∈ ℝ

    Then

    ... x - 1 ≥ 0

    Solve this inequality by adding 1.

    ... x ≥ 1
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