Multiple Choice Questions on Given equation x 1 2 le 4 define the range of the roots of the equation ........ for NDA Exam Preparation

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Multiple Choice Questions

Given equation x 1 2 le 4 define the range of the roots of the equation ........

Mathematics (NDA) Quadratic Equations
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    Given equation(||x-1|+2|≤4) define the range of the roots of the equation?

    x?[-2,3]

    Incorrect Answer

    x?[-1,3]

    Correct Answer

    x?[-1,2]

    Incorrect Answer

    x?[-1,-3]

    Incorrect Answer
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    Explanation:

    ||x-1|+2|≤4

    -6≤|x-1|≤2

    |x-1|    ≤2

    -2≤x-1≤2

    -1≤x≤3

    x?[-1,3]

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