Multiple Choice Questions on Find the value of radic 2x minus 5 2 2 radic x minus 1 2 if 1 lt x lt 2 ........ for SSC CHSL Preparation

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Multiple Choice Questions

Find the value of radic 2x minus 5 2 2 radic x minus 1 2 if 1 lt x lt 2 ........

Quantitative Aptitude (CHSL) Algebra
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    Find the value of √(2x−5)2+2√(x−1)2, if 1 < x < 2 

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    Explanation:

    √(2x−5)2+2√(x−1)2
    =√(5−2x)2+2√(x−1)2−−−−−−−(as1 = (5 - 2x) + 2(x - 1)
    = 5 - 2x + 2x - 2
    = 3
    ∴√(2x−5)2+2√(x−1)2=3

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