Multiple Choice Questions on a 1 a 2 4 then a 2 2 1 a 2 2 value is ........ for CDS Exam Preparation

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Multiple Choice Questions

a 1 a 2 4 then a 2 2 1 a 2 2 value is ........

Quantitative Aptitude (CDS) Simplification
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    a + 1/a-2 =4 ,then (a-2)^2 + 1/(a-2)^2 value is?

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    -2

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    Explanation:

     a+ 1/a-2 =4
     a-2 +1/a-2 =2
     taking square of both side
     (a-2)^2 + 1/(a-2)^2 +2 =4
     (a-2)^2 + 1/(a-2)^2  =2

    By: bhavesh kumar singh
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