Multiple Choice Questions on If P 7 4 radic 3 and PQ 1 then what is the value of 1 P2 1 Q2 ........ for SSC CGL Exam Preparation

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Multiple Choice Questions

If P 7 4 radic 3 and PQ 1 then what is the value of 1 P2 1 Q2 ........

Quantitative Aptitude (CGL) Algebra
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    If P = 7 + 4√3 and PQ = 1, then what is the value of (1/P2) + (1/Q2)?

    148

    Incorrect Answer

    189

    Incorrect Answer

    194

    Correct Answer

    204

    Incorrect Answer
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    Explanation:

    Q=1/p
    then rationalize it,you will get a.
    write (p^2+q^2)/(pq)^2 
    ((7 + 4√3)^2 + 1/(7 + 4√3)^2)/1^2=194

    By: MIRZA SADDAM HUSSAIN
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