Multiple Choice Questions on p 1 p 7 p gt 0 then the value of p 1 p is ........ for Haryana Patwari Exam Preparation

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Multiple Choice Questions

p 1 p 7 p gt 0 then the value of p 1 p is ........

Quantitative Aptitude (Hr Patwari ) Algebra
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    p =1/(p-7) (p>0) then the value of (p+ 1/p) is

    √55

    Incorrect Answer

    √53

    Correct Answer

    √51

    Incorrect Answer

    √50

    Incorrect Answer
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    Explanation:

    p= 1/(p-7)
    p2-7p-1=0
    p-1/p=7
    square both sides
    p2+1/p2-2=49
    (p+1/p)2=53
    (p+1/p)=√53

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