Multiple Choice Questions on If the sum of a real number and its reciprocal is 26 5 then how many such numbers are possible ........ for CDS Exam Preparation

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Multiple Choice Questions

If the sum of a real number and its reciprocal is 26 5 then how many such numbers are possible ........

Quantitative Aptitude (CDS) Number System
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    If the sum of a real number and its reciprocal is 26/5, then how many such numbers are possible?

    None

    Incorrect Answer

    One

    Incorrect Answer

    Two

    Correct Answer

    Four

    Incorrect Answer
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    Explanation:

    x+\frac{1}{x}=\frac{x^{2} + 1}{x}=\frac{26}{5}
    5x2 - 26x +5 = 0
    The quadratic equation will have two different solutions.
    x= 5 , 1/5

    By: Munesh Kumari
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