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Multiple Choice Questions

x 1 x 2 then find the value of x10 1 x 10 ........

Quantitative Aptitude (CHSL) Algebra
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    x+(1/x) = 2, then find the value of x10 + (-1/x)10

    0

    Incorrect Answer

    1

    Incorrect Answer

    2

    Correct Answer

    3

    Incorrect Answer
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    Explanation:

    X2+1 = 2x
    X2– 2x+1 = 0
    X= 1
    x10 + (-1/x)10
    = 1+1 = 2
    Hence, option 3 is the correct answer.

    By: Amit Kumar
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