Solve the Equation:

If x +  1/x =2, then the value of x12 _   1/ x12 is

  1. 2
  2.  0
  3.  -4
  4.  4
Monis Rasool Professor Asked on 28th August 2015 in Maths.
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  • 1 Answer(s)

    Answer:  (2) 0

    Explanation:-
    x + 1/x = 2
    Put x = 1 ,
    Then, x + 1/x
    = 1 + 1/1
    = 1 + 1 = 2

    Again put x = 1 in  x12 _   1/ x12
    Then, 1^12 – 1/1^12
    = 1 – 1/1
    = 1 – 1
    = 0

    Hence, the answer is (2) 0.

    Anurag Mishra Professor Answered on 1st September 2015.
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