Find The Value ? If

q-123

  1. 2
  2. √2 + 1
  3. √2 – 1
  4. √2
Monis Rasool Professor Asked on 22nd August 2015 in Maths.
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  • 1 Answer(s)

    Answer: (4) √2

    Explanation:-
    x = 1/ (√2 + 1)
    = 1 (√2 – 1)/(√2 + 1) (√2 – 1)
    = (√2 – 1)/ 2 – 1
    = √2 – 1
    Then, x + 1 = √2 – 1 + 1
    = √2

    Hence, the answer is (4) √2.

    Anurag Mishra Professor Answered on 22nd August 2015.
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