If a = \frac{\sqrt2 + 1 }{\sqrt2 – 1} and b=\frac{ \sqrt2 –1}{\sqrt 2+ 1} , then value of \frac{ (a- b)^2}{ (a+ b) ^2}is

SSC CPO SI and ASI Model Paper 3

Question : 120 of 200

Marks: +1, -0

If a

= {√2 + 1 }/{√2 – 1} and b={ √2 –1}/{√ 2+ 1} ,

then value of

{ (a- b)^2}/{ (a+ b) ^2}

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