If \frac{x}{y} + \frac{y}{x} = 2, then value of {x^{2}\: + \:y^{2}}/{xy\: + \:y^{2}} is equal to

UPPSC 2018 General Studies-II Solved Paper

Question : 60 of 100

Marks: +1, -0

\;{x}/{y} + \;{y}/{x} = 2

, then value of

\;{x^{2}\:\;+\;\:y^{2}}/{xy\:\;+\;\:y^{2}}

is equal to

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