1.

Consider the function f(x) satisfying the identityf(x) + f((x-1)/( x))= 1+ x AA x in R - {0,1}, and g(x)=2f ( x)- x+1 The domain of y = sqrt( g(x) )is

Answer»

`(-oo, (1-sqrt(5))/(2)]UU[1, (1+sqrt(5))/(2)]`
`(-oo, (1-sqrt(5))/(2)]uu(0, 1) uu[(1+sqrt(5))/(2), oo)`
`[(1-sqrt(5))/(2), 0] uu [(1+sqrt(5))/(2), 1]`
`[(1-sqrt(5))/(2), (1+sqrt(5))/(2)]`

ANSWER :B


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