1.

If f(x)=cos^(-1)(x-x^(2))+sqrt((1-(1)/(|x|)))+(1)/([x^(2)-1]) then domain of f(x) ( where [.] G.I.F) is

Answer»

`( SQRT(2), (1+sqrt(5))/(2)]`
`(-sqrt(2), (1-sqrt(5))/(2))`
`(-sqrt(2), (1+sqrt(5))/(2)]`
`[ sqrt(7), (sqrt(7))/(2)]`

ANSWER :A


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