1.

Consider the function y = f(x) satisfying the condition f(x+ 1/x)=x^(2)+ (1)/(x^(2))( != 0). Then the

Answer»

domain of `f(X)` is R
domain of f(x) is R-(-2, 2)
RANGE of `f(x) ` is `[-2, oo)`
range of `f(x)` is `[2, oo)`

Answer :B::D


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