Q. 2 A4.0( 4 Votes )

Find the domain of each of the following real valued functions of real variable:

Answer :

We know the square of a real number is never negative.

Clearly, f(x) takes real values only when x – 2 ≥ 0

x ≥ 2

x [2, ∞)

Thus, domain of f = [2, ∞)

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