Class 12 Relations And Functions · Mcq Single Correct1 Markstypes_of_functions
Class 12 Maths · Relations And Functions · Mcq Single Correct #80
The natural real domain of the expression \(f(x)=\sqrt{x^2-4}\) is
✅ Step-by-Step Solution
Final Answer: Option (C): \((-\infty,-2]\cup[2,\infty)\)
- A real square root requires x^2-4>=0, equivalently x<=-2 or x>=2.
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