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Frequently Asked Questions (FAQ)
What is the domain of f(x)=sqrt((\sqrt{x^2-3x-4))/(sqrt(21)-\sqrt{x^2-4)}} ?
- The domain of f(x)=sqrt((\sqrt{x^2-3x-4))/(sqrt(21)-\sqrt{x^2-4)}} is -5<x<=-2\lor 4<= x<5