Question

The domain of the function f(x) = sin^-1 \(\Big(\frac{|x|+5}{x^2+1}\Big)\) is (– ∞, –a] ∪[a, ∞). Then a is equal to :

Answer 1

Answer is (1)

 f(x) = sin \(\Big(\frac{|x|+5}{x^2+1}\Big)\)

For domain :