Question

Find the domain of the defination f(x)=√a^2-x^2,a is greater than 0​

Answer 1

Answer:

Domain of given function is x

2

−4>0

(x−2)(x+2)>0

Here both x+2 and x−2 should be greater than zero or both should be less than zero.

⇒x>2,x>−2 or x<2,x<−2

⇒x>2 and x<−2