Answer :

Given:


To find: the domain of the given function


Explanation: So the domain of a function consists of all the first elements of all the ordered pairs, i.e., x, so we have to find the values of x to get the required domain


let,



Now for real value


a2-x2≥0


x2≥ a2


x≥±a


Or –a ≤ x ≤ a


Hence the domain of given function is = [-a, a]


So, the correct answer is option (B)

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