What is the domain of the function is
Explanation of correct answer :
Finding domain of the function :
Given,
As we know, the term under square root must be non- negative while it is in denominator , So it must be positive and not equal to zero.
cases are possible :
First case :
This condition is not possible.
Second case:
So, for , will be defined as
should be negative,
so,
Hence, the domain of the function is .
Thus, the correct answer is option(B).