Select the field of application of the following fraction:
Select the field of application of the following fraction:
To determine the domain of the expression , we need to ensure the expression is defined by avoiding division by zero.
The crucial part of this fraction is the denominator, . A fraction is undefined when its denominator equals zero. Therefore, we set the denominator equal to zero and solve for :
This means the expression is undefined when . Hence, the domain of this expression is all real numbers except zero.
So, the domain of the expression is all such that .
The correct multiple-choice answer is: