Maths-
General
Easy
Question
Find the product and the domain ?
Hint:
The expansion of the identity,. We have to state the domain of a rational expression while simplifying them because we must exclude zeros of a denominator as dividing with zero is not defined.
We are asked to simplify the expression and give its domain.
The correct answer is: the domain of the expression set of real values minus the additive inverse of x.
Step 1 of 2:
Simplify the expression and cancel out the common factors;
Thus, the simplified expression is
Step 2 of 2:
The domain of a rational expression should exclude the values for which the denominator attains a zero values. So, when
Here, both x and y are variables. To avoid getting a zero in the denominator y should not take the negative value of x. That is, it should not be the additive inverse of x.
So, the domain of the expression set of real values minus the additive inverse of x.
Additive inverse of a value x is the value y for which x + y = 0.
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