Concept explainers
Whether the expression represents a positive number, a negative number or zero and the expression in simplified form.
Answer to Problem 7OE
The expression represents a zero.
Explanation of Solution
Given:
The given expression is:
Calculation:
The quotient of two positive numbers and the quotient of two negative numbers is always positive. Whereas, the quotient of one positive and one negative number is always negative.
Whenever, there is a zero in the numerator of the expression, it evaluates to zero.
Hence, the given expression represents a zero.
The expression in a simplified form will be:
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