Perform the Indicated Operation and Write Your Answer with Positive $$\frac { m ^ { - 1 } + n ^ { - 1 } } { ( m n ) ^ { - 1 } }$$

question 327

Multiple Choice

Perform the indicated operation and write your answer with positive integer exponents.
- $$\frac { m ^ { - 1 } + n ^ { - 1 } } { ( m n ) ^ { - 1 } }$$

• A) \(- n + m\)
• B) \(n - m\)
• C) \(- n - m\)
• D) \(n + m\)

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