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

question 343

Multiple Choice

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

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

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