Perform the Indicated Operation and Write Your Answer with Positive $$\frac { ( m n ) ^ { - 1 } } { m ^ { - 2 } + n ^ { - 2 } }$$

question 570

Multiple Choice

Perform the indicated operation and write your answer with positive integer exponents.
- $$\frac { ( m n ) ^ { - 1 } } { m ^ { - 2 } + n ^ { - 2 } }$$

• A) \(\frac { m ^ { 2 } + n ^ { 2 } } { m n }\)
• B) \(\frac { n } { n ^ { 2 } - m ^ { 2 } }\)
• C) \(\frac { \mathrm { mn } } { \mathrm { n } + \mathrm { m } }\)
• D) \(\frac { \mathrm { mn } } { \mathrm { n } ^ { 2 } + \mathrm { m } ^ { 2 } }\)

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