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Posted by on Monday, March 15, 2010 at 8:16pm.

Simplify the complex fraction
m^-1+z^-1/m^-1-z^-1

  • algebra - , Monday, March 15, 2010 at 9:15pm

    Negative exponents are better thought of as fractions: 1/m + 1/z / 1/m-1/z. The only difference between the numerator and the denominator is an operation sign. Do you know what to do from here?

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