SOLUTION: Simplfy by removing non-positive exponents: x to the -1 plus y to the -1 divided by x squared minus y squared.

Question 167820: Simplfy by removing non-positive exponents: x to the -1 plus y to the -1 divided by x squared minus y squared.
Found 2 solutions by checkley77, nerdybill:
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
(X^-1+Y^-1)/(X^2-Y^2)
(X^-1+Y^-1)/(X+Y)(X-Y)
1/(X+Y)(X+Y)(X-Y)

Answer by nerdybill(7384) (Show Source): You can put this solution on YOUR website!
x to the -1 plus y to the -1 divided by x squared minus y squared.
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.

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Multiplying numerator and denominator by xy:

Factoring the denominator:

Canceling like-terms:

Or,

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