Question
Simplify each expression, using only positive exponents in the answer.$\frac{x^{-2}+y^{-2}}{x^{-1}+y^{-1}}$
Step 1
This gives us: \[\frac{\frac{1}{x^2}+\frac{1}{y^2}}{\frac{1}{x}+\frac{1}{y}}\] Show more…
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