# Simplify 1/(x^-2+y^-2)

Simplify the denominator.
Rewrite the expression using the negative exponent rule .
Rewrite the expression using the negative exponent rule .
To write as a fraction with a common denominator, multiply by .
To write as a fraction with a common denominator, multiply by .
Write each expression with a common denominator of , by multiplying each by an appropriate factor of .
Multiply and .
Multiply and .
Reorder the factors of .
Combine the numerators over the common denominator.
Multiply the numerator by the reciprocal of the denominator.
Multiply by .
Simplify 1/(x^-2+y^-2)

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