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The problem defines a function $f(x, y)$ as follows: $f(x, y) = \sqrt{x^2 - y^2}$.

AlgebraFunctionsSquare RootsVariables
2025/4/25

1. Problem Description

The problem defines a function f(x,y)f(x, y) as follows:
f(x,y)=x2−y2f(x, y) = \sqrt{x^2 - y^2}.

2. Solution Steps

There are no specific steps to solve in this problem, it only presents the function f(x,y)=x2−y2f(x, y) = \sqrt{x^2 - y^2}. No specific question needs to be answered.

3. Final Answer

f(x,y)=x2−y2f(x, y) = \sqrt{x^2 - y^2}

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