Question: Find the linear approximation of the function f(x, y) = 20x x 2 7y 2 at (2, 1) and use it to approximate f(1.95,

Find the linear approximation of the function f(x, y) = √20x – x2 –7y2 at (2, 1) and use it to approximate f(1.95, 1.08).

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