Find the linear approximation of the function at the given point. f(x, y) = 10x2-4y2 +8 at (5,6) L(x, y) = 100x - 48y-98 L(x, y) = 100x - 48y + 114 OL(x, y) = 20x - Sy + 114 L(x, y) = 20x-Sy-98

Q: Find the local extreme values of the function: f(x,y)=xy-x^2-y^2-3x-3y+12.

A: It is given that, fx,y=xy-x2-y2-3x-3y+12We have to find the local extreme values.

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