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Use the Linearization L(x, Y) of the Function f(x,y)=9−x2−2y2f ( x , y ) = \sqrt { 9 - x ^ { 2 } - 2 y ^ { 2 } }

Question 56

Short Answer

Use the linearization L(x, y) of the function. f(x,y)=9−x2−2y2f ( x , y ) = \sqrt { 9 - x ^ { 2 } - 2 y ^ { 2 } } at (−1,1)( - 1,1 ) to approximate f(−0.93,0.75)f ( - 0.93,0.75 ) .

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