| Let ƒ(x, y) = 4x² + 7xy + 4y² + 7x − 7y + 4. Find the linearization L(x, y) of f(x, y) at the point (-1,2). L(x, y) = Find an upper bound for the magnitude |E| of the error in the approximation f(x, y) ≈ L(x, y) over the rectangle |x + 1| ≤ 0.2, ly - 2| ≤ 0.2. |E| ≤ 899 =

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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Let ƒ(x, y) = 4x² + 7xy + 4y² + 7x - 7y + 4.
Find the linearization L(x, y) of f(x, y) at the point (-1,2).
L(x, y) =
Find an upper bound for the magnitude |E| of the error in the approximation f(x, y) ≈ L(x, y) over the rectangle
|x + 1| ≤ 0.2, │y − 2| ≤ 0.2.
-
|E| ≤
JU
JUU
Transcribed Image Text:Let ƒ(x, y) = 4x² + 7xy + 4y² + 7x - 7y + 4. Find the linearization L(x, y) of f(x, y) at the point (-1,2). L(x, y) = Find an upper bound for the magnitude |E| of the error in the approximation f(x, y) ≈ L(x, y) over the rectangle |x + 1| ≤ 0.2, │y − 2| ≤ 0.2. - |E| ≤ JU JUU
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