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For the given function and values, find Af and df. f(x, y) = x2 + xy + y3, x = 9, Ax = dx = 0.8, y = 2, Ay = dy = -0.6 (a) AF (b) df

For the given function and values, find Af and df. f(x, y) = x2 + xy + y3, x = 9, Ax = dx = 0.8, y = 2, Ay = dy = -0.6 (a) AF (b) df

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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For the given function and values, find Af and df. f(x, y) = x2 + xy + y, x = 9, Ax = dx = 0.8, y = 2, Ay = dy = -0.6 (a) AF (Б) df
Transcribed Image Text:For the given function and values, find Af and df. f(x, y) = x2 + xy + y, x = 9, Ax = dx = 0.8, y = 2, Ay = dy = -0.6 (a) AF (Б) df
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