4) Consider the function 9 defined by g(x, y) = cas (7X Jj ) + logg(x-y) does 9 ha ve the maximum (c) in what dire ction directional derivative at (4,4) - (4,1)? What is the maximum directional derivative ?

Advanced Engineering Mathematics
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ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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4.) Consider the function g defined by
g(x, y) = cas (7X Jj ) +
logg(x-y)
(c) in what dire ction
does 9 have the maximum
directional aderivative at (x,y) - (4,1)?
What is the maximum directional derivative ?
Transcribed Image Text:4.) Consider the function g defined by g(x, y) = cas (7X Jj ) + logg(x-y) (c) in what dire ction does 9 have the maximum directional aderivative at (x,y) - (4,1)? What is the maximum directional derivative ?
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