Find the directional derivative of the scalar field = x³y + 4xz at the point (1,-1, 2) along the direction vector (2,-1,-2):

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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Find the directional derivative of the scalar field = x³y + 4xz at
the point (1,-1, 2) along the direction vector (2, -1, −2):
Transcribed Image Text:Find the directional derivative of the scalar field = x³y + 4xz at the point (1,-1, 2) along the direction vector (2, -1, −2):
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