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) Find the directional derivative of the function f(x, y) = sin²(xy) at the point P (2,7) -2i+j √5 in the direction of the unit vector i 1 4

) Find the directional derivative of the function f(x, y) = sin²(xy) at the point P (2,7) -2i+j √5 in the direction of the unit vector i 1 4

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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4. ) Find the directional derivative of the function f(x, y) = sin²(xy) at the point P (2,7) in the direction of the unit vector ū = −²¹+] √5
Transcribed Image Text:4. ) Find the directional derivative of the function f(x, y) = sin²(xy) at the point P (2,7) in the direction of the unit vector ū = −²¹+] √5
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