) 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

Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter4: Calculating The Derivative
Section4.4: Derivatives Of Exponential Functions
Problem 23E: Find derivatives of the functions defined as follows. fz=2z+e-z22
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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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