4) Find f, fy and f, for the following i) f(x,y,z) = sin-xyz ii) f(x, y,z) = y z In xy iii) f(x,y,z) = e-xyz

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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4) Find f, fy and f, for the following
i) f(x,y,z) = sin 1xyz
ii) f(x, y,z) = y z In xy
iii) f(x,y,z) = e-xyz
iv) f(x,y,z) = e-²+y²+z*)
1
v) f(x,y,z) =-
Vx²+y² + z²
vi) f(x,y,z) = tanh(x + 2y + 3z)
vii) f(x,y,z) = sinh(xy – z²)
Transcribed Image Text:4) Find f, fy and f, for the following i) f(x,y,z) = sin 1xyz ii) f(x, y,z) = y z In xy iii) f(x,y,z) = e-xyz iv) f(x,y,z) = e-²+y²+z*) 1 v) f(x,y,z) =- Vx²+y² + z² vi) f(x,y,z) = tanh(x + 2y + 3z) vii) f(x,y,z) = sinh(xy – z²)
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