8) Given z =f (x.y) =1- (x² +4y2) ,Find : a)The vector function, 10 normal to the surface of f at (x,y).
8) Given z =f (x.y) =1- (x² +4y2) ,Find : a)The vector function, 10 normal to the surface of f at (x,y).
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
Related questions
Question

Transcribed Image Text:1
x² + 4y2)
10
8) Given
z =f (x,y) =1-
„Find : a)The vector function,
normal to the surface of f at (x,y).

Transcribed Image Text:d) Find the equation for the plane tangent to f at (1,1,1/2) in the form
Ax + By + Cz + D = 0 where A,B,C and D are integers.
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